Physics, 21.01.2020 13:31 sanafarghal

7. how do catalysts speed up reactions?
a. they increase the surface area of reactants.

b. they increase the temperature of the reaction.

c. they stir the reactants, causing more particle collisions.

d. they lower the energy barrier of a reaction.

urgent

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7. how do catalysts speed up reactions?
a. they increase the surface area of reactants.
...