Multiple Choice
When a cold-pack is activated,a chemical reaction occurs and the temperature of the pack contents drops sharply.Which of the following is a correct description of the reaction occurring in the pack?
A) The reaction is exothermic; ∆H ° > 0.
B) The reaction is exothermic; ∆H ° < 0.
C) The reaction is endothermic; ∆H ° > 0.
D) The reaction is endothermic; ∆H ° < 0.
E) None of the choices are correct.
Correct Answer:
Verified
Correct Answer:
Verified
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