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Define enthalpy of reaction....

Define enthalpy of reaction.

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The enthalpy of a reaction at 273 K. is -3.57 KJ. What will be the enthalpy of reaction at 373 K if DeltaC_(p) = zero :-

Describe how does the enthalpy of reaction remain unchanged when a catalyst is used in the reaction?

Choose the reaction, for which the standard enthalpy of reaction is equal to the standard enthalpy of formation:

The enthalpy of reaction is maximum in which of the following reaction?

The enthalpy of reaction does not depend upon:

Which of the following expressions is correct to calculate enthalpy of a reaction ?

What is the basic difference between enthalpy of formation and enthalpy of reaction? Illustrate with suitable examples.

Dimerisation of NO_2, is an exothermic reaction. If enthalpy of reaction is /_\H, then the minimum value of activation energy for forward reaction (E_a) will be

For an endothermic reaction, where Delta H represents the enthalpy of reaction in kJ mol^(-1) , the minimum value for the energy of activation will be

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ICSE-CHEMICAL THERMODYNAMICS -ESSAY (LONG ANSWER) TYPE QUESTIONS
  1. What is internal energy and internal energy change? What is its signif...

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

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  3. Define enthalpy of reaction.

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  4. Discuss the relationship between DeltaU, DeltaH , qp and w for the di...

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  5. Show that the heat absorbed at constant volume is equal to the increas...

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  6. State and explain the second law of thermodynamics.

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  7. What do you understand by spontaneous and non spontaneous processes ? ...

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

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  9. What is entropy and how is it related to the spontaneity of a process?

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  10. Show that the entropy changes in a reversible isothermal process is ze...

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  11. Define the following and write expressions for calculating each of the...

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  12. Define the following and write expressions for calculating each of the...

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  13. Define the following and write expressions for calculating each of the...

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  14. How would you calculate the entropy change in a chemical reaction ? Ho...

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  15. What is Gibbs free energy ? Derive the relation, DeltaG = DeltaH - T D...

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  16. What is the status of a process when (i) Delta G lt 0 (ii) DeltaG = 0 ...

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  17. Discuss the effect of temperature on the spontaneity of a process when...

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  18. Discuss the effect of temperature on the spontaneity of a process when...

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  19. State the third law of thermodynamics.

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  20. What do you understand by enthalpy and change in enthalpy? Why does a ...

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