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C2H6(g) + 7/2O2(g) → 2CO2(g) + 3H2O(g) ∆H˚ = –1427.7 kJ If the enthalpy of vaporization for H2O(l) iThermodynamics Chemistry Question

Question

C2H6(g) + 7/2O2(g) → 2CO2(g) + 3H2O(g) ∆H˚ = –1427.7 kJ
If the enthalpy of vaporization for H2O(l) is 44.0 kJ/mol, what is ∆H˚ for this reaction if H2O(l) is formed instead of H2O(g)?

A.

–1295.7 kJ

B.

–1383.7 kJ

C.

–1471.7 kJ

D.

–1559.7 kJ

✓ Correct
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