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Dissolution of ammonium chloride in wate...

Dissolution of ammonium chloride in water is an endothermic reaction, yet it is a spontaneous process. This is due to the fact that

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Because the process involves an increase in entropy
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ICSE-CHEMICAL THERMODYNAMICS -VERY SHORT ANSWER TYPE QUESTIONS
  1. Which of the following processes are spontaneous and which are non-spo...

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  2. In which direction does a spontaneous process proceed ?

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

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  4. Explain the term 'entropy'.

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

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  6. Define the term absolute entropy.

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  7. Is the entropy of the universe constant ?

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

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  9. For a process to be spontaneous :

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

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

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

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

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  14. State and explain the second law of thermodynamics.

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  15. Gibbs Free Energy

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

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

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

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  19. The free energy change DeltaG = 0, when

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

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