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C6

QuestionAnswer
How do you calculate the rate of reaction Mean rate of reaction=quantity of reactant/time
What 5 factors affect rate of reaction -concentration (solution) -pressure (gas) -surface area (solids) -temperature -catalyst
What is collision theory Chemical reactions can only occur when particles collide with sufficient energy
What is activation energy The minimum amount of energy the particles must have in order to react
What is a catalyst A substance that speeds up a chemical reaction but is not used up during the reaction
How do catalysts speed up chemical reactions Lower activation energy
What is an enzyme A biological catalyst
When is dynamic equilibrium reached When the forward and backward reactions occur at the same rate
What is le chantiler's principal If you change the conditions of a reaction the system will try to counteract the change
What happens when you decrease the temperature of a reaction in equilibrium The equilibrium shifts in the exothermic direction
What happens when you decrease the temperature of a reaction in equilibrium The equilibrium shifts in the endothermic direction
What happens when you increase the pressure of a reaction in equilibrium The equilibrium shifts in the direction with less molecules of gas
What happens when you decrease pressure of a reaction in equilibrium The equilibrium shifts in the direction with more molecules of gas
What happens when you increase concentration of a reaction in equilibrium Equilibrium shifts to make more products
What happens when you decrease concentration of a reaction in equilibrium Equilibrium shifts to reduce the reactants
Created by: Liam P
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