Chemical reactions are the basis of life on earth. As human beings‚ we are little more than the naturally abundant elements of which we are composed and the reactions between the compounds that they form. After all‚ how could life exist without water? Oxygen transport in a body the size of the human body would be impossible without the aid of a complex like hemoglobin. Besides being the basis of many of life’s intangibles‚ chemistry also plays an active role in our daily lives. Take for instance
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Diamond Chemicals: Case 21-22 TO: Lucy Morris FROM: DATE: September 30‚ 2009 SUBJECT: Merseyside Project In this memo I will be making a recommendation for or against the Merseyside Project. With the help of a few questions that guide my memo‚ I will be able to determine whether or not to continue funding for the Merseyside Project. This memo will include an exhibit that will show an analysis of the Merseyside Project including the NPV and the IRR. In the DCF analysis that was
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CHM 096 TUTORIAL 2 (Chemical Equilibrium) 1. Write the equilibrium constant expression‚ Kc‚ for each of the following reactions: a) 2NO(g) + O2(g) ⇄ 2NO2(g) b) The decomposition of solid potassium chlorate to solid potassium chloride and oxygen gas. c) 4HCl(g) + O2(g) ⇄ 2H2O(g) + 2Cl2(g) d) 2NO2(g) + 7H2(g) ⇄ 4H2O(l) + 2NH3(g) e) H2O(g) + C(s) ⇄ CO(g) + H2(g) f) The reduction of solid copper (II) oxide with hydrogen gas to produce copper metal and
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Rates of Chemical Reaction II Pre-Lab Summary: First we will set up the experiment as shown in Figure 2‚ and then we will fill the trough with room temperature water and record the temperature and we will also add the room temperature water to the buret until it is about 10ml from the top. If there are no leaks in the apparatus‚ we will add 10ml of KI to 15ml of distilled water in a 125ml flask. We will swirl the flask so that it achieves room temperature‚ then we will add 5ml of H2O2 and quickly
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This assignment discusses chemical kinetics by determining the rate and average value for rate constant based on experimental values given. The orders of the reactants can only be determined experimentally‚ so we must look at how the concentration of the reactants affect the instantaneous initial rate while holding the concentration of the other reactant constant. In this reaction‚ the overall reaction order for the rate law is third because the order for A is second and the order for B is first
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My Chemical Romance. Gerard‚ Mikey and Frank all had drug problems. Mikey and Gerard‚ on top of that had alcohol problems. They got themselves better. They knew no one else could help them. What encouraged them to get better? Themselves‚ and the music. Ray had the absolutely awful job of having to watch them go through all of this‚ on top of him trying to be the perfect guitarist. Frank would do drugs over the weekend‚ and wake up on Monday not knowing anything that had happened. Mikey felt
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Chemical Equilibrium: Le Châtelier’s Principle Abstract This experiment entitled "Chemical Equilibrium" aims to help students to investigate the effects of concentration and temperature upon the position of equilibrium in a cobalt chloride solution‚ Co(H2O)62+. In this experiment‚ cobalt crystal is dissolved with distilled water and ethanol which the initial colour is purple-pinkish and a few drops of concentration of HCl is added to the test tube‚ the final colour is in deep blue colour. Upon
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Chemistry 2 Jorge Nuñez Ms. Principe / Period 2 February 8th‚ 2011 Aim: How are we going to determine the empirical formula of a compound? Do Now: 1) What is the percent by mass of oxygen in H2C2O4? H2 = 2(1) = 2 ; C2 = 2(12) = 24 ; O4 = 4(16) = 96 Gram Formula Mass = 90 Percentage of Oxygen = 6490 x 100 = 71% 2) Calculate the percentage of water: -Mass of empty crucible and cover = 11.7g -Mass of crucible‚ cover‚ and hydrate before heating = 14.9g -Mass of crucible
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REACTION: OXALIC ACID-POTASSSIUM PERMANGANATE REACTON Title: Temperature of the reaction: Oxalic Acid-Potassium Permanganate Reaction System Author: Miss Cleopatra Saul Abstract: The purpose of this experiment is to determine the rate of a chemical reaction (potassium permanganate‚ KMnO4‚ + oxalic acid‚ H2C2O4) as the concentrations are varied and to determine the rate law for the reaction. Since rates depend on temperature‚ we will also look at the effect of temperature on the rate of this
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Although when you first hear the word Krypton you just might automatically think of the planet in the Superman comics. Krypton is a chemical element of the periodic table. The periodic table has about one hundred and eighteen elements. Krypton is number thirty six in the periodic table it is in group eighteen period four. It is a part of the noble gas series. Its atomic number is thirty six and its atomic mass is eighty three point seven nine eight. It has forty eight neutrons in its most sufficient
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