Reaction Rates and Energy Changes 0.0 / 5 ? ChemistryReaction Rates and Energy ChangesIGCSEEdexcel Created by: motionpictureCreated on: 16-12-13 14:28 Reactions can go at... different rates. 1 of 6 Rates of reaction depend on... temperature, concentration, catalyst, surface area, pressure (gases). 2 of 6 Measuring the rate of a reaction. Rate of reaction = amount of reactant used or formed/time 3 of 6 Precipiatation is... when the product of a reaction clouds the solution. 4 of 6 Activation energy is... the amount of energy required to break bonds. 5 of 6 Reversible reactions can... be exothermic or endothermic 6 of 6
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