Tuesday, November 26, 2019

Moving and Handling Essays

Moving and Handling Essays Moving and Handling Essay Moving and Handling Essay The anatomy which is the physical construction of the organic structure and the physiology which is the normal maps of the organic structure assist us to travel our limbs. Muscles work like departers and this allow the castanetss at a joint to work like flexible joints. When traveling person it is of import to retrieve that the musculuss can merely travel the joint every bit far as the bone will let them. When traveling an person you must take into history if they have any conditions that get particular traveling techniques. Here are a few illustrations ; Persons with Parkinson’s may hold limb rigidness which can impact their ability of motion and cause restrictions. When traveling the single into different places you must do certain to coerce the stiff limbs as this can do farther hurting and uncomfortableness. Persons that have had a shot frequently have long-run and lay waste toing failing down one side of their organic structure. When traveling that single you must be cognizant of the extent of the shot and on which side of the organic structure has been effected. 1. 2 Describe the impact of specific conditions on the right motion and placement of an person. If you have person who has had a shot this may do them to free the usage of their limbs which mean that it is of import to retrieve that you dress the bad side foremost and discase it last. This is so you are non drawing their musculuss in the way they won’t go. If an person has a break. the motion must be soft and careful. and the right process must be followed. so as to cut down any complications to the break. If an person is bed-bound. the right hoist and sling must be used. When staff adhere to the appropriate moving techniques. it will cut down the hazards of back hurt 2. 1 Describe how statute law and agreed ways of working affect working patterns related to traveling and positioning persons Every clip attention workers move or support an person they are executing manual handling on that person. Harmonizing to the Health and Safety Executive ( HSE ) 50 % of all reported accidents are from the Health and Social sector and in peculiar with traveling and managing. To cut down the sum of accidents and hurt. there is statute law in topographic point to protect everybody. Here are a few illustrations of statute laws ; L. O. L. E. R. Manual Handling Operations Regulations 1992. Health and Safety at Work Act 1974. These statute laws are in topographic point to do certain it is a legal demand for employers to do certain the wellness. safety and public assistance of their employees is maintained and for employees to hold a responsibility of attention for themselves and others. There are several cardinal pieces of statute law that relate to moving and positioning’ which need to be considered during your work environment. The Manual Handling Operations Regulations 1992 ( known as MHOR ) are designed specifically to extinguish or cut down a manual handling hazard to an acceptable degree. Raising Operationss and Lifting Equipment Regulations 1998 ( known as LOLER ) has specific demands associating to work equipment which is used for raising and take downing people or tonss. It requires an employer to guarantee that raising equipment is positioned or installed to forestall hazard of hurt and sufficiently strong. stable and suited for intent. Provision and Use of Work Equipment Regulations 1998 ( known as PUWER ) ensures that the equipment employers provide is suited for the purpose. safe for usage. merely used by people who have been trained to make so. and maintained in a safe status. The Workplace ( Health. Safety and Welfare ) Regulations 1992 ( known as WHSWR ) guarantee employers provide suited on the job conditions for their employees. hypertext transfer protocol: //www. cis-assessment. co. uk/docs/pdf/wb/St8_wkb. pdf Ask your supervisor or director about the wellness and safety policies and processs in your work topographic point. 2. Health and safety hazard appraisals 2. 1 Know why it is of import to measure wellness and safety hazards posed by the work scene or state of affairs or by peculiar activities The intent of measuring hazard is to guarantee the wellness. safety. public assistance and security of staff. persons and the wider community. The jurisprudence requires a hazard appraisal to be carried out about the environment in which you provide back up for persons every bit good as for the undertakings you undertake. These enable you to cut down or take any hazards. You will necessitate to do certain you know where these hazard appraisals are kept for each person. Hazards that are identified will inform the manner in which you work with persons. Risk appraisal is about doing determinations. which are logical. realistic and legal. Hazards can alter depending on the fortunes over brief or long periods of clip. hence risk appraisal and hazard direction will be capable to frequent reappraisal. The Risk Assessment and Management Plan should be within the attention plans for the persons you are back uping. Ensure you read this and if any alterations need to be made consult with the in dividual responsible for doing those alterations. The undermentioned counsel is taken from the HSE cusp called Five Stairss to Risk Assessment . Step 1 Identify the jeopardies Measure 2 De

