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State the thermodynamicconditions of spontaneous occurence of a process. |
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Answer» Solution :For spontaneous occurrence,`DeltaG` of the processmustbe `( lt 0 , i.e., -ve`..This can be so under the following conditions `:` (i) `DeltaH ` is negative and`DeltaS` is POSITIVE( at any temperature). (ii) If `DeltaH` and`DeltaS` both are positive, then T should be so HIGH that`TDELTA Sgt Delta H`. (iii) If both `Delta H `and`DeltaS` are negative, then T should be solow that `T Delta ltDeltaH ` |
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