An exothermic reaction is always spontaneous. Product formation is always favored in a reaction with a negative AH° and a negative A.S. A reaction will have an equilibrium constant that is greater than one if AG for the reaction is negative. Entropy decreases as the temperature increases. The entropy of a substance increases when a liquid vaporizes to a gas at any temperature. For an exothermic reaction, an increase in temperature results in a decrease in the equilibrium constant.

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A: We'll answer first question only since the question to be answered is not mentioned. Please resubmit…