Saturday, November 23, 2019

Developing Students Creativity and Self-Expression through Crayons

Developing Students Creativity and Self-Expression through Crayons Crayons are brilliant, versatile, and economical coloring instruments that most school-age children are familiar with. Art sessions in grade school, for example, intends to nourish creativity and self-expression in children by introducing art tools and materials such as a paintbrush, scissors, paint, clay, crayons, colored papers, and others. Creative Possibilities with Crayons Crayons are used by middle-school students to draw colored shapes and in the process develop some creative skills they can use to express themselves. Students are humans with a natural desire to use their hands and materials as vehicles for artistic expression thus often welcome art creation opportunities. Activities such as â€Å"Crayon Melting† where students create a self-initiated art design using heated wax crayons and paper is a common classroom-based activity. Art classes expand student experiences through  collaboration, two-way communication, and appreciation of each student’s talent. It encourages the growth of visual awareness and skills to develop aesthetic understanding, coordination, concentration, and self-esteem. REMEMBERING OUR FIRST STAGE OF EDUCATION Similar to pencil, chalk, paint, and others, crayons provide opportunities for students to express and communicate their interpretation of the world around them. For instance, they can observe a plant, a tree, or a piece of fruit and draw an image according to their personal representation of that object.  Painting objects with crayons enable children to learn to mix colors, take responsibility for the art tool and image and develop their understanding of different media. Activities in art classes help children learn to use their imagination and express their ideas through art, sharpened their visual expression skills, create meaning by linking text and image and develop their presentation skills. Making Good Use of Quality Crayons Poor quality crayons often result in tears and frustration among young school children. This is because the resulting color of poor quality crayons is often not exact and cannot be combined to form new colors. Wax from a good quality crayons cannot be scratch off from the paper, they intermixed well with the pigment and produced with equally combined pigment and wax. Good quality crayon boxes with few colors are sufficient enough to produce colorful work of art as you can mix them to form new colors. For instance, putting a layer of yellow over a blue area will result to vivid green. Thick crayons are preferred over the thin ones as they do not break easily. Similarly, using only a few pieces of crayons encourage experimentation, creativity, and application of different crayon techniques. For example, crayon boxes with few color encourage mixing of colors to produce desired color, use of both pointed and broad crayon side, and greater use of students’ imagination. Crayons are not limited to drawing on paper as they can be used to draw images in many types of surfaces such as cardboards, paper gift boxes, food trays, sandpaper, and others with interest effect. †Crayon rubbing†, a technique to pick up the texture of a surface on paper by rubbing it with the side of a peeled crayon, is an enjoyable art class activity where students experiment and produce artworks from walls, leaves, bricks, and other surfaces. Another is â€Å"Crayon resist†, a technique that gives the feeling of a night picture by drawing a picture on paper with crayons, pressing hard and painting the surrounding area with dark-colored tempera paint diluted in water.

Thursday, November 21, 2019

Week7 Assignment Example | Topics and Well Written Essays - 250 words

Week7 - Assignment Example The package, which is a small white box, holds the plastic container at an upright and tight position, preventing it from spilling or crushing due to sudden impact that can occur mostly when the products are being transported. The package represents a beehive and the ridges embossed on it represent planks of wood that are joined together by nails that appear as dots on the box. The box is embossed with the Klein Constantia symbol, which informs consumers that the Knees Bees is a product of Klein Constantia. The bee appearing on the diecut slit on the box invites the consumers to open the package, which also contain images of bees and small diecut bees at the base of the container, which denotes that inside the container is a factual honeycomb. The image of the bee on the outer surface of the packages, those inside the container and the small diecut bees at the base of the box easily informs the consumer that the packaged product has some association with bees. The consumer can easily interpret this to mean that the product inside the container is honey; this is because honey is the most common product that is produced by

