1.

Both compartments in the above diagram are larege and contain ideal gas. The initial conditions are mentioned in the diagram. Select the correct statement(s).

Answer»

`DeltaSgt0ifT_(A)gtT_(B)`
`DeltaSgt0ifT_(A)ltT_(B)`
`DeltaS=0ifT_(A)=T_(B)`
`DeltaU=0` no MATTER what is the relationship between `T_(A)`and`T_(B)`

SOLUTION :`dS=dS_(A) + dS_(B)`
`(dU_(A))/(T_(A))+(dU_(B))/(T_(B))=(dU_(A))/(T_(A))(dU_(A))/(T_(B))=dU_(A)((1)/(T_(A))-(1)/(T_(B)))`


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