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An adiabatic expansion of an Ideal gas a...

An adiabatic expansion of an Ideal gas always has

A

decrease in temperature

B

`q=0`

C

`W=0`

D

`DeltaH=0`

Text Solution

Verified by Experts

The correct Answer is:
B
Since during adiabatic expansion of an ideal gas, no heat enters or leaves the system, `q=0`.
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DINESH PUBLICATION-CHEMICAL THERMODYNAMICS AND CHEMICAL ENERGETICS -Exercise
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  2. The intensive property among these quantities is

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  3. An adiabatic expansion of an Ideal gas always has

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  4. The favourable conditions for a spontaneous reaction are

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  5. In a closed insulated container, a liquid is stirred with a paddle to ...

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  6. C("diamond")toC("Graphite"), DeltaH=-ve. Then shows that

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  7. If a reaction involves only solids and liquid, which of the following ...

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  8. Mechanical work is specially important in systems that contain

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  9. The law formulated by Nernst is

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  10. Heat exchanged in a chemical reaction at constant temperature and pres...

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  11. Heat of combustion DeltaH^(@) for C(s),H(2)(g) and CH(4)(g) are 94, -6...

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  12. The enthalpy of formation of ammonia is - 46.2 mol^(-1). The enthalpy ...

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  13. The molar heat capacity of water at constant pressure, C(P) , is 75 JK...

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  14. What is the entropy change (in JK^(-1)mol^(-1)) when one mole of ice i...

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  15. For which one of the following equation is DeltaH(reaction)^(@) equal ...

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  16. If a 298K the bond energies of C-H,C-C,C=C and H-H bonds are respectiv...

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

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  18. In an irreversible process taking place at constant T and P and in whi...

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

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  20. The correct relationship between free energy change in a reaction and ...

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