CHM 1311 Study Guide - Ethylenediaminetetraacetic Acid, Spectrophotometry, Chemical Equation

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15 Jul 2014
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Speeds of chemical reactions vary, such as the conversion from diamond to carbonate which takes over one hundred years opposed to the reaction of milk going back which takes two and a half weeks. In this experiment we will investigate the way in which the rate of a chemical equation depends on the concentration of the reactants. This is known as order of the reaction. The rate of a reaction can be expressed as. The k value refers to the proportionality constant, n and m refer to the order of the reaction with respect to [a] and [b]. To find the order of the reaction in this lab we will measure the absorbance of ph values of 4. 0, 4. 5 and 5. 0 edta with. Using the spectrophotometer we will be able to find the percent transmittance at certain times. One we find these values we can determine to abundance by using the following equation.

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