Question

Calculate DrG for the reaction below at 25.0 C.
P4O10(s) + 6 H2O() 4 H3PO4()
Species DfH (kJ/mol) S (J/K mol)
P4O10(s) -2984.0 228.9
H2O() -285.8 69.95
H3PO4() -1279.0 110.5
A.-6119.1 kJ/mol-rxn
B.-632.8 kJ/mol-rxn
C.-355.6 kJ/mol-rxn
D.+210.6 kJ/mol-rxn
E.+6119.1 kJ/mol-rxn

Answer

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