As thermal equilibrium obeys the zeroth

Question:

 As thermal equilibrium obeys the zeroth law of thermodynamics, temperature of system and surroundings will be the same when they are in thermal equilibrium.

Solution:

For the given reaction N2O4 (g) ⇋2NO2 (g) the value of Kp = 0.98.

Hence, ∆rG⁰ = – RT ln(0.98)

Since ln(0.98) has a negative value, the value of ∆rG⁰ becomes positive. Therefore, the reaction is non- spontaneous.

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