February 26, 2017

Homework Help: chemistry

Posted by harry on Tuesday, February 12, 2013 at 10:06pm.

enthalpy change^H is +23kJ mol-1 of phosphine (PH3) for the reaction
a) Calc. entropy change for this reaction. Explain how this information allows you to determine the spontaneity or non-spontaneity of this reaction at any temp (S for PH3 is 210JK-1 mol-1)
b) do these results indicate anything about the possibility of the existence of phosphine? explain your answer.

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