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The bond dissociation energy for H-O is 463 kJ/mol. In the stratosphere, water vapor photodissociate as...

The bond dissociation energy for H-O is 463 kJ/mol. In the stratosphere, water vapor photodissociate as follows: H2O + hv --> H(g) + OH (g). calculate the heat of formation of OH(g) given the standard heat of formation of H2O(g) is -242 kj/mol.
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