The iodination of ethylene at 25°C is characterized by the thermodynamic values shown.
H2C = CH2(g) + I2(g) ⇌ lCH2CH2l(g) ΔH° = - 48 kJ; ΔS° = - 0.13 kJ/K
(b) Is the reaction exergonic or endergonic at 25°C?
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