Question

Le Châtelier’s principle states that increasing temperature favors a reaction that a. releases energy as heat. c. involves a chemical catalyst. b. requires energy as heat. d. involves an enzyme.

Answer 1

Answer: Option (b) is the correct answer.

Explanation:

According to Le Chatelier's principle, when a system is in a chemical equilibrium and it is facing a disturbance then the equilibrium will shift in the opposite direction which is opposing the disturbance.

Hence, when we increase the temperature of a chemical reaction then equilibrium will shift in the direction where energy in the form of heat is used.

Thus, we can conclude that Le Châtelier’s principle states that increasing temperature favors a reaction that  requires energy as heat.

Answer 2

I think the correct answer would be requires energy as heat. From the Le Chatelier's principle, when a reaction needs energy to react, increasing the temperature would favor the reaction. This is called an endothermic reaction. Hope this answers the question.