At 1200°C, the standard Gibbs energy of thermal decomposition of one mole of wustite into Fe and O2 is 168 J.
The corresponding dissociation pressure (in atm.) is
A. 2.51 × 10-15
B. 1.22 × 10-12
C. 5.0 × 10-8
D. 1.13 × 10-8
Answer: Option B
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