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2 mole of zinc is dissolved in HCl at 25...

2 mole of zinc is dissolved in HCl at `25^(@)` C. The work done in open vessel is :

A

`-2.477 kJ`

B

`-4. 955 kJ`

C

`0.0489 kJ`

D

None

Text Solution

Verified by Experts

The correct Answer is:
B
`w=-P.DeltaV=-n_(H_(2))`
`RT=-(2xx8.314xx298)/(1000)=-4.955 " kJ"`
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NARENDRA AWASTHI-THERMODYNAMICS-Exercise
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  2. An ideal gas expand against a constant external pressure at 2.0 atmosp...

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  3. 2 mole of zinc is dissolved in HCl at 25^(@) C. The work done in open ...

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  4. 2 mole of an ideal gas at 27^(@)C expands isothermally and reversibly ...

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  5. A given mass of gas expands from state A to state B by three paths 1,2...

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  6. Heat energy absorbed by a system in going through a cyclic process sho...

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  7. In the cyclic process shown in the V-P diagram the magnitude of the wo...

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  8. An ideal gas is taken around the cycle ABCA as shown in P-V diagram. T...

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  9. The temperature of an ideal gas increases in an:

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  10. In following figs. Variation of volume by change of pressure is shown ...

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  11. If the door of a refrigerator is kept open, then which of the followin...

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  12. The temperature of an ideal gas increases in an:

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  13. For two mole of an ideal gas :

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  14. Which of the following expression is/are true ?

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  15. If liquefied oxygen at 1 atmospheric pressure is heated from 50K to 30...

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  16. For a closed container containing 100 mol of an ideal gas fitted with ...

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  17. 10 mole of ideal gas expand isothermally and reversibly from a pressur...

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  18. A heat engine carries one mole of an ideal monoatomic gas around the c...

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  19. What is the final temperature of 0.10 mole monoatomic ideal gas that p...

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