Use the information to calculate dG for each reactant and each product with dG = dH - TdS, then
dGrxn = (n*dG products) - (n*dG reactants)
Post your work if you get stuck.
Calculate the delta G of the reaction using the following information.
4HNO3+ 5N2H4 --> 7N2+ 12H2O
Delta H(Kj/mol) -133.9 50.6 0 -285.8
Delta S(J/mol x K) 266.9 121.2 191.6 70.0
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