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The Dissolution of Gases in Water Is Virtually Always Exothermic

Question 79

Multiple Choice

The dissolution of gases in water is virtually always exothermic because __________.


A) one of the two endothermic steps (separation of solute particles) in the solution-formation process is unnecessary
B) the exothermic step in the solution-formation process is unnecessary
C) gases react exothermically with water
D) neither of the two endothermic steps in the solution-formation process is necessary
E) all three steps in the solution-formation process are exothermic

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