Tuesday, November 19, 2019

What happens to a monopolys revenue when it sells more units of its Essay

What happens to a monopolys revenue when it sells more units of its product - Essay Example pure monopoly in this world of increased consumer awareness and consumer protection, but a close example can be utilities such as water, electricity etc. in a country or Microsoft in the personal computer market. Since there is only one supplier in the monopoly market, therefore the demand curve of the single supplier is the market demand curve. The monopolist will set his quantity at a level where the incremental revenue earned by selling one unit, i.e. marginal revenue is equal to the marginal cost, i.e. incremental cost of producing one extra unit. The price will be set equivalent to the average revenue at that quantity. Lack of competition allows the monopolist to earn an economic profit. This is shown graphically on the next page. When the number of units sold increases the revenue increases; primarily because the supplier is the only one in the market and there is little option available to the consumers. However, as the price increases, the elasticity of demand for the product increases (becomes more elastic; as shown by the demand curve D) and the demand starts to decline more than proportionately to the change in price. If the decline in demand is more than the increase in price, then the seller’s revenue would decrease. Given the income distribution in a society, there is a limit to the number of units that can be sold at a high price and if the seller intends to sell more units, then he must lower the price of the

Sunday, November 17, 2019

E. Major Issues and Concerns Essay Example for Free

E. Major Issues and Concerns Essay Our world is richer than ever before, but it is also marked by enormous inequalities, both within and between countries. The average annual income of someone living in the world’s richest country, Luxembourg, is more than one hundred times larger than that of the average citizen of Sierra Leone, one of the world’s poorest. Such huge differences in living standards should be a matter of great concern, because they reflect serious inequalities in life opportunities. This calls for a robust policy response at both the national and international levels, so that all countries can achieve the Millennium Development Goals and other agreed development objectives (United Nations, Economic and Social Development Affairs, â€Å"2006† iii) . The process of globalization has not yet closed the income gap between poor and rich countries. On the contrary, the way in which world markets operate has been an important contributing factor to the rise in global income inequality. Richer countries, for instance, tend to have preferential access to capital markets, to attract more foreign direct investment, and to be more resilient than poorer countries in responding to shifts in global commodity markets. Efforts to reduce global inequality can promote growth and stability, and can help avert economic and social crises and even political instability. Part of the observed growth divergence is attributable to gaps in public investment in, and spending on, infrastructure and human development in these countries. Investments in infrastructure and human capital are necessary for growth. i) The need for improved infrastructure An adequate level of infrastructure is a necessary condition for the productivity of firms. It is difficult to imagine an economy without telephones, electricity or a road network. By its very nature, infrastructure is characterized by indivisibilities and countries will need to build up a threshold or minimum level of infrastructure (say, a minimum network of roads) to make a difference for economy-wide productivity growth. To reach that threshold, countries will need to sustain substantial public investment levels over prolonged periods of time. The failure to do so explains partly why Latin America and sub-Saharan Africa have fallen behind the East Asian countries that have sustained infrastructural investment. East Asian economies invested more in the quality and coverage of physical infrastructure. In sharp contrast, Latin American countries have witnessed a decline in infrastructural investment since the 1980s as a result of increased fiscal austerity. This has led to significant differences in the quality and availability of infrastructure. Since the 1960s, the road density in Latin America and sub-Saharan Africa has barely increased, while it has tripled in East Asia. Also, the availability of telephone lines in East Asia is twice as great as that in Latin America and 10 times greater than in sub-Saharan Africa. The empirical evidence indicates that lagging infrastructural development could account for as much as one third of the widening income differentials between East Asian and Latin American countries during the 1980s and 1990s. ii) Human development Some empirical studies suggest that developing countries could catch up with the developed world if only they attained increased levels of human development. The links between growth and human development are complex, however. There are large disparities in indicators of human well-being, such as life expectancy and educational attainment. However, the world has seen more convergence among countries in terms of improvements in health and education outcomes than in terms of improvements in per capita incomes. The evidence in this report indicates that countries with a successful economic growth performance all had relatively high levels of human development at the beginning of their sustained growth process and showed substantial improvements in education and health as average incomes improved. Conversely, however, not all countries with relatively higher levels of human development managed to achieve high long-term economic growth rates. Human development is a necessary but not a sufficient condition for sustained economic growth. Lifting other constraints on economic growth and structural change will be necessary to create opportunities for a better-educated population. The dynamic creation of decent and productive employment is the crucial link in this regard. Recently President Bush unveiled a broad proposal to boost US economic competitiveness by injecting more than 136 billion dollars into research and education over the next decade. The programme would promote the private-sector investment in innovation and strive to make US children better in mathematics and science. The initiative is aimed at strengthening US economic leadership in the face of growing competition from countries like China and India. The President said that â€Å"The American economy is pre-eminent — but we cannot afford to be complacent,† (CNN). In fact, no economy can afford to be complacent when it comes to supporting the fundamental cause of education and human development.

