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What is the origin of internal energy of...

What is the origin of internal energy of a system? Why cannot absolute value of internal energy be determined?

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CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-WARM UP EXERCISE
  1. One mole of an ideal gas participates in a cylic reversible process as...

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  2. Why is a process occurring in an open container considered to be an is...

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  3. What is the origin of internal energy of a system? Why cannot absolute...

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  4. Why is the internal energy of a system a state function?

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  5. Is the internal energy of a system at 25^(@)C greater or less than its...

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  6. In the process AtoBtoC, the change in internal energy of the system in...

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  7. What do you mean by heat and work in thermodynamics?

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  8. When heat (q) is absorbed by a system, the sign of q is positive, and ...

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  9. When work (w) is done by the system, the sign of w is negative. But wh...

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  10. Which is not a state function: (q+w),w,H,G ?

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  11. In a process, a system absorbs 500J of heat performs 800J of work. In ...

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  12. In a process, a system releases 500J of heat and work done on the syst...

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  13. A certain amount of a gas participates in the cyclic process ABCD (fol...

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  14. Under which condition will the pressure-volume work be, w=- underset(V...

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  15. Calculate the work done in the following process which an ideal gas un...

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  16. A particular amount of gas participates separately in the two process ...

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  17. In which of the following reactions is the work done zero? Assign the ...

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  18. Why does the total energy of an isolated system remains constant?

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  19. Write down the mathematical form of the first law of thermodynamics fo...

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  20. According to the first law of thermodynamics, DeltaU=q+w. Write down t...

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