Chemistry · Thermochemistry
Consider the reaction: A2 + B2 → 2AB, with standard enthalpy of formation ΔHf0 = -200 kJ/mol. Here AB, A2, and B2 are diatomic molecules. If the bond enthalpies of A2, B2, and AB are in the ratio 1 : 0.5 : 1, then the bond enthalpy of A2 is _________ kJ/mol.
- 1200
- 2600
- 3800✓
- 4400
Correct answer
800
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