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What does the symbol DeltaH denote? Defi...

What does the symbol `DeltaH` denote? Define this quantity.

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MODERN PUBLICATION-THERMODYNAMICS-Revision Exercise (Very short answer questions)
  1. Define DeltaH.What will be the sign of DeltaH in (i) exothermic reac...

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  2. What does the symbol DeltaH denote? Define this quantity.

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  3. What is calorific value of a fuel?

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  4. What is the basic difference between the two notations Delta(r)H and D...

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  5. How is enthalpy of sublimation related to enthalpy of fusion and entha...

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  6. What is enthalpy of combustion? Write chemical equation for the enthal...

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  7. The standard enthalpy of formation of sulphur dioxide (SO(2)) is -296....

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  8. Define enthalpy of fusion.

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  9. Define Hess's law of constant heat summation.

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  10. What is meant by bond dissociation enthalpy?

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  11. Ammonia is prepared as 3H(2)(g) + N(2)(g) to 2NH(3)(g) What should...

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  12. State first law of thermodynamics.Write it mathematical expression.

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  13. Why are we usually concerned with changes in enthalpy than changes in ...

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  14. Name the two criteria which must be met for a process to be spontaneou...

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  15. Give an example of a chemical reaction for which DeltaH^(@) gt DeltaU^...

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  16. Why do we feel cold on touching a block of ice?

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  17. Delta(f)H^(@) of Fe(2)O(3) is -825 kJ. What is the enthalpy change for...

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  18. The standard enthalpies of formation of three substances A, B and C ar...

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  19. Define molar heat capacity and specific heat capacity.

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  20. What are the units of entropy and free energy?

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