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Is the internal energy of a system at 25...

Is the internal energy of a system at `25^(@)C` greater or less than its internal energy at `50^(@)C`?

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Internal energy of a system increases with rise in temperature. So, the internal energy of a system will be greater at `50^(@)C` than that at `25^(@)C`.
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CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-WARM UP EXERCISE
  1. What is the origin of internal energy of a system? Why cannot absolute...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. Among the following processes identify those in which the change in in...

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  20. A closed system undergoes a process AtoB. If it occurs reversible, the...

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