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Using the first law of thermodynamics, S...

Using the first law of thermodynamics, Show that `DeltaU = q_v`.

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ICSE-CHEMICAL THERMODYNAMICS -SHORT ANSWER TYPE QUESTIONS
  1. Give the limitations of the first law of thermodynamics.

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  2. Define internal energy of a system.

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  3. Using the first law of thermodynamics, Show that DeltaU = qv.

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  4. Define enthalpy and enthalpy change. Show that DeltaH = qp.

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  5. Define enthalpy. Show that the change in enthalpy at constant pressure...

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  6. Establish a relationship between DeltaH and DeltaU. Under what conditi...

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  7. Predict whether the reaction, H - H (g) + Cl - Cl(g) to 2H - Cl (g),...

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  8. State and explain the second law of thermodynamics.

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  9. State a chemical reaction in which DeltaH and DeltaU are equal.

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  10. What is meant by the term 'free energy'? What was the necessity of int...

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  11. Define enthalpy and enthalpy change. Show that DeltaH = qp.

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

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  13. Explain the term 'entropy'.

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  14. State giving reason whether the following reaction would involve an in...

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

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  16. What do you understand by the spontaneity of a process ? Discuss the s...

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  17. Can DeltaH be regarded as the sole criterion to explain the spontaneit...

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  18. With the help of at least two examples show that randomness increases ...

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  19. What is entropy and in what units is it expressed ? Discuss the physic...

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  20. For the reaction 2H(g)rarr H(2)(g), the sign of DeltaH and DeltaS resp...

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