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27 Nov 2019

How does adding a catalyst to a reaction mixture speed up therate of the chemical reaction?

a. increases the kinetic energy of the molecules

b. increases frequency of collisions

c. provides an alternative reaction mechanism

d. spatially oriented the molecules correctly forcollision

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Beverley Smith
Beverley SmithLv2
13 Aug 2019

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Related questions

When a catalyst is added to a reaction mixture it...

a) provides a new pathway (mechanism) for the reaction.

b) increases the rate of collisions between reactant molecules.

c) provides reactant molecules with more energy.

d) slows down the rate of the back reaction.

e) does none of these.


The best description of how a catalyst makes a reaction proceed at a faster rate is a. A catalyst increases the kinetic energy of the reactant particles. b. A catalyst provides an alternate path for the reaction and effectively lowers the activation energy. c. A catalyst lowers the average energy of the product molecules. d. A catalyst changes the position of equilibrium by shifting the reaction towards the products. e. A catalyst raises height of the energy barrier required for reaction.

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