Chemistry revision cards 0.0 / 5 ? ChemistryEnergy of reactions/Exothermic and endothermic reactionsGCSEAQA Created by: faheembuttCreated on: 11-10-14 12:06 How do you measure the rate of reaction? Give 4 ways. -Precipitate -Gas Production -Change in mass -Colour Change 1 of 6 Give 4 ways to speed up reactions? -Catalyst -Surface Area Increase -Temperature increase -Increase Concentration 2 of 6 What is the collision theory? For a reaction to happen, the particles must collide with enough energy to break the bonds. 3 of 6 What is activation energy? The energy needed for a chemical reaction to take place. 4 of 6 Fill in the missing word(s): The higher the temperature, the more _____ per second, as the particles have more energy. Collisions 5 of 6 Complete this sentence: Double the concentration means double the _______________ Rate of reaction 6 of 6
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