First slide

Gibb's Helmholtz equation

Question

For the process $H_{2} O (l) \overset{Equilibrium}{⇌} H_{2} O (s)$ Select the correct option.

Easy

A

$ΔH=−ve,ΔS=+ve,ΔV=−ve,ΔG=0$
B

$ΔH = - ve, ΔS = - ve, ΔV = + ve, ΔG = 0$
C

$ΔH = + ve, ΔS = + ve, ΔV = - ve, ΔG = 0$
D

$ΔH = - ve, ΔS = - ve, ΔV = - ve, ΔG = 0$

Solution

$∵ V_{m} (Ice) > V_{m (water)}, Δ V > 0$
At equilibrium state, $ΔG = 0$
Freezing is an exothermic process

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