For a given chemical reaction, the rate of the reaction usually increases with a

Question

For a given chemical reaction, the rate of the reaction usually increases with a. increase in temperature, use of a catalyst and addition of product b. an increase in temperature c. use of catalyst d. addition of product e. increase in temperature and use of a catalyst For a given chemical reaction, the rate of the reaction usually increases with increase in temperature, use of a catalyst and addition of product an increase in temperature use of catalyst addition of product increase in temperature and use of a catalyst a. increase in temperature, use of a catalyst and addition of product b. an increase in temperature c. use of catalyst d. addition of product e. increase in temperature and use of a catalyst

Explanation / Answer

(A) would be the correct answer. An increase in temperature, increases the number of molecular collisions; therefore, increases the rate of the reaction. A catalyst decreases the activation energy necessary for the reaction, in turn increases the rate of the reaction. Adding product to the reaction, will increase the rate of the reverse reaction. As most reactions prefer to be in equilbrium, increasing the concentration of products will encourage the reverse reaction to proceed.

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