Chemistry Practice Problems Gibbs Free Energy Practice Problems Solution: What is the standard Gibbs free energy for the tra...

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Solution: What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K?

Problem

What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K?

Solution

The first thing we need for this problem are the Gibbs Free Energy of formation values:

$C_{graphite} = 0 \; kJ \; / \; mol$

$C_{diamond} = 2.9 \; kJ \; / \; mol$

The equation to find $\Delta G_{rxn}$

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Gibbs Free Energy

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