SATHEE: Equilibrium - Result Question 23

Equilibrium - Result Question 23

####24. Consider the following liquid - vapour equilibrium.

[2016] Liquid $\to$ Vapour

Which of the following relations is correct ?

(a) $\frac{d ℓ n G}{d T^{2}} = \frac{Δ H_{v}}{R T^{2}}$

(b) $\frac{d ℓ n P}{d T} = \frac{Δ H_{v}}{R T}$

(d) $\frac{d ℓ n P}{d T} = \frac{- Δ H_{v}}{R T^{2}}$

Show Answer

Solution:

(d) Clausius-Clapeyron’s equation

$\frac{d \ln P}{d T} = \frac{Δ H_{v}}{R T^{2}}$

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Equilibrium - Result Question 23

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