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What is entropy and in what units is it ...

What is entropy and in what units is it expressed ? Discuss the physical significance of entropy.

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ICSE-CHEMICAL THERMODYNAMICS -SHORT ANSWER TYPE QUESTIONS
  1. Can DeltaH be regarded as the sole criterion to explain the spontaneit...

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

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

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

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

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  6. Is the entropy of the universe constant ?

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

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

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

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

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  11. State and explain the second law of thermodynamics.

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  12. Gibbs Free Energy

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

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

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

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  16. For the process A+ B to C + D, DeltaG is positive. Comment on the spon...

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  17. What are spontaneous processes ? Mention the conditions for a reaction...

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  18. What is entropy ? State the effect of increased temperature on the ent...

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  19. State the thermodynamic conditions for spontaneous occurrence of a pro...

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  20. DeltaH and DeltaS are positive for a chemical reaction. Under what con...

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