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Calculate DeltaH for the reaction H(2)...

Calculate `DeltaH` for the reaction
`H_(2)(g)+1//2O_(2)(g)toH_(2)O(g)`
given the bond energies of H-H and O=O bonds and O-H bond are 433 kJ `mol^(-1)`, 492 kJ `mol^(-1) and 464kJ" "mol^(-1)`.

Text Solution

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`-249kJ`
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Calculate the enthalpy of formation of water, given that the bond energies of H-H, O=O and O-H bond are 433 kJ mol^(-1), 492 kJ mol^(-1) , and 464 kJ mol^(-1) , respectively.

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