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For the reaction, N(2(g)) + 3H(2(g)) rar...

For the reaction, `N_(2(g)) + 3H_(2(g)) rarr 2NH_(3(g))`. Heat of reaction at constant volume exceeds the heat of reaction at constant pressure by the value of xRT. The value of x is______

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The correct Answer is:
2
`Delta E - Delta H = - Delta ng RT = 2RT`
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