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One mole of a gaseous system absorbs 100...

One mole of a gaseous system absorbs 100 J of heat and does work equivalent to 50 . J . Calculate the change in the internal energy of the system.

Text Solution

Verified by Experts

`DeltaU=q-w`
`=100-50=50J`
Since work is done by the system , it is ve.
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SURA PUBLICATION-THERMODYNAMICS -ADDITIONAL SHORT ANSWERS
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  2. Predict the change in internal energy for an isolated system at consta...

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  3. One mole of a gaseous system absorbs 100 J of heat and does work equiv...

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  4. Bring out the difference between extensive and intensive properties.

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  5. Distinguish the thermodynamic process depending upon heat absorbed or ...

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  6. Answer the following questions with respect to I law of thermodynamics...

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  7. Segregated the following as open , closed or isolated systems. (i) T...

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  8. Identify processes under the following conditions (i) dt = 0 (ii) d...

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  9. Identify the steps involved in the following cyclic process . Temperat...

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  10. Define standard heat of formation .

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  11. Give the application of Hess's law.

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  12. Heat is considered as a path function, but in an endothermic process ,...

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  13. Give the relation between DeltaU and DeltaH.

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  14. Define enthalpy .

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  15. Define standard enthalpy changes .

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  16. Application of the heat of combustion ?

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  17. Define the following. (a) Molar Heat of fusion (b) Molar Heat of v...

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  18. What are the applications of Bomb Calorimeter?

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  19. For an isolated system ,DeltaU=0 What will bs DeltaS ?

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  20. What happened to work when (i) gas expands against external pressur...

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