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March 27, 2017

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

  • Chem - ,

    The equation shows heat is added; therefore, the reaction is endothermic so the sign of delta H will be ......?

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