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There are two parts of a vessel. The pre...

There are two parts of a vessel. The pressure in one part is P and its volume is V. the volume of another part is 4V and there is vaccum in it. If the intervening wall is ruptured, then work done by the gas and change in its internal energy will be

A

`deltaw=2PV,dU=-ve`

B

`deltaW=3PV, dU=0`

C

`deltaW=0,dU=+ve`

D

`deltaW=0,dU=0`

Text Solution

Verified by Experts

The correct Answer is:
D
In free expansion `deltaW=0, dU=0`
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RESONANCE-KINETIC THEORY OF GASES AND THERMODYNAMICS-Exercise
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  2. If the molar specific heat of a gas at constant pressure is 7/2R, then...

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  3. The internal energy change in a system that has absorbed 2 kcal of hea...

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  4. If DeltaU and Delta W represent the increase in internal energy and wo...

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  5. A monoatomic gas at pressure P(1) and volume V(1) is compressed adiaba...

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  6. A mass of diatomic gas(gamma=1.4) at a pressure of 2 atomphere is comp...

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  7. When temperature of a gas is increased then which of the following sta...

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  8. A thermos flask contains coffee. It is vigorously sheken, considering ...

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  9. The work done by a gas taken through the closed process ABCA, see fig...

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  10. A thermodynamic system is taken through the cycle ABCD as shown in the...

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  11. For adiabatic process of an ideal gas the value of (dP)/P is equals to

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  12. The change in internal energy of two moles of a gas during adiabatic e...

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  13. isobaric modulus of elasticity is

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  14. The internal energy of one mole mono-atomic gas is

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  15. A carnot's engine works between a source at a temperature of 27^(@)C a...

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  16. If the ratio of specific heat of a gas of constant pressure to that at...

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  17. In an adiabatic process-

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  18. The amount of heat given to a system in a cyclic thermodynamical proce...

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  19. There are two parts of a vessel. The pressure in one part is P and its...

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  20. Statement-I: it is possible for both the pressure and volume of a mono...

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