Rates of Reaction 0.0 / 5 ? ChemistryRate of reactionGCSEAQA Created by: Katie BrownCreated on: 08-05-13 12:26 What 2 way can be used to find the rate of a chemical reaction? Amount of reactant used/time or Amount of product formed/time 1 of 7 What is the activation energy? The minimum amount of energy particles must have to react. 2 of 7 Increasing the temperature causes what in a chemical reaction? It increases the speed of the reacting particles so that they collide more frequently and more energetically. This increases the rate of reaction. 3 of 7 Increasing the pressure of reacting gases causes what in a chemical reaction? It increases the frequency of collisions and so increases the rate of reaction. 4 of 7 Increasing the concentration of reactants in solutions causes what in a chemical reaction? It increases the frequency of collisions and so increases the rate of reaction. 5 of 7 Increasing the surface area of solid reactants causes what in a chemical reaction? It increases the frequency of collisions and so increases the rate of reaction. 6 of 7 What do catalysts do? They change the rate of chemical reactions but are not used up during the reaction. 7 of 7
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