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chemistry

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N204 (l) Delta Hf (kJ/mol) = -20
E cell S (J/mol.K) = 209

N204(g) Delta Hf (kJ/mol) = 10
E cell S (j/mol.k) = 304.1

Given the following data, determine the temperature at which n2o4 (l) and n204 (g) can exist in equilibrium?

a. 42 C
b. 3 C
c. -231 C
d. 30 C
e. -178 C

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