Organic chemistry Organic chemistry is one of the ‘branches’ of chemistry and is seen as distinct from other branches‚ such as inorganic and physical chemistry. It can be described as the chemistry living processes (often referred to as biochemistry) but extends beyond that. It focuses almost entirely on the chemistry of covalently bonded carbon molecules and as well as life processes‚ it includes the chemistry of other types of compounds‚ including plastics‚ petrochemicals‚ drugs and paint
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Chemistry 12 Unit 2 Notes - Equilibrium Chemistry 12 Tutorial 5 – The Equilibrium Constant (Keq) What is Keq ? The "K" in Keq stands for "Constant". The "eq" means that the reaction is at equilibrium. Very roughly‚ Keq tells you the ratio of Products/Reactants for a given reaction at equilibrium at a certain temperature. [Products] [Reactants] K eq = It’s not quite this simple when we deal with real substances. Let’s take an example. It has been found for the reaction: 2HI(g )
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Chemistry 12 Unit 1 - Reaction Kinetics Chemistry 12 Worksheet 1-3 - Reaction Mechanisms 1. It is known that compounds called chlorofluorocarbons (C.F.C.s) (eg. CFCl3) will break up in the presence of ultraviolet radiation‚ such as found in the upper atmosphere‚ forming single chlorine atoms: CFCl3 CFCl2 + Cl The Cl atoms then react with Ozone (O3) as outlined in the following mechanism. Step 1: Step 2: Cl + O3 ClO + O2 ClO + O Cl + O2 (single "O" atoms occur naturally in the atmosphere
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The Importance of Chemistry in Life and Society Michael Birzon University of Phoenix February 28‚ 2013 The Difference Between Accuracy and Precision In the fields of mathematics‚ chemistry and all sciences accuracy can and or is defined‚ as a form of measurement‚ which calculates the degree of closeness of a quality to the quality’s truest value. While on the other hand‚ precision is a form of measurement that is exact‚ but is one in which can be duplicated and reproduce the same results
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The Chemistry in Chili For my 2018 Chef Speciality project I will be explaining the chemistry included while cooking chili. Chili is a commonly cooked and served dish and is widely enjoyed across the whole nation. The chili recipe that I will be using includes 2lbs of extra lean ground turkey‚ ½ cup of chopped onions‚ 1 tbsp. Garlic powder‚ 3 oz of diced green chilies‚ 10 oz of can tri- bean blend (drained)‚ 10 oz can organic black beans (Drained) 10 oz of organic diced tomato‚ 1 tbsp. Xylitol
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CM5121 Graduate Organic Chemistry General Administration Matters Dr. Zhang Sheng Office no: S7-03-12 Email: chmzs@nus.edu.sg CM5121 Assessments CA (quiz‚ project) 50% Final Exam (Closed Book) 50% CA: choose 2 out of 3 Quiz 1 (Week 7‚ closed book) 25% Quiz 2 (Week 11‚ closed book) 25% Project Presentation 25% (Week 11-13) 2 Syllabus Broadly divided into 2 parts: 1) Pericyclic Reactions i) Electrocyclic ii) Cycloaddition and cycloreversion iii) Sigmatropic 2) Rearrangements
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CHEMISTRY PROJECT :AIM: TO COMPARE RATE OF FERMENTATION OF GIVEN SAMPLE OF WHEAT FLOUR‚GRAM FLOUR‚RICE FLOUR AND POTATO. SUBMITTED BY :- NAME: Shreyas kelkar CLASS:XII A ROLL NO: 26 INDEX # AIM # CERTIFICATE # ACKNOWLEDGEMENT # DECLARATION # OBJECTIVE # INTRODUCTION # MATERIALS REQUIRED # PROCEDURE # OBSERVATIONS # BIBLIOGRAPHY CERTIFICATE This is to certify that this project is submitted by SHREYAS KELKAR to the chemistry department‚ KENDRIYA VIDYALAYA NO. 1‚ INDORE was carried out
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Chemistry and cosmetics Cosmetics have been around since almost the beginning of time. Egyptian women used kohl to darken their eyelids‚ Cleopatra was even said to have bathed in milk to achieve a soft smooth completion. In Greece‚ women used lead carbonate (a white powder) to obtain a pale complexion‚ which probably wasn’t worth it seeing how it cost them their lives! Anyway‚ cosmetics are no modern phenomenon! Today it is a big business‚ making about $12 billion
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Chemistry and Society Jessica Yadira Lopez CHM/110 November 10‚ 2014 Jennifer Cruz Chemistry and Society Chemistry plays a huge and important role in society; Society depends on the accuracy and precision of measurements for products sold by the retail industry‚ such as a gallon of gasoline‚ a bushel of corn‚ or a liter of bottled water. These measurements have to be precise and accurate when it this relates to how farmers sell their products such as wheat‚ corn‚ milk‚ peanuts‚ and cotton‚ by
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Part 1 A） Chemist 1: New product development This career role involves the development of new paints to meet changing market needs. The chemist would be working as a member of a team developing and testing new colloidal paints to suit specific purposes. This might include weatherproof paints‚ which retain their colour and are resistant to solar radiation‚ or indoor paints that can be easily and repeatedly washed. Chemist 2: Environmental monitoring This career role as a public servant could
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