Thursday, November 14, 2019

Alcoholism and Drinking - Alcoholics Anonymous as an Important Literary

Alcoholics Anonymous as an Important Literary Work Alcoholics Anonymous is one of the great unrecognized literary works of the first half of the twentieth century.   It has been through three editions after its first printing in 1939 and at least fifty-three printings in over ninety countries (xxii).   The wide popularity and circulation of the book certainly affirms this claim.   An examination of the contents of the book will show that it also deserves this title.   It is a rich work because it conveys a basic human condition, though ugly, until that time not often spoken of in public.   If it simply did this and nothing more it would merely be a good book.   But it does more than speak to an ugly condition; it gives a blueprint for change.      The human condition which is spoken about in Alcoholics Anonymous is the dichotomy of the life of the alcoholic.   These alcoholics are not easy to categorize; they are not always a Dr Jekyll by day and Mr Hyde by night.   Bill, who explains his life story in the first chapter, explains how he studied economics, business and law to join speculators on Wall Street.   Up until this point, drinking had interfered in his life, but was not a continuous plague.   Yet, over the course of time he becomes an alcoholic for a variety of reasons, like many individuals described throughout the book.   The alcoholics described are not portrayed as unintelligent, unsuccessful or insignificant.   They are men who have high positions, who are by turns "brilliant, fast-thinking, imaginative and likeable" (139).   The conclusion of a prima facie inspection of these individuals would not include over indulgence of alcohol.   But under the alcoholic influence these attributes worthy of no te slowly atrophy and... ...the book is flexible enough to be implemented in other ways is the indication that it is a book of stature.        Ã‚  Ã‚  Ã‚  Ã‚   Finally, one cannot easily undermine the experience of those who have read the book and changed.   These are the ones who will agree most wholeheartedly with the assertion that Alcoholics Anonymous is a great unrecognized literary work.   Indeed, these individuals are the evidence of this assertion as well.  Ã‚      Bibliography    Alcoholics Anonymous conveys not a singular story, but stories - ones common to alcoholics.   Ã‚  Ã‚  Ã‚  Ã‚   The story common to alcoholics is one also shared by wives, family members, employers, and so forth.   Thus Alcoholics Anonymous is not just a book for alcoholics but also for those who come into contact with them.   The audience of    "matters medical, psychiatric, social, and religious" (19).     

Tuesday, November 12, 2019

Explication: the gift

This poem is written in free verse, separated into four stanzas each with a varying number of lines and syllables. There is no precise rhyming pattern, but there Is a pattern within the usage of words. The speaker uses bodily words such as palm, hands, face, and head at the ends of lines In the second stanza when describing, In the literal form, when the speaker Is talking about the experience he went through getting the metal sliver pulled from his palm.The speaker repeats those words when he Is describing performing the same process on his wife; remaining Just as calm ND tender as his father was with him. This poem follows a sequence of events, almost Like a timeline. This Is true for the literal reading as well as the metaphorical reading of the poem. The â€Å"gift† that Is passed down from the speakers father to him, and then utilized on his wife, Is a life lesson. At the age of seven, the speaker takes mental notes of his father and the actions that he made, and uses the m when he Is about 20 years older.This poem acts as the path the speaker had to take to get where he is today. The entire poem follows a route; gradually the speaker goes wrought life learning from his father. This has one exception: the third stanza. This stanza, directly in the middle of the poem, acts as a dividing line between the younger and older years of the speakers' life. It has 7 lines, (also the age of the speaker in the beginning) and it also doesn't really flow in the poem.The 2 stanzas prior talk about what happened to him when he was 7, and then the last line of the 3rd stanza and the last stanza talk about life when the speaker was approximately 20 years older. In my opinion this was a smart decision to have these sections divided cause it shows how there is a difference between learning something and using it to your advantage later on. The central metaphor for this poem is that the â€Å"gift† that the speakers' father passes down to him is a life lesson. Th e speaker learns this lesson at an early age and uses it throughout the rest of his life.The â€Å"metal splinter† is a problem that the speaker has faced once when he was a child and that his wife faced later on. The gift that his father passes onto him is the solution to that returning problem. His father teaches him the solution to this obviously important problem and cherishes it. When the speaker says, â€Å"l did what a child does/ when he's given something to keep,† it's clear that the speakers' father wanted his son to have and use this lesson as much as the speaker wanted to be seen as an Image of his father.Explication: the gift BY Nannette Explication #2 â€Å"The Gift† By Lie-Young Lee number of lines and syllables. There is no precise rhyming pattern, but there is a hands, face, and head at the ends of lines in the second stanza when describing, in he literal form, when the speaker is talking about the experience he went through he is describing per forming the same process on his wife; remaining Just as calm almost like a timeline.This is true for the literal reading as well as the metaphorical reading of the poem. The â€Å"gift† that is passed down from the speaker's father to him, and then utilized on his wife, is a life lesson. At the age of seven, the speaker takes mental notes of his father and the actions that he made, and uses them when he is and use this lesson as much as the speaker wanted to be seen as an image of his

