Multiple Choice
Given the following data ( Hf,S°,respectively) for N2O4(l) -20.kJ/mol,209.0 J/K mol,and N2O4(g) 10.kJ/mol,304.2 J/K mol.Above what temperature (in °C) is the vaporization of N2O4 liquid spontaneous?
A) Above -178 °C.
B) Above -231 °C.
C) Above 3 °C.
D) Above 30. °C.
E) Above 42 °C.
Correct Answer:
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