If a chemical reaction occurs in a direction that has a positive change in entropy,then _____.
A) the change in enthalpy must be negative.
B) the reaction must be spontaneous.
C) the heat goes from the system into the surroundings.
D) the reaction must be exothermic.
E) the disorder of the system increases.

Question

Quizplus · Accepted Answer

A positive change in entropy indicates an increase in the disorder or randomness of the system, which is what option E states. The other options are not necessarily true based on the information given about entropy.

If a Chemical Reaction Occurs in a Direction That Has