Sunday, November 10, 2019

The HIV/AIDS Epidemic in the United States

This year, it was estimated that at least 500,000 people in the United States have already died of AIDS since the disease first surfaced in the 1980s. This figure was said to be the equivalent of the entire population of Las Vegas. In 2008, meanwhile, there were at least 1 million people in the US who are living with HIV/AIDS.What is dangerous is that about a fifth of them do not know they have the disease. Such ignorance worsens the HIV/AIDS epidemic in the US by greatly increasing the risk of onward transmission (AVERT n. pag.).Experts pointed out that despite these alarming statistics, the US government’s efforts towards HIV prevention and treatment remained unsuccessful. For one, stigma and discrimination towards HIV-positive individuals continue to persist.In addition, thousands of uninsured Americans still do not have access to necessary health services such as antiretroviral therapy. As a result, the country’s HIV/AIDS epidemic keeps on claiming more lives â€⠀œ approximately 56,000 Americans are infected with HIV every year (AVERT n. pag.).Contrary to stereotypes, HIV/AIDS affects all sectors of American society. The misconception that the disease affects only homosexuals and drug dependents stemmed from the fact that in the early years of the epidemic, majority of HIV-positive individuals in the US were homosexuals, intravenous drug users, hemophiliacs and Haitian immigrants.However, the demographics of people living with HIV/AIDS have changed over the succeeding years. At present, sectors including heterosexual whites, African-Americans and Hispanics are already vulnerable to the ailment (AVERT n. pag.).As of 2007, African-Americans constituted about 12% of the total population of the US. But an estimated 49% of them were diagnosed with HIV in the same year. Health experts consider this to be very ironic, given that several well-known African-Americans such as anchorman Max Robinson, tennis player Arthur Ashe and rapper Eazy-E died of AIDS in the 1980s and the 1990s.But neither are they surprised – denial of the existence of HIV/AIDS still persists among African-Americans. This forswearing stems from the fact that among African-Americans, openly talking about sensitive subjects like sexuality, premarital sex and drug use are still seen as taboo (AVERT n. pag.).Although there has been a decline in the overall number of AIDS-related deaths in the US at the start of the 21st century, AIDS-related deaths among Hispanics during this period remained relatively stable. Hispanics made up about 19% of the country’s total population in 2007, but around 15% of this figure is believed to be living with AIDS.Health experts attribute this situation to language barriers, social structures, migration patterns and lack of regular health care services (AVERT n. pag.). These factors expose Hispanics to high-risk behaviors that will ultimately lead to AIDS, such as unprotected sex and drug abuse.Despite the fact that no sector of American society is safe from HIV/AIDS, homosexuals remain to be one of the most vulnerable groups. In 2007, about two-thirds of male adolescents and adults who were diagnosed with HIV were homosexuals.This figure was said to be the result of unprotected sex among an increasing number of homosexuals. According to experts, most homosexuals are complacent about condom use because they believe in the misconception that antiretroviral drugs cure HIV/AIDS.This erroneous belief is not without fatal consequences – it was estimated in 2008 that HIV/AIDS diagnoses among homosexuals between 2001 and 2006 increased by 8.6% (AVERT n. pag.).Critics pointed out that the US government did not spend enough money on HIV/AIDS prevention measures. In October 2007, Congress reduced the country’s federal AIDS prevention budget for the 2008 fiscal year by $692 million (the reduction was initially announced as $3 million) – a move that would further keep cheap and or free antiretroviral drugs out of reach of indigent AIDS patients (AVERT n. pag.).Furthermore, the US refused to cooperate with the United Nations in the latter’s programs to curb the spread of HIV/AIDS. The US, for