Rate of reaction key words 0.0 / 5 ? ChemistryProperties of hydrocarbonsGCSEAQA Created by: 14kumari4079Created on: 31-12-17 12:22 a substance we start with before a chemical reaction takes place reactant 1 of 5 A substance made as a result of a chemical reaction product 2 of 5 an explanation of chemical reactions in terms of reacting particles colliding with sufficient energy for a reaction to take place collision frequency 3 of 5 the minimum energy needed for a reaction to take place activation energy 4 of 5 one of the factors affecting rates of reactionm temperature 5 of 5
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