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If heat is supplied to an ideal gas in a...

If heat is supplied to an ideal gas in an isothermal process.

A

the internal energy of the gas will increase

B

the gas will do positive work

C

the gas will do negative work

D

the said process is not possible

Text Solution

Verified by Experts

The correct Answer is:
B
In isothermal process, U: constant `DeltaU=0`
`DeltaQ=DeltaW`
`DeltaQ=+ve=DeltaW`
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CP SINGH-LAWS OF THERMODYNAMICS-EXERCISE
  1. Assertion: The internal energy of an ideal gas does not change during ...

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  2. For an isothermal expansion of a perfect gas, the value of (DeltaP)/(P...

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  3. If heat is supplied to an ideal gas in an isothermal process.

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  4. In an isothermal process on an ideal gas, the pressure increases by 0....

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  5. The internal energy of a system remains constant when it undergoes (...

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  6. When an ideal gas in a cylinder was compreswsed isothermally by a pist...

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  7. During an isothermal expansion, a confined ideal gas does -150 J of wo...

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  8. A cyclic process is shown in the P-T siagram. Whech of the curves show...

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  9. A cyclic process ABCD is shown is shown in the following P-V diagram. ...

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  10. A cyclic process is shown on the P-T diagram. Which of the curve shown...

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  11. A gas is contained in a metallic cylinder fitted with a piston.The pis...

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  12. A cylindrical tube of uniform cross-sectional area A is fitted with tw...

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  13. The latent heat of vaporisation of water is 2240 J/gm. If the work don...

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  14. When 1g of water at 0^@C and 1xx10^5(N)/(m^2) pressure is converted in...

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  15. A vessel containing 5 litres of a gas at 0.8 m pressure is connected t...

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  16. A thermally insulated container is divided into two parts by a screen....

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  17. Each molecule of a gas has f degrees of freedom. The ratio gamma for t...

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  18. The molar heat capacity of a gas at constant volumes is CV. If n moles...

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  19. Let (Cv) and (Cp) denote the molar heat capacities of an ideal gas at ...

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  20. The molar heat capacity for an ideal gas cannot

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