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Show that for an ideal gas the differenc...

Show that for an ideal gas the difference between the molar heat capacities at constant pressure and at constant volume is equal to the universal gas constant (R).

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What is universal gas constant?

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Show that the difference between the heat of reactionn at constant pressure (q_P or DeltaH) and that at constant volume (q_(V) or DeltaU) is PDeltaV .

The dimension of R (universal gas constant) is-

Molar heat capacity of a substance at constant pressure is ______than that at constant volume.

Prove that C_(p) - C_(v) = R , where C_(p) and C_(v) are the molar specific heats at constant pressure and constant volume respectively and R is the universal gas constant.

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Using first law of thermodynamics derive the relation between specific heat at constant pressure and constant volume.

CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-SHORT TYPE QUESTIONS
  1. Why does the internal enegy of a system increases with rise in tempera...

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  2. What does pressure-volume work mean? Why is it considered that work do...

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  3. Show that for an ideal gas the difference between the molar heat capac...

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  4. In case of a solid or a liquid substance C(P,m)~~C(V,m), but in case o...

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  5. For liquid ethanol at 25^(@)C,DeltaH(f)^(0)=-277.69kJ*mol^(-1). Repres...

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  6. Reaction enthalpy for an exothermic reaction is negative- why?

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  7. For which of the following reactions does the standard enthalpy of rea...

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  8. Given: C(graphite, s)+O(2)(g)toCO(2)(g),DeltaH^(0)=x(1) C(graphite, ...

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  9. At 25^(@)C,DeltaH(f)^(0)=0 for graphite, but for diamond DeltaH(f)^(0)...

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  10. Mention two applications of Hess's law.

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  11. "At 25^(@)C, the standard heat of combustion of graphite is -94300cal*...

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  12. "At 25^(@)C, the standard heat of formation of H(2)O(l) is -285.83kJ*m...

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  13. (1)/(2)A(2)(g)+(1)/(2)B(2)(g)toAB(g),DeltaH=-50kcal. If the bond energ...

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  14. C(s)+(1)/(2)O(2)(g)toCO(g),DeltaH=-110.4kJ. Does this DeltaH represent...

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  15. Give two examples of spontaneous process.

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  16. When an adiabatic process is said to be an isoentropic process ?

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  17. An exothermic reaction associated with decrease in entropy takes place...

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  18. What are the conditions of spontaneity and equilibrium for a process i...

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  19. Cl(g)+Cl(g) toCl(2)(g). What will be the sign of DeltaH and DeltaS in ...

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  20. Why is soild NaCl soluble in water although enthalpy of solution for N...

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