Complete each sentence by matching with the correct statement.
Increasing the concentration of a reactant:
a. Increases the frequency and energy of molecular collisions which speeds up the
b. Reduces the energy and frequency of the collisions thus slowing down the rate of the reaction
c. Increases the frequency of molecular collisions thus speeding up the rate of the reaction
d. Increases the activation thus speeding up the rate of the reaction
e. Lowers the activation energy and speeds up the reaction
f. Gives the molecules more energy
Adding a catalyst to a reaction:
a. Increases the frequency and energy of molecular collisions which speeds up the rate of the reaction
b. Reduces the energy and frequency of the collisions thus slowing down the rate of the reaction
c. Increases the frequency of molecular collisions thus speeding up the rate of the reaction
d. Increases the activation thus speeding up the rate of the reaction
e. Lowers the activation energy and speeds up the reaction
f. Gives the molecules more energy
Lowering the temperature of the reaction:
a. Increases the frequency and energy of molecular collisions which speeds up the rate of the reaction
b. Reduces the energy and frequency of the collisions thus slowing down the rate of the reaction
c. Increases the frequency of molecular collisions thus speeding up the rate of the reaction
d. Increases the activation thus speeding up the rate of the reaction
e. Lowers the activation energy and speeds up the reaction
f. Gives the molecules more energy
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