and trans geometric isomers. While both of these isomers have the same molecular formula‚ they usually vary in many physical features. Cis isomers have two identical groups located on the same side of the double bond‚ while trans isomers have the two groups on opposing sides of the molecule. Trans isomers are usually more stable than cis isomers because there is no steric interaction‚ or repulsion‚ between the carboxyl groups of the molecule. The more negative heat of formation value of trans alkenes
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16 April 2012 Essay III How Plastic Pollution is Out of Control Many individuals underestimate the amount of plastic we use each day. According to the article “Plastic Bags Wars”‚ “the world consumes 1 million plastic shopping bags every minute”. Plastic bags‚ along with many other types of plastics‚ have become a leading source of pollution worldwide (Doucette). Captain Charles Moore‚ founder of the Algalita foundation states that we use two million plastic bottles in the United States every
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PLASTIC BAGS Introduction One of the most commonly used items in modern generation is the plastic bag. Sufficient‚ convenient‚ strong and cheap‚ plastic bags are seem to be perfect for marketing merchandise‚ foods‚ drinks and more. However‚ there are associated issues with the production‚ use and disposal of these bags which may not be known to most users but which are nonetheless extremely important especially to the environment. To fully understand the ecological footprint of plastic bags‚ determining
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Current plastic bag use and disposal‚ both by consumers and through waste management activities‚ not only create environmental problems‚ but also reinforce the perception of a wasteful society. Plastic bags as litter create a visual pollution problem‚ and affect our aquatic wildlife. Many of the grocery store use the plastic bags as a tool to keep the things easy to carrying. Plastic bags aren’t just at the grocery store‚ there every where‚ landfills‚ the oceans and lakes‚ hanging on trees around
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The role of trans-Atlantic trade and Great Britain’s mercantilist policies in the economic development of the British North American colonies in the period from 1650 to 1750 was to create the colonies into self-sufficient areas of living. Triangular trade within the United States‚ Great Britain‚ the West Indies‚ and Africa helped to distribute and/or import and export essential factors. The theory of mercantilism is “that a state should be as economically self-sufficient as possible” and it stipulates
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Plastics are synthetic substances produced by chemical reactions. Almost all plastics are made from petroleum‚ except a few experimental resins derived from corn and other organic substances. "Plastics" derived their name from their properties to be molded‚ cast‚ extruded or processed into a variety of forms‚ including solid objects‚ films and filaments. These properties arise from their molecular structure. Plastics are polymers‚ very long chain molecules that consist of subunits (monomers) linked
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Crystal Torres Professor. Fennessey English 101 November 20‚ 2012 Trans-racial Adoption There are many arguments and debates on weather Trans-racial adoptions are appropriate in today’s society or even beneficial for the adopted child. The Controversy has gone back & fourth stating if a child upbringing will be the same with its adopted parents as it would be with parents of its own race. . You would think that people would support
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Description: Plastic has been the common materials that is being used on a daily basis. Many objects that made from plastic that can be seen from everyday such as food containers‚ plastic bag‚ storage and so many things that even a human being cannot think of it. Plastic’s existence has only just for over a century but because of the versatility of the materials plastics has a significantly increase in their use into all varieties of everyday life. Furthermore‚ the physical characteristic of plastic itself
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Significance * Plastic bags are not renewable‚ which means they cannot be easily recycled like paper bags. They are made of petrochemicals‚ which is what makes them non-renewable and a risk to the health of the planet. They last for hundreds of years‚ all the while doing damage to natural habitats and killing animals that mistake them for food. The more plastic bags people use‚ the greater the chances of environmental damage. Effects * If not carefully disposed of‚ plastic bags can be devastating
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“Paper or plastic?” is the age-old question when you reach the end of your grocery-shopping trip. Have you ever wondered which is more environmentally safe? Paper and plastic in comparison have many pros and cons. They both effect our environment and animals positively and negatively. Their similar and contrasting qualities have a great impact on our earth. Plastic comes from oil‚ a hole is drilled and a pipe is inserted into the earth. Oil is forced by the earth’s pressure up the pipe‚ into a
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