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Determine whether the reaction N(2) O...

Determine whether the reaction `N_(2) O_(4(g)) to 2NO_(2(g))`
is spontaneous at `25^(@)C` from the following data :
`Delta_(f)H_((N_(2)O_(4)))^(@) =9.16 kJ mol^(-1)`
`Delta_(f)H_((NO_(2)))^(@) = 33.2 kJ mol^(-1)`
`S_((N_(2)O_(4)))^(@) = 304.2 JK^(-1) mol^(-1) `
`S_(NO_(2))^(@) = 240 JK^(-1) mol^(-1) `
At what temperature will the reaction become spontaneous ?

Text Solution

Verified by Experts

`(i) Delta G^(@) = + 4.85 kJ .` Reaction is non- spontaneous
(ii) `T= 325 . 6 K`
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