1.

The values of DeltaH and DeltaS for the reaction, C_(("graphite"))+CO_(2(g))rarr2CO_((g)) are 170 kJ and 170 JK^(-1), respectively. This reaction will be spontaneous at

Answer»

710 K
910 K
1110 K
510 K

Solution :`DELTAG=DeltaH-TDeltaS`
`0=(170xx10^(3)J)-T(170 JK^(-1))`
T=1000 K
For spontaneity, `DeltaG` is -ve
Hence T should be `gt` 1000 K/


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