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What is a spontaneous process? For the...

What is a spontaneous process?
For the equilibrium `A+2BhArrC`
`DeltaH` is `+400kJ` and `DeltaS` is `+200JK^(-1)`
Calculate the temperature above the reaction becomes spontaneous?

Text Solution

Verified by Experts

The process that takes place on its own without the assistance of external agency is called spontaneous process. `DeltaG=DeltaB-TDeltaS`
At equilibrium `DeltaG=0`
`TDeltaS=DeltaH`
`T=(DeltaH)/(DeltaS)=(400J)/(200J//k)=(cancel(400)xx10^(3)cancel(J))/(cancel(360_(1))cancel(J)//k)`
`T=2000K`
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