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State and explain the second law of ther...

State and explain the second law of thermodynamics. Mention the essential conditions for the spontaneity of a chemical reaction.

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ICSE-CHEMICAL THERMODYNAMICS -SHORT ANSWER TYPE QUESTIONS
  1. What happens to the entropy when a gas undergoes expansion ? Explain.

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  2. Is the entropy of the universe constant ?

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

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

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

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

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  7. State and explain the second law of thermodynamics.

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  8. Gibbs Free Energy

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

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

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

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

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

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

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

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

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  17. What is meant by free energy of a substance ? How is it related to its...

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  18. Define and explain the term entropy of a system. Illustrate it using a...

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  19. Comment on the spontaneity of a process when DeltaH gt 0, T Delta Sgt...

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  20. Comment on the spontaneity of a process when DeltaH gt 0, T DeltaS l...

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