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    Chemical Principles Study Set 4
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    Exam 10: Spontaneity, Entropy, and Free Energy
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    The Standard Free Energy of Formation of N<sub>2</sub>(g) at 25°C
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The Standard Free Energy of Formation of N2(g) at 25°C

Question 81

Question 81

Multiple Choice

The standard free energy of formation of N2(g) at 25°C is zero. Calculate ΔGf (25°C) , in kilojoules per mol, for N2 at 1000 atm. Assume ideal gas behavior.


A) -17.1 kJ/mol
B) 0 kJ/mol
C) -39.4 kJ/mol
D) +17.1 kJ/mol
E) +39.4 kJ/mol

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