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6 what is the change in internal energy ...

6 what is the change in internal energy when a gas contracts from 377 ml to 177 ml under a constant pressure of 1520 torr, while at the same time being cooled by removing 124 J heat? [Take (1 L atm)= 100J]

A

`-24J`

B

`-84J`

C

`-164J`

D

`-248J`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-CHEMICAL THERMODYNAMICS-Practice Sheet-Exercise-I
  1. Assertion: An isothermal process is always an isolated one. Reason: ...

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  2. What is DU for the process described by figure. Heat supplied during t...

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  3. 6 what is the change in internal energy when a gas contracts from 377 ...

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  4. The heat capacity of liquid water is 75.6 J/mol K, while the enthalpy ...

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  5. Statement -I : There is no change in enthalpy of an ideal gas during c...

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  6. Molar heat capacity of water in equilibrium with ice at constant press...

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  7. Which of the following statements is false?

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  8. On which of the following factors does internal energy depend upon

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  9. The enthalpy is maximum for

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  10. The different between DeltaH and DeltaE for the reaction BaCl(2(aq)) ...

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  11. For the gaseous reaction involving the complete combustion of isobutan...

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  12. During a process work equivalent to 400J is done on a system, which gi...

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  13. A system absorbs 10kJ of heat at constant volume and its temperature r...

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  14. Which of the following come under the view of thermodynamics?

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  15. During expansion of a gas into vaccum (P("ext")=0), Work done is zero ...

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  16. In the isothermal expansion of an ideal gas

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  17. Which has/have a positive value of DeltaH?

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  18. The following is/are extensive property/properties

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  19. If the boundary of system moves by an infinitesimal amount, the work i...

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  20. If the boundary of system moves by an infinitiesimal amount, the work ...

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