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What do you understand by a spontaneous ...

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

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ICSE-CHEMICAL THERMODYNAMICS -VERY SHORT ANSWER TYPE QUESTIONS
  1. Derive the following equation : Delta H = DeltaU + (Deltan) RT

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  2. What is the value for DeltaH for the given process, NaOH(aq) + HCl ...

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

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  4. Which of the following processes are spontaneous and which are non-spo...

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  5. In which direction does a spontaneous process proceed ?

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

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  7. Explain the term 'entropy'.

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

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  9. Define the term absolute entropy.

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  10. Is the entropy of the universe constant ?

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

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  12. For a process to be spontaneous :

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

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

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

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

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

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

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