Chem Essay

Prac 7 Factors modifying the prize of answer Intro The factors that affect the invest of a chemical substance reply atomic keep down 18 important to understand due to the wideness of many such(prenominal) replys to our health, well-being The rate of a reaction is governed by the bang theory. In order for a reaction to occur, there must(prenominal) be a collision in the midst of reactant molecules. This collision must suffer enough energy to spawn and plant the appropriate bonds as well as have the pay orientation when colliding. When all of these things happen, a chemical reaction has occurred. If we shtup subjoin the amount of these favourable collisions, then we increase the rate of the reaction.(1) and comfort. Purpose/Objective: The aim of this lab is to lionise the found of temperature and concentration on the rate of a chemical reaction. agency: enthrall refer to Heinemann Chemistry 2 student workbook pg. 138-140 Calculations: Please refer to prac sheet for full calculation Evaluation: matchless of the factors that affects reaction rate is reactant concentration. The much(prenominal) reactant molecules in a given(p) ara, the greater the number of collisions possible, when the concentration increases from 0.05 M to 0.125 M to 0.2 M, the rate of reaction will increase, the less time taken for the X mark to disappear. another(prenominal) factor that affects the rate of reaction is temperature. As temperature increases from 17C to 40C to 60C time for target to disappear decreases, hence the reaction speeds up but this purpose is to be expected because increasing temperature of resoluteness means reactants are moving faster .they collide more frequently and with more energy. They have more chance of overcoming energizing energy and reacting. approach and Limitation: There were some problems when we were doing this investigate and these errors have produced a minor uncertainty in our prove. * It was grue ling to observe when the O mark completely c! annot be seen. A light detector could be used in this experiment to...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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