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In which process net work done is zero ?...

In which process net work done is zero ?

A

Cyclic

B

Isobaric

C

Adiabatic

D

Free expansion

Text Solution

Verified by Experts

The correct Answer is:
D
`W=-pDeltaV` (p=zero iin vacuum)
`thereforeW=0`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-CHEMICAL THERMODYNAMICS AND ENERGETIC-Exercise 1
  1. Five moles of a gas is put through a series of changes as shown graphi...

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  2. A process in which the system does not exchange heat with the surround...

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  3. In which process net work done is zero ?

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  4. Which of the given properties depends on the manner in which a change ...

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  5. Which is correct for an endothermic reaction ?

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  6. If a refrigerator's door is opened then, we get

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  7. Match the columns for the different types of system in thermomdynamics...

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  8. The change in the internal energy for an isolated system at constant v...

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  9. If a gas, at constant temperature and pressure expands, then its

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  10. Select the correct statement(s).

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  11. Which of the following statement/expression is/are correct?

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  12. In a process, 701 J of heat is absorbed by a system and 394 J of work ...

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  13. Which of the following is the correct expression for the change in int...

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  14. The change in internal energy for an isolated system at constannt volu...

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  15. For the equilibrium, A(g)hArrB(g),DeltaH is -40kJ//mol, if the ratio o...

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  16. Based on the first law of thermodynamics, which one of the following s...

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  17. Select the correct statement/expression about the graph.

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  18. If 1 mole of an ideal gas exapands isothermally at 37^(@)C from 15 L t...

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  19. An ideal gas expands from 10^(-3) m^(3) to 10^(-2) m^(3) at 300 K agai...

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  20. For an ideal gas, pressure (p) and interal energy (E ) per unit volume...

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