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∆E˚ is measured at constant volume and ∆H˚ is measured at constant pressure. For the reaction; 2C(s)Thermodynamics Chemistry Question

Question

∆E˚ is measured at constant volume and ∆H˚ is measured at constant pressure. For the reaction;
2C(s) + O2(g) → 2CO(g) ∆H˚ < 0 kJ
How do the ∆E˚ and ∆H˚ compare for this reaction?

A.

∆E˚ < ∆H˚

✓ Correct
B.

∆E˚ > ∆H˚

C.

∆E˚ = ∆H˚

D.

Impossible to tell from this information.

💬
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