“Diamonds are formed when carbon deposits are exposed to high pressure and high temperatures for prolonged periods of time.” (Diamonds: Chemistry & Structural Properties‚ 2012) When these high temperatures and high pressures combine with carbon deposits‚ a crystal begins to grow. It grows in different shapes such as octahedron‚ macle‚ dodecahedron or cubic. Usually diamond growth is
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Title : Properties of hydrocarbon Objective : 1) To study the properties of hydrocarbons. 2) To determine the unknown samples. Results : Part A : Combustion Compounds Observations Hexane There was orange flame and burned mildly during the burning process. No soots and smoke were produced. C6H14 + 19/2 O2 6CO2 + 7H2O Cyclohexene Orange flame burned vigorously. A small amount of black soot and smoke were produced during the burning process.
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Chapter 5: Solutions‚ Colloids‚ and Membranes Chapter Summary Mixtures and Solutions * A mixture maintains its identity regardless of the proportions of its components. * A mixture can be separated into its pure components through physical separation techniques. * The components are distributed uniformly throughout a homogenous mixture. * The components are not distributed uniformly throughout a heterogeneous mixture. * A solution is composed of a solvent and one or more solutes
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Name: ____________________________ CHEM 420 Exam 1 Fall 2013 Dr. David Hodapp Read and sign the CRC Honor Code on the next page before starting the exam. Answer all essay questions using complete sentences and proper spelling‚ punctuation‚ and grammar. Points Multiple Choice 34 Matching 12 Fill-In 14 Problems/Essay Questions 90 Total 150 o G = -RT(lnK ) = -2.303RT(log K ) 10 eq k r Ae eq Ea / RT 1 Cosumnes River College Honor Code*
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possible to characterize it. The melting point range was… Introduction: This lab is possible because of oxidation and reduction reactions. In organic chemistry oxidation is the loss of electron density around a carbon‚ while reduction is an increase in electron density around a carbon. More electronegative atoms such chlorine have a strong affinity for electrons while conversely low electronegative atoms have a low affinity for electrons. This unequal affinity for electrons causes an unequal
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of wood and agricultural biomass‚ solid wastes‚ landfills gas and alcohol fuels. There are important characteristics of biomass energy which distinct it from other kind of sources. Firstly it is environment friendly. In most cases‚ the emission of carbon dioxide is smaller as compared to the emission of its counterparts. Whatever quantity biomass energy emits‚ it takes back during the growth of the agricultural related products in during photosynthesis process. Secondly‚ the supply of biomass products
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THE DEPLETION OF FOSSIL FUELS By Zoe Noonan Introduction As the world is becoming more advanced in technology‚ more energy is being used to keep up with the changing requirements. At the current rate at which energy is being used‚ the world will shortly come to an end of fossil fuels- the world’s primary energy resource. Abstract This research paper outlines the problems being faced by the shortage of fossil fuels‚ the effects they are having on the environment and the possible substitutes
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compounds are compounds that contain the elements carbon and hydrogen. 1. Chemical Properties of Carbon a. Carbon has 6 electrons. What is the structure of a carbon atom? b. Carbon can form 4 single covalent bonds with other atoms. It also has the ability to form double bonds with some atoms. Overall‚ the 4 bonds that carbon forms with other atoms makes the carbon stable. This stability is what makes carbon an important component of macromolecules. C. Functional
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1: Figure 1: Synthesis of 3-Nitrochalcone from 3-Nitrobenzaldehyde and Acetophenone Source: cnx.org The mechanism for the synthesis of 3-nitrochalcone is presented in Figure 2. The alpha carbon on the acetophenone is deprotonated‚ followed by the attack of the alpha carbon anion on the carbonyl carbon on the 3-nitrobenzaldehyde. Next‚ is the protonation of the oxygen from the 3-nitrobenzaldehyde‚ which is then followed by an elimination reaction where this acts as a leaving group. The product
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of organic carbon compounds that contain‚ primarily‚ carbon and hydrogen. Whereas the organic compound can contain other elements‚ the bond between carbon and hydrogen are what makes a compound organic. The original organic chemistry was defined the study of compounds by living organisms. Inorganic chemistry is the chemistry that deals with the properties and behavior of inorganic compounds. Inorganic compounds are those that are not biological‚ and not containing any hydrogen and carbon bonds. We
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