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What do you mean by the standard state o...

What do you mean by the standard state of a substance? Is `25^(@)C` the standard temperature?

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CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-WARM UP EXERCISE
  1. H(2)(g)+(1)/(2)O(2)(g)toH(2)O(l),DeltaH=-285.8kJ. What will be the val...

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  2. Show that the difference between the heat of reactionn at constant pre...

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  3. What do you mean by the standard state of a substance? Is 25^(@)C the ...

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  4. Why is the concept of standard state necessary? What do you mean by th...

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  5. Mention the standard states of the following elements at 25^(@)C and 1...

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  6. Why is DeltaH=DeltaU for the following two reactions? Explain. (i) N...

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  7. Why does the value of DeltaH for a chemical reaction depend on the phy...

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  8. Give an example of a reaction for each of the following relations betw...

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  9. Give an example of a physical change for each of the following relatio...

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  10. For which element in each of the following pairs has the standard heat...

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  11. In which of the following reactions At 25^(@)C, does the standard enth...

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  12. Which one of the given reactions indicates the formation reaction of t...

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  13. At 25^(@)C the standard heat of formation of liquid benzene is +49.0 k...

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  14. The standard heat of combustion of solid naphthalene [C(10)H(8)(s)] at...

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  15. Give an example of a combustion reaction whose standard enthalpy chang...

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  16. The standard enthalpy of combustion of C(x)H(y)(l) at 25^(@)C is Q kJ*...

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  17. The standard heats of combustion of CH(4)(g) and C(2)H(6)(g) are -890k...

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  18. Define: (i) Enthalpy of fusion, (ii) Enthalpy of vaporisation, (iii) E...

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  19. Identify whether the enthalpy of the initial state is greater than, le...

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  20. At a given temperature and pressure, the enthalpies of condensation an...

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