Explain the effects of reactant concentration and particles size on the rate of a reaction.
For many reactions involving liquids or gases, increasing the concentration of the reactants increases the rate of reaction. In a few cases, increasing the concentration of one of the reactants may have little noticeable effect of the rate. [ These cases are discussed and explained further down this page.
Don't assume that if you double the concentration of one of the reactants that you will
double the rate of the reaction. It may happen like that, but the relationship may well be more complicated. ]
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