instance, blocked the UN’s anti-HIV/AIDS program of providing drug dependents access to clean needles.Officials at the US State Department justified this decision by arguing that this program might be misinterpreted as an endorsement of drug abuse by providing dependents with a place to inject drugs (GlobalHealthReporting.org n. pag.).Simply put, the US believes that the only way for drug dependents to avoid HIV/AIDS is to completely abstain from drugs. But studies show that a drug dependent will undergo relapse at least four times before becoming fully rehabilitated (DrugLibrary.org n. pag.).The UN’s point in launching the anti-HIV/AIDS program is that while drug dependents are ridding themselves of their habit, steps might as well be taken to ensure tha t they are healthy. After all, what is the point of getting rehabilitated from drug abuse when one ends up HIV-positive afterwards?How is the US currently dealing with the HIV/AIDS epidemic in its own turf? For one, not all schools in the country provide HIV/AIDS education. Those that do adopt a curriculum that falls into one of the following categories – abstinence-only, abstinence-plus or comprehensive.As a result, students are provided incomplete and even inaccurate information about HIV/AIDS. Even schools that provide the most comprehensive HIV/AIDS education reportedly fail to provide or gloss over important information (AVERT n. pag.).In the end, it is still the young people who pay the heaviest price for such errors. Their ignorance about HIV/AIDS renders them vulnerable to the disease when they start having sexual relations later in life as adults.It also doesn’t help that whatever information they will learn about HIV/AIDS are mostly in the form of myths †“ HIV could be transmitted from kissing, HIV is small enough to pass through the pores in latex condoms, only homosexuals could acquire the disease, etc. (AVERT n. pag.)In addition, the US government focused so much on encouraging as many people as possible to undergo HIV testing that they failed to inform people regarding guidelines surrounding the procedure. In busy clinics and hospitals, for instance, patients â€Å"may not be properly informed that they are being tested for HIV or that they have the right to refuse the test† (AVERT n. pag.).Formalities such as the need for written consent and lengthy pre-test prevention counseling also discourage people from taking HIV testing (AVERT n. pag.). Furthermore, health experts failed to recognize social and cultural factors behind a patient’s reluctance to undergo HIV testing.Ethnic minorities in the US must be educated about HIV/AIDS in such a manner that their religious and or cultural sensibilities are recognized â €“ before lecturing African-Americans about practicing safe sex, for instance, they must first be given the assurance that openly discussing sex is not shameful as their culture dictates.If the US wants to put a stop to its HIV/AIDS epidemic, it must first put an end to its inconsistent and shortsighted anti-HIV/AIDS measures. All schools must be required to provide comprehensive HIV/AIDS education to its students. â€Å"Comprehensive HIV/AIDS education,† however, means complete and objective information about the disease.Students are provided options on how to avoid HIV/AIDS, whether through abstinence or through condoms.Second, the US government must spend more money on health care services for AIDS patients and for HIV/AIDS research. Studies show that as long as they have consistent access to proper health care services, AIDS patients can still live long and healthy lives despite their illness.Lastly, public health and social workers must educate people about HIV/AIDS in such a manner that their personal, religious and or cultural concerns about the disease are addressed. People must be given the assurance that openly discussing HIV/AIDS, sexuality and other related topics does not make them promiscuous.Indeed, what makes HIV/AIDS a very sensitive subject is that discussing it touches other taboo subjects such as drug use and sex. But in the context of the disease, ignorance kills. People may hide in stereotypes, but HIV/AIDS does not. HIV/AIDS asks only one thing: â€Å"Are you human?†

