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Explain the term 'entropy'....

Explain the term 'entropy'.

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ICSE-CHEMICAL THERMODYNAMICS -VERY SHORT ANSWER TYPE QUESTIONS
  1. In which direction does a spontaneous process proceed ?

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  2. Dissolution of ammonium chloride in water is an endothermic reaction, ...

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  3. Explain the term 'entropy'.

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  4. If a system absorbs q amount of heat at temperature T, what would be t...

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  5. Define the term absolute entropy.

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  6. Is the entropy of the universe constant ?

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  7. Amongst a gaseous substance and a liquid substance, which is expected ...

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  8. For a process to be spontaneous :

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  9. Which of the following are expected not to have zero entropy even at a...

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  10. What is the sign of DeltaS for a spontaneous reaction ?

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  11. How does the entropy change occur in the process of melting of a solid...

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  12. Write the expression which gives the entropy of vapourisation of a liq...

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  13. State and explain the second law of thermodynamics.

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  14. Gibbs Free Energy

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  15. What is the enthalpy of formation of the most stable form of an elemen...

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  16. What does the term T DeltaS("total") total represent ?

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

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  18. The free energy change DeltaG = 0, when

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  19. An endothermic process involves an increase in the entropy of the syst...

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  20. An exothermic reaction involves a decrease in the entropy of the syste...

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