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A cylindrical chamber A of uniform cross...

A cylindrical chamber `A` of uniform cross section is divided into two parts `X` and `Y` by a movalbe piston `P` which can slide without friction inside the chamber. Initially part `X` contains `1 "mol"` of a monochromatic gas and `Y` contains `2 mol` of a diatomic gas, and the volumes of `X` and `Y` are in the ratio `1:2` with both parts `X` and `Y` being at the same temperature `T`. Assuming the gases to be ideal, the work `W` that will be done in moving the piston slowly to the position where the ratio of the volumes of `X` and `Y` is `2:1` will be

A

`-5.8 T`

B

`8.3 T`

C

`12.3 T`

D

zero

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The correct Answer is:
A
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RESNICK AND HALLIDAY-THE FIRST LAW OF THERMODYNAMICS-PRACTICE QUESTIONS ( SINGLE CORRECT CHOICE TYPE )
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  11. The slope of isothermal and adiabatic curves are related as

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  14. In an adiabatic process

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  16. The pressure and volume of a gas are changed along the path ABCA. Usin...

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  17. The temperature of a monatomic ideal gas remains constant during a pro...

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  18. Heat is added isothermally to 2.5 mol of a monatomic ideal gas. The te...

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  19. One mole of a monatomic ideal gas has an initial pressure, volume, and...

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  20. Suppose a monatomic ideal gas is contained within a vertical cylinder ...

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