Everything you need to know about hydrocarbons INTRODUCTION: organic chemistry Organic chemistry is the chemistry of compounds that contain carbon and hydrogen. The element carbon has a special role in chemistry because it bonds with other carbon atoms to give a vast array of molecules. The varity of molecules is so great that we find organic compounds in many common products we use‚ such as gasoline‚ medicines‚ shampoos‚ plastic bottles‚ and perfumes. The food we eat is composed of different
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Cheat A reckless driver zoomed down the wet and slippery roads. His car was shaking as his speakers blasted the thundering growls‚ the biting guitars‚ and the thrashing drums. He was angry that he couldn’t keep his car clean. It had been raining all week making his pride-and-joy ugly and dull‚ it made his blood boil which wasn’t a difficult feat these days. So he was dealing with his anger the only way he could at the moment. His music‚ he said‚ helped him relax. She knew he was lying. Sitting
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ACKNOWLEGEMENTS ACKNOWLEGEMENTS First of all I would like to thank my chemistry teacher Ms. Shyamala for providing adequate information which was a great helping hand from her .I would like to thank my parents. Even their support was an immense assistance. First of all I would like to thank my chemistry teacher Ms. Shyamala for providing adequate information which was a great helping hand from her .I would like to thank my parents. Even their support was an immense assistance. Certificate
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CHEMISTRY OF LAETRILE ( AMYGDALIN / VITAMIN B17) AUTHORS: Audrey De Jesus Rowie Joy Pilapil Shariel Eunice Juanillas Polytechnic University of the Philippines College of Science Department of Nutrition and Dietetics Sta. Mesa‚ Manila ABSTRACT Vitamin B-17‚ commonly known as "Amygdalin”‚ is a plant substance found naturally in raw nuts and the pips of many fruits‚ particularly apricot pips‚ or kernels. It is also present in plants such as lima beans‚ clover and sorghum. Laetrile‚ on the other
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Chemistry of love: how science can explain our daily lives? By Barton Dong Loving and being loved adds richness to our lives. When people feel close to others they are happier and even healthier. Love helps us feel important‚ understood‚ and secure. When people think of love‚ a romantic emotional scene appears in their minds. In the heavy days of a mutual crush‚ pulses race‚ knees go weak‚ and heads reel. So strong are these feelings‚ they’ve launched a thousand songs and
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Lotteries Cheat‚ Corrupt The People In “Lotteries Cheat‚ Corrupt The People” George F. Will argues that lotteries have done nothing but corrupt and cheat the people of this country. Will compares gambling to a game of jai alai saying it is a “game for the entertainment of gamblers and the benefit of‚ among others‚ the state treasury.” However‚ I disagree completely and truly believe that lotteries do much than that. Lotteries give personal enjoyment to those who are gambling and hope to those who
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USA BOP 2009: -381‚638‚000‚000 2010: -449‚477‚000‚000 2011: -457‚729‚000‚000 2012: -440‚423‚000‚000 The balance of payments is a statistical summary of international transactions. These transactions are defined as the transfer of ownership of something that has an economic value measurable in monetary terms from residents of one country to residents of another. The transfer may involve: (1) goods‚ which consist of tangible and visible commodities or products‚ (2) services‚ which consist
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values that have trailing zeros only to the left of the decimal point are ambiguous and should be expressed in scientific notation. We must take note that the chemistry textbook (Silberberg 6e) states that placing a decimal point to the right of some trailing zeros (example: 300.) will make the zeros significant. However in General Chemistry‚ we do not follow this rule. If we want to write a whole number with trailing zeros we must use scientific notation to show which zeros are significant. When
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Chemistry 121 Colligative Properties Lab Demonstration of Selected Calculations from Choice I Determination of Kf for Naphthalene To determine the Kf for naphthalene‚ we need to find the difference in the freezing point of pure naphthalene and the solution of 1‚4-dichlorobenzene in naphthalene. Let’s say that we did this experiment‚ used 1.00 g 1‚4-dichlorobenzene in 10.00 g naphthalene‚ and found that the freezing temperature of pure naphthalene was 78.2°C‚ while that of the solution was 75
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reactants used and the amounts of products formed in a chemical reaction”. Basically‚ Stoichiometry is the science of counting and studying the relationship between the amounts of the reactants to the product. To think of stoichiometry outside of chemistry‚ imagine a bookshelf. To assemble the bookshelf you may need 3 planks of wood‚ 1 giant plank of wood‚ and 20 nails. Even though the amount of the reactants is high‚ the product would be only one bookshelf. Stoichiometry is basically studying the
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