Use the bond energies provided to estimate ΔrH° for the reaction below. CH3OH(l) + 2O2(g) → CO2(g) + 2H2O(g) ΔrH° = ?
Bond Bond Energy (kJ mol-1)
C-H 414
C-O 360
C=O 799
O=O 498
O-H 464
A) +473 kJ mol-1
B) -91 kJ mol-1
C) -486 kJ mol-1
D) -392 kJ mol-1
E) +206 kJ mol-1
Correct Answer:
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