Molar heat capacity of diamond carbon in equilibrium with graphite carbon at constant pressure is :
A
zero
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B
Infinity
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C
3.4 kJ/mol
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D
-3.4 kJ/mol
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Solution
The correct option is B Infinity Molar heat capacity of diamond carbon in equilibrium with graphite carbon at constant pressure is infinity. The relationship between the molar heat capacity and the temperature is as shown below.