C2H6(g) + \(\frac{7}{2}\)O2(g) → 2CO2(g) + 3H2O(g)      ∆H˚ = –1427.7 kJ

If the enthalpy of vaporization for H2O(l) is 44.0 kJ/mol, Calculate ∆H˚ for this reaction if H2O(l) is formed instead of H2O(g).

1. –1295.7 kJ
2. –1383.7 kJ
3. –1471.7 kJ
4. –1559.7 kJ
Subtopic:  Hess's Law |
From NCERT
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