1.

Changes in enthalpy for the reaction : 2H_(2)O_(2)(g) rarr 2H_(2)O (l) + O_(2)(g) if heat of formation of H_(2)O_(2)(l) and H_(2)O(l) are -188 kJ mol^(-1) and -286 kJ mol^(-1) respectively is

Answer»

`-196 KJ MOL^(-1)`
`+196 kJ mol^(-1)`
`+948 kJ mol^(-1)`
`-948 kJ mol^(-1)`

ANSWER :A


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