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Given the following reactions with their enthalpy changes, at 25^(@)C, N_(2)(g)+2O_(2)(g) to 2NO_(2)(g),DeltaH=16.18 kcal N_(2)(g)+2O_(2)(g) to N_(2)O_(4)(g),DeltaH=2.31 kcal Calculate the enthalpy of dimerisation of NO_(2) . Is N_(2)O_(4) apt to be stable with respect to NO_(2) at 25^(@)C ? |
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