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Under which of the following condition i...

Under which of the following condition is the relation `DeltaH = DeltaU +P DeltaV` valid for a closed system at

A

constant pressure

B

constant pressure

C

constant temperature and pressure

D

constant temperature, pressure and composition

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The correct Answer is:
C
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OP TANDON-Chemical Thermodynamics and Thermochemistry-Objective Question Level-A
  1. If total enthalpy of reactants and products is H(R) and H(P) respectiv...

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  2. Calculate the work invoved when 1 mol of an ideal gas is compressed r...

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  3. Under which of the following condition is the relation DeltaH = DeltaU...

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  4. Which of the following is an endothermic reaction?

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  5. The formation of water from H(2)(g) and O(2)(g) is an exothermic proce...

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  6. Which of the following are applicable for a thermochemical equation ? ...

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  7. The enthalpies of all elements in their standard state at 25^(@)C and ...

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  8. Since the enthalpy of elements in their natural state is taken to be z...

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  9. The difference between the heats of reaction at constant pressure and ...

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  10. For a gaseous reaction, A(g)+3B(g)to3C(g)+3D(g),DeltaD is 17 kcal at 2...

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  11. At constant TandP,Which of the following statements is correct for the...

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  12. For the reaction, Ag(2)O(s)to2Ag(s)+(1)/(2)O(2)(g) which one of the fo...

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  13. Which one of the following is applicable for an adiabatic expansion of...

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  14. Assume each reaction is carried out in an open container. For which ...

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  15. Reaction, H(2)(g)+I(2)(g)to2HI,DeltaH=12.40kcal ltbr. According to thi...

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  16. For the reaction (i) H(2)(g)+Cl(2)(g)=2HCl(g)+xkJ (ii). H(2)(g)+Cl...

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  17. For the reactions, (i) H(2)(g)+Cl(2)(g)=2HCl(g)+xkJ (ii) 2HCl(g)=H...

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  18. According to equation, C(6)H(6)(l)+15//2 O(2)(g)rarr 6CO(2)(g)+3H(2)O(...

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  19. If DeltaH(f)(X), DeltaH(f)(Y), DeltaH(f)(R ) and DeltaH(f)(S) denote t...

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  20. The enthalpy change for the reaction, C(2)H(4)(g)+3O(2)(g)to2CO(2)(g...

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