Thursday, November 7, 2019

Electron Domain Definition and VSEPR Theory

Electron Domain Definition and VSEPR Theory In chemistry, the electron domain refers to the number of lone pairs or bond locations around a particular atom in a molecule. Electron domains may also be called electron groups.  Bond location is independent of whether the bond is a single, double, or triple bond. Key Takeaways: Electron Domain An atoms electron domain is the number of lone pairs or chemical bond locations that surround it. It represents the number of locations expected to contain electrons.By knowing the electron domain of each atom in a molecule, you can predict its geometry. This is because electrons distribute around an atom to minimize repulsion with one another.Electron repulsion is not the only factor that affects molecular geometry. Electrons are attracted to positively charged nuclei. The nuclei, in turn, repel each other. Valence Shell Electron Pair Repulsion Theory Imagine tying two balloons together at the ends. The balloons automatically repel one another. Add a third balloon, and the same thing happens so that the tied ends form an equilateral triangle. Add a fourth balloon, and the tied ends reorient themselves into a tetrahedral shape. The same phenomenon occurs with electrons. Electrons repel one another, so when they are placed near one another, they automatically organize themselves into a shape that minimizes repulsions among them. This phenomenon is described as VSEPR, or Valence Shell Electron Pair Repulsion. Electron domain is used in VSEPR theory to determine the molecular geometry of a molecule. The convention is to indicate the number of bonding electron pairs by the capital letter X, the number of lone electron pairs by the capital letter E, and the capital letter A for the central atom of the molecule (AXnEm). When predicting molecular geometry, keep in mind the electrons generally try to maximize distance from each other but they are influenced by other forces, such as the proximity and size of a positively-charged nucleus. For example, CO2 has two electron domains around the central carbon atom. Each double bond counts as one electron domain. Relating Electron Domains to Molecular Shape The number of electron domains indicates the number of places you can expect to find electrons around a central atom. This, in turn, relates to the expected geometry of a molecule. When the electron domain arrangement is used to describe around the central atom of a molecule, it may be called the molecules electron domain geometry. The arrangement of atoms in space is the molecular geometry. Examples of molecules, their electron domain geometry, and molecular geometry include: AX2 - The two-electron domain structure produces a linear molecule with electron groups 180 degrees apart. An example of a molecule with this geometry is CH2CCH2, which has two H2C-C bonds forming a 180-degree angle. Carbon dioxide (CO2) is another linear molecule, consisting of two O-C bonds that are 180 degrees apart.AX2E and AX2E2 - If there are two electron domains and one or two  lone electron pair, the molecule can have a bent geometry. Lone electron pairs make a major contribution to the shape of a molecule. If there is one lone pair, the result is a trigonal planar shape, while two lone pairs produce a tetrahedral shape.AX3 - The three electron domain system describes a trigonal planar geometry of a molecule where four atoms are arranged to form triangles with respect to each other. The angles add up to 360 degrees. An example of a molecule with this configuration is boron trifluoride (BF3), which has three F-B bonds, each forming 120-degree angles. Using Electron Domains to Find Molecular Geometry To predict the molecular geometry using the VSEPR model: Sketch the Lewis structure of the ion or molecule.Arrange the electron domains around the central atom to minimize repulsion.Count the total number of electron domains.Use the angular arrangement of the chemical bonds between the atoms to determine the molecular geometry. Keep in mind, multiple bonds (i.e., double bonds, triple bonds) count as one electron domain. In other words, a double bond is one domain, not two. Sources Jolly, William L. Modern Inorganic Chemistry. McGraw-Hill College, June 1, 1984. Petrucci, Ralph H. General Chemistry: Principles and Modern Applications.  F. Geoffrey Herring, Jeffry D. Madura, et al., 11th Edition, Pearson, February 29, 2016.

