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The sum of the internal energy of the sy...

The sum of the internal energy of the system and the energy that arises due to its pressure and volume is called ______ of the system.

A

internal energy

B

enthalpy

C

entropy

D

free energy

Text Solution

Verified by Experts

The correct Answer is:
B
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TARGET PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS -EVALUATION TEST
  1. The sum of the internal energy of the system and the energy that arise...

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  2. The enthalpy change for a reaction does not depend upon:

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  3. The internal energy change when a system goes fromk state A to B is 40...

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  4. Following gases have equal masses at the same temperature, pressure an...

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  5. The standard enthalpy of formation (Delta(f)H^(@)) at 298K for methan...

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  6. (Delta H - Delta U) for the formation of carbon monoxide (CO) from its...

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  7. Identify the correct statement regarding a spontaneous process.

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  8. Standard entropy of X(2) , Y(2) and XY(3) are 60, 40 and 50JK^(-1)mol...

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  9. The heats of neutralisation of CH3 - COOH , H-COOH,HCN and H2 S are -1...

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  10. The bond dissociation energy of gaseous H(2), Cl(2) and HCl are 104, 5...

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

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  12. Given standard enthalpy of formation of CO(-110 "KJ mol"^(-1)) and CO(...

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  13. H(2)(g)+1//2O(2)(g)=H(2)O(l) , Delta H(298 K)=-68.32 Kcal. Heat of vap...

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  14. The heat change at constant volume for the decomposition of silver (I)...

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  15. Which of the following value of DeltaH(f)^(@) represent that the produ...

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  16. The enthalpy change (DeltaH) for the process N2H(4(g)) to 2N((g)) + 4H...

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  17. For the two equations given below: H(2)(g)+1//2O(2)(g)toH(2)O(l)+x(1...

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  18. For an endothermic reaction, where Delta H represents the enthalpy of ...

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  19. The entropy chnge for a non-spontaneous reaction is 140 J/K.mole at 29...

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  20. The entropy change for a certain non-spontaneous reaction is 150 J/K.m...

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  21. C(2)H(4) +CI(2) rarr C(2)H(4)CI(2) DeltaH =- 270.6 kJ mol^(-1)K^(-1)...

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