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During an isothermal expansion of an ide...

During an isothermal expansion of an ideal gas,

A

the internal energy increases

B

the temperature decreases

C

the internal energy remains unchanged

D

the internal energy decreases

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CHETANA PUBLICATION-Chemical Thermodynamics-EXERCISE
  1. Identify the state function among the following.

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  2. Energy equivalent to one erg, one joule, and one calorie in the increa...

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  3. During an isothermal expansion of an ideal gas,

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  4. Which one of the following statements is incorrect?

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  5. The temperature of the system decreases in an

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  6. For a cyclic process, which of the following is correct ?

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  7. A gas absorbs 100 calories of heat energy and is compressed from 10.0 ...

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  8. Work done in vaporization of 1 mole of water at 373K against a pressur...

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  9. A gas can expand from 100 mL to 250 mL under a constant pressure of 2 ...

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  10. 2 xx 10^(-3) kg of H2 and 32 xx 10^(-3) kg of O2 separately expand rev...

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  11. Two moles of an ideal gas expand spontaneously into a vacuum. The work...

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  12. When an ideal gas expands in vacuum, no work is done because

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  13. Which of the following is a non-spontaneous process?

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  14. Which of the following is not a state function?

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  15. A gas absorbs 250J of heat and expands from 1 litre to 10 litre at con...

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  16. Which of the following is not correct about enthalpy?

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  17. If the pressure of asystem isnot fixed, the enthalpy change can be def...

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  18. The difference between heats of reaction at constant pressure and cons...

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  19. During the evaporation of a liquid,

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  20. For an endothermic reaction,where DeltaH represents the enthalpy of th...

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