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Write the relationship between Delta H a...

Write the relationship between `Delta H and Delta U` for the reaction.
`C(s) + O_(2) (g) rarr CO_(2) (g)`

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CBSE COMPLEMENTARY MATERIAL-CHEMICAL THERMODYNAMICS-1-Mark Questions
  1. Why Delta H is more significant than Delta U ?

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  2. Write one example each of extensive and instensive properties.

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  3. Write a chemical equation in which Delta H and Delta U are equal.

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  4. Write the relationship between Delta H and Delta U for the reaction. ...

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  5. Define standard enthalpy of formation.

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  6. Why standard heat of formation of diamond is not zero though it is an ...

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  7. The enthalpy of atomization of CH(4) is 1665 kJ mol^(-1). What is the ...

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  8. Identify the species for which Delta(f) H^(theta) = O(3), at 298 K, Br...

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  9. For the reaction 2Cl(g) rarr Cl(2)(g), what are the signs of DeltaH ...

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  10. For an isolated system, DeltaU = 0 , what will be DeltaS?

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  11. Why entropy of steam is more than that of water at its boiling point?

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  12. Out of Diamond and Graphite which has higher entropy?

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  13. Write an example of endothermic spontaneous reaction.

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  14. State second law of thermodynamics.

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  15. State the third law of thermodynamics.

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  16. Which has more entropy ? 1 mol H(2)O (I) " at " 25^(@)C or 1 mol H(2)O...

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  17. At what temperature the entropy of a perfectly crystalline solid is z...

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  18. For a certain reaction Delta G^(theta) = 0, what is the value of K(c )...

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  19. How can a non spontaneous reaction be made spontaneous ?

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  20. For a reaction both Delta H and Delta S are negative. Under what condi...

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