Calculate the average bond enthalpy for the O-H bonds in a water molecule given that $\Delta_a H_1^V = 502 \text{ kJ mol}^{-1}$ and $\Delta_a H_2^V = 427 \text{ kJ mol}^{-1}$ .
A
464.5 kJ mol⁻¹
B
502 kJ mol⁻¹
C
427 kJ mol⁻¹
D
464 kJ mol⁻¹

Question

Calculate the average bond enthalpy for the O-H bonds in a water molecule given that $\Delta_a H_1^V = 502 \text{ kJ mol}^{-1}$ and $\Delta_a H_2^V = 427 \text{ kJ mol}^{-1}$.

Accepted Answer

464.5 kJ mol⁻¹

Answer

502 kJ mol⁻¹

Answer

427 kJ mol⁻¹

Answer

464 kJ mol⁻¹

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