energy in reactions 0.0 / 5 ? ChemistryEnergy of reactions/Exothermic and endothermic reactionsGCSEAQA Created by: xoxoxxoCreated on: 29-09-15 19:47 exothermic energy is given out, temperature goes up 1 of 11 endothermic energy is given in, temperature goes down 2 of 11 hydrated adding water 3 of 11 unhydrous without water 4 of 11 chemical reaction temperature, new things are made, something is being used up 5 of 11 measuring rate reactions divided by time/ produced dived by time 6 of 11 how temperature speeds up a reaction collisions must occur 7 of 11 why dos powder react faster than large lumps smaller particles make larger surface area 8 of 11 what is a catalysis rate of reaction 9 of 11 what's activation energy the amount of energy required to start a reaction 10 of 11 why are catalysis important reduce cost, save time, reusable 11 of 11
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