1. How do catalysts speed up a chemical reaction? a. the reaction becomes endothermic b. the reaction becomes exothermic c. effective collision between reacting molecules
1. How do catalysts speed up a chemical reaction? a. the reaction becomes endothermic b. the reaction becomes exothermic c. effective collision between reacting molecules is produced d. an alternate pathway with lower activation energy is produced 2. To speed up a reaction with which one reactant is a solid and one is a liquid, which of the following will be most effective strategy? a. increase volume liquid reactant b. increase amount of solid reactant c. pulverize the solid reactant d. all of the above will be equally effective
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