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Explain the term 'entropy'....

Explain the term 'entropy'.

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ICSE-CHEMICAL THERMODYNAMICS -SHORT ANSWER TYPE QUESTIONS
  1. Define enthalpy and enthalpy change. Show that DeltaH = qp.

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  2. What is the free energy criterion for a process to occur spontaneously...

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  3. Explain the term 'entropy'.

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  4. State giving reason whether the following reaction would involve an in...

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  5. What do you understand by a spontaneous process ? Give two examples

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  6. What do you understand by the spontaneity of a process ? Discuss the s...

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  7. Can DeltaH be regarded as the sole criterion to explain the spontaneit...

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  8. With the help of at least two examples show that randomness increases ...

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  9. What is entropy and in what units is it expressed ? Discuss the physic...

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  10. For the reaction 2H(g)rarr H(2)(g), the sign of DeltaH and DeltaS resp...

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  11. What happens to the entropy when a gas undergoes expansion ? Explain.

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  12. Is the entropy of the universe constant ?

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  13. State and explain the second law of thermodynamics. Mention the essent...

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  14. Show that the entropy changes in a reversible isothermal process is ze...

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  15. Show that the entropy change in an irreversible process is always posi...

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  16. Define 'entropy of fusion' and 'entropy of vapourisation and write exp...

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  17. State and explain the second law of thermodynamics.

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  18. Gibbs Free Energy

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  19. Derive the equation, DeltaG = DeltaH - T DeltaS.

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  20. Give 2 points of difference between molarity and molality.

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