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If 100 mole of H(2)O(2) decompose at 1 b...

If 100 mole of `H_(2)O_(2)` decompose at 1 bar and 300 K, the work done (kJ) by one mole of `O_(2)(g)` as it expands against 1 bar pressure is
`2H_(2)O_(2) (l) overset(rarr)(larr) 2H_(2)O(l)+O_(2) (g)`
`(R=8.3 JK^(-1) mol^(-1))`

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