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ΔH° = 226.7 kJ/mol, ΔS° = 58.8 J/K•mol. The standard free energy of formation of acetylene is ________ kJ/mol. four significant figures.?
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- hcbiochemLv 76 years ago
If the values you gave are ΔH°f and ΔS°f, then,
ΔG°f = ΔH°f - TΔS°f
T = 298 K.
Just plug in your values and solve, paying attention to units:
ΔG°f = 226.7 kJ/mol - 298(0.0588 kJ/molK) = 209.2 kJ/mol
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