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H(2)(g)+(1)/(2)O(2)(g)to H(2)O(l) , Delt...

`H_(2)(g)+(1)/(2)O_(2)(g)to H_(2)O(l) , Delta H` at `298 K = - 285.8 kJ`
The molar enthalpy of vapourization of water at 1 atm and `25^(@)C` is 44 kJ. The standard enthalpy of formation of 1 mole of water vapour at is

A

`-241.8 kJ`

B

241.8 kJ

C

329.8 kJ

D

`-329.8 kJ`

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The correct Answer is:
A
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