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What is the sign of DeltaS for a spontan...

What is the sign of `DeltaS` for a spontaneous reaction ?

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ICSE-CHEMICAL THERMODYNAMICS -VERY SHORT ANSWER TYPE QUESTIONS
  1. For a process to be spontaneous :

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

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

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

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

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  6. State and explain the second law of thermodynamics.

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  7. Gibbs Free Energy

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

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

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

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  11. The free energy change DeltaG = 0, when

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

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

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  14. How is standard free energy change related to equilibrium constant ?

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  15. State the third law of thermodynamics.

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  16. What do you understand by the term thermochemistry ?

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  17. Can chemical energy be transferred into electrical energy? If yes, giv...

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  18. Assertion : DeltaH for an exothermic reaction is negative nad for an e...

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  19. Why is it necessary to mention the physical state of substances in a t...

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  20. Define heat of reaction.

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