November 26, 2015

Homework Help: Chem

Posted by Mary on Sunday, November 3, 2013 at 8:15pm.

Consider the reaction shown:
452 kcal + 4 PCl5 (s) P4 (s) + 10 Cl2(g)
This reaction is ________ because the sign of H is ________.
A) exothermic; neither positive nor negative
B) endothermic; positive
C) endothermic; negative
D) exothermic; positive
E) exothermic; negative

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