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A gas in a closed container is heated wi...

A gas in a closed container is heated with 10 J of energy , causing the lid of the container to rise 2 m with 3 N of force. What is the total change in energy of the system ?

A

10J

B

4J

C

(-10)J

D

(-4)J

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CHETANA PUBLICATION-Thermodynamics-EXERCISE
  1. A refrigerator has a coefficient of performance 9. If the surrounding ...

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  2. A refrigerator works between 0^@C and 27^@C. If heat is to be removed ...

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  3. A gas in a closed container is heated with 10 J of energy , causing t...

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  4. Which of the following is an example of the first law of thermodynamic...

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  5. Efficiency of a Carnot engine is large when

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  6. The second law of thermpdynamics deals with transfer of

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  7. During refrigration cycle, heat is rejected by the refrigerant in the

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  8. Select and write correct alternative from the following alternatives: ...

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  9. State first law of thermodynamics.

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  10. Work done during expansion is positive. Explain.

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  11. State zeroth law of thermo dynamics? OR Give the characteristics of is...

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  12. Draw a neat labelled diagram to show the energy flow of heat engine.

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  13. State both the statements of second law of thermodynamics.

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  14. Mention the set of processesin a Carnot cycle.

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  15. Distinguish between Reversible and Irreversible process.

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  16. 5 mol of oxygen is heated at constant volume from 10^@C to 20^@C. Find...

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  17. An amount of heat of 100 cal is supplied to a gas. The work done by th...

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  18. An ideal gasin a cylinder is compressed adiabatically to one-third its...

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  19. Derive an expression for efficiency of Carnot cycle.

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  20. Derive an expression for work done in adiabatic process.

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