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What is meant by free energy of a substa...

What is meant by free energy of a substance ? How is it related to its enthalpy and entropy?

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ICSE-CHEMICAL THERMODYNAMICS -SHORT ANSWER TYPE QUESTIONS
  1. What are spontaneous processes ? Mention the conditions for a reaction...

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

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

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

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

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

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

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

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

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

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  11. Discuss the effect of temperature on the spontaneity of a process.

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

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  13. Discuss the relation between free energy and EMF.

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  14. State the third law of thermodynamics.

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  15. Why is heat evolved or absorbed in a chemical reaction ?

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  16. What do you understand by exothermic and endothermic reactions ? How a...

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  17. What do you understand by standard enthalpy of a reaction and how is i...

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  18. Define heat of formation.How is it useful in the calculation of the he...

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  19. Calculate the calorific value of sugar if its heat of combustion is 56...

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  20. Why is heat of neutralisation for a strong acid and strong base consta...

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