Thermodynamics and Thermochemistry 1 Question 19
22. The standard state Gibbs free energies of formation of (graphite) and (diamond) at are
The standard state means that the pressure should be 1 bar, and substance should be pure at a given temperature. The conversion of graphite
(2017 Adv.)
Thermodynamics and Thermochemistry 105
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(a) 58001 bar
(b) 1450 bar
(c) 14501 bar
(d) 29001 bar
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Solution:
Now taking initial state as standard state
Now (ii)-(i) gives,
At equilibrium,