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    Chemistry - Energy

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    Bibliography: • Macmillan Chemistry Pathways 1 – Geoffrey Thickett • Excel Preliminary Chemistry – C.M.Roebuck • www.cem.msu.edu • greenlighton.files.wordpress.com • www.chemguide.co.uk

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    organic chemistry

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    Name Naza Moore ID# 24120389 Lab# 2 Lab instructors Alecia Palmer and Donald Burke Course Instructor Maureen Wilson Lab Title Preparation of cyclohexene from cyclohexanol Aim Preparation of an Alkene by dehydration of an alcohol in the presence of a catalyst. Calculate the percentage recovery of products. Test for purity and identification of products. Abstract Cyclohexene and cyclohexanol are both colourless aromatic compounds. The major difference between the two is the presence

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    The chemistry of love

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    The Chemistry of Love: Could the first opportunity to fall in love influence our ability to love for a lifetime? There are many different types of love: sexual‚ romantic‚ platonic‚ filial‚ maternal‚ paternal‚ spiritual‚ love of self‚ love of country‚ love of possessions to name a few. Love for our mother‚ our first love‚ could be the pivotal love around which we build our ability to love in every other way. This paper will look at the chemistry that is involved in the baby’s first opportunity

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    Module Chemistry

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    amount of each substance. Balancing a chemical equation refers to establishing the mathematical relationship between the quantity of reactants and products. The quantities are expressed as grams or moles. Balancing equations is a fundamental skill in Chemistry. Steps in balancing equation: 1. Write the unbalanced equation. Chemical formulas of reactants are listed on the lefthand side of the equation. Products are listed on the righthand side of the equation. Reactants and products are separated by putting

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    Chemistry Lab

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    Soluble | Phosphate PO 3-4Carbonate CO 2-3Sulfite‚ SO 2-3 | H | Soluble | Once you recorded all of the data‚ there were a few questions that needed to be answered. A. Compare your results with the solubility rules and/or solubility table in your chemistry text. I would say that my results turned out pretty close to the rules in the text book. I observed many different reactions occurring. The colors of the solutions changed from clear to purple‚ from clear to blue and yellow‚ and from clear to a milky

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    Chemistry of Sunscreens

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    Chemistry of Sunscreens “Over 400 years ago‚ Copernicus declared that the sun was the center of our universe. Primitive societies in every continent have worshiped the sun as the god that provided warmth and made the crops grow” Today‚ the sun is not something we worship but something we try to avoid due to the fact that we are aware that it contains two main sources of ultraviolet radiation that is harmful to our bodies. Ultraviolet radiation (UVR) is defined by wavelengths‚ and is divided

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    Chemistry of Coffee

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    Elisa Hofmeister Kokesh Hour 3 AP Chemistry 5-29-12 The Chemistry of Coffee Green Coffee- Before coffee is roasted‚ it is referred to as “green coffee”. The green coffee is primarily made up of caffeine‚ lipids‚ carbohydrates‚ proteins (amino acids)‚ and organic acids (although inorganic acids exist in coffee as well). These groups are quite stable in the green phase‚ and it is the carbohydrates‚ proteins‚ and acids that will undergo significant reactions during roasting to produce coffee

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    Synopsis One study investigated whether changes in biological rhythms associate with postpartum mood‚ specifically the impact of sleep and biological rhythms on maternal mental health in a population of women at high and low risk for postpartum depression. Postpartum depression (PPD) is the most common maternal birth complication. Approximately 15-20% of mothers experience severe mood disturbances – meeting criteria for depression. This has a pervasive impact on developing infants. There are no

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    Chemistry Report

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    Standardize a solution of potassium manganate(VII) by an iron (II) salt (ammonium iron (II) sulphate) Introduction Oxidation numbers describe the number of electrons the atom will gain or lose during a reaction. Each atom in an equation can be assigned an oxidation number according to certain rules. If the oxidation number of an atom increases as you go from the left side to the right side if an equation‚ oxidation has occurred (electrons have been lost); if the oxidation number decreases

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    Solutions in Chemistry

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    Solutions Solutions are a combination of solvents and solutes. When a solute dissolves into a solvent‚ the combined product of the two reactants is called a solution. The definition of a solute is the reactant that’s being dissolved. The only difference from a solute and a solvent is that the solvent is the one that’s doing the dissolving. Molecules randomly flow in all directions until there is an equal concentration throughout the solution. The dissolving process can vary depending

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