Tuesday, November 5, 2019

Basic Guide to Using Spanish Adverbs

Basic Guide to Using Spanish Adverbs Like adjectives, adverbs are words that often are used to provide needed details in speech and writing. Although we could make grammatically complete sentences without them, we would be severely limited in what we could convey. Spanish adverbs are much like their English counterparts. There are at least two ways in which you can define what adverbs are: Words that tell us when, how or where the action or process in a sentence takes place.Words that modify or limit the meaning of a verb, adjective, adverb or entire sentence. A look at the examples below should make clear what types of words were talking about. As in English, most adverbs are derived from adjectives. In Spanish, most adverbs that are derived from adjectives end in -mente, just as in English most end in -ly. Following are the most common types of adverbs. Spanish Adverbs Examples Adverbs of manner: Adverbs of manner are the most common and are used in a wide variety of situations, as they tell how something is done. In Spanish, they typically come after the verbs they modify. Estudia bien. (She studies well.)Canta mal. (He sings poorly.)Conduce lentamente. (He drives slowly.)Me abrazà ³ carià ±osamente. (She affectionately hugged me.)Leo mucho. (I read a lot.) Intensifiers and modifiers: These serve to make the adverb or adjective they modify either more or less intense. They come before the words they modify. Estoy muy cansada. (I am very tired.)Es poco inteligente. (He is not very intelligent.)Est ms borracho. (He is quite drunk.) Point of view adverbs: These adverbs modify an entire sentence and evaluate it. Although they usually come at the beginning of a sentence, they dont have to. Quizs à ©l tenga miedo. (Perhaps he is afraid.)Personalmente, no lo creo. (Personally, I dont believe it.)Pablo evidentemente estudia mucho. (Pablo obviously studies a lot.) Adverbs of time: These adverbs tell when something occurs. They often come after the verb. Salimos maà ±ana. (Were leaving tomorrow.)No estudia nunca. (He never studies.) Adverbs of place: These adverbs tell where an action or process occurs. They can be confusing for beginning learners, since many of the adverbs that indicate place can also function as prepositions or even as pronouns. Adverbs of place appear either before or after the verb they modify. It is more important in Spanish than in English to make certain that the adverb is placed close to the verb it modifies. Est aquà ­. (It is here.)Allà ­ comeremos. (Well eat there.)Te busca arriba. (He is looking for you upstairs.)

Sunday, November 3, 2019

Accidental Heroes Essay Example | Topics and Well Written Essays - 2000 words

Accidental Heroes - Essay Example They decided to break the rules for a noble purpose and emerged as heroes. This paper shall look into several movies where heroes are made by their deliberate decisions to violate the rules established by the society they live in, their government or their superiors. These movies are The Island, The Matrix, Percy Jackson and the Olympians: The Lightning Thief, and Ironman 2. The theme about violating established rules and emerging as a hero at the end is apparently not only common but widely accepted among both filmmakers and moviegoers. The Island The 2005 movie The Island is a futuristic movie set in the year 2019 where a company has perfected the science of human cloning. They then capitalized on this technology by selling very expensive health insurance policies to the wealthy people who want to live forever. The clients were told that the company is keeping a stock of cloned body parts which they will use for perfectly compatible organ transplants. The clients are unaware that w hat the company has at their facility is a community of clones who are then killed in order to harvest the needed human organs. The accidental hero in the person of Lincoln Six-Echo is one of the clones living in the highly secluded and closely-monitored facility. They were not allowed to interact with one another. They were made to believe that they were the last survivors of the human race and they vied for a spot in â€Å"The Island† which is supposedly the last frontier of the earth. Their every move is being monitored and there are rules for everything. If curiosity killed the cat, Lincoln Six-Echo’s inquisitive nature saved him and the others. He had a lot of questions about the things around him and about what they are told to believe. And he searched for answers. When he asked his friends and the authorities at the facility, he does not get straight answers so he decided to take the risk of violating the facility’s rules and find the answers himself. The movie went on to reveal the truth and narrates the adventures of Lincoln Six-Echo outside the facility where he finally found out that the people in the facility are â€Å"copies of people out here in the world† (The Island). If he did not take the risk of violating the rules which was strictly and oppressively implemented inside the facility, Lincoln Six-Echo would not know about who and what he really was. Moreover, he would not be able to save himself and his friend, Jordan Two-Delta, who had already won her ticket to â€Å"The Island†. If he did not violate the rules in his confined world, the insurance company’s sinister business would not be exposed into the open and its clients would remain oblivious to the fact that someone identical to them had to die in order for them to live. The Matrix The matrix is by far the most intellectual and thought-provoking film I have ever seen. Admittedly, I had to watch it a second time to listen and fully absorb the dia logues, and a third time to fully and completely comprehend what the movie is all about. Although this movie is packed with action sequences and dazzling special effects, one can only fully understand the true meaning and message of the movie by absorbing every word in its limited dialogues. The Matrix tells about a post-apocalypse earth where humans are controlled by machines. Humans lay asleep in pods while their minds are inside a virtual reality program called the matrix. Inside the matrix, the minds of sleeping bodies live â€Å"normal† lives where they work, eat, sleep and die. However, in the real world, that is, outside of the matrix system, people are unconscious in a honeycomb of pods with tubes attached to their bodies and where â€Å"the machines liquefy the dead to feed the living†