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During isothermal expansion of an ideal ...

During isothermal expansion of an ideal gas, its internal energy

A

Decreases

B

Increases

C

May increase or decrease

D

Remain unchanged

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-CHEMICAL THERMODYNAMICS-OBJECTIVE EXERCISE - 1 (THERMODYNAMIC TERMS, FIRST LAW)
  1. The enthalpy is maximum for

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  2. The expression [Delta E//Delta T](V) represent

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  3. The heat of reaction at constant volume and temperature is represented...

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  4. Which of the following relationships is correct for a reaction involvi...

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

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  6. For which one of the following systems DE lt DH

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  7. When a reaction is conducted in an open vessel, the heat of reaction i...

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  8. Which of the following holds good to the laws of thermodynamics for th...

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  9. For which of the following reaction Delta H = Delta E + 2RT

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  10. For N(2) + 3H(2) rarr 2NH(3), enthalpy and internal energy changes res...

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  11. According to IUPAC conventions, which one of the following is/are corr...

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

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  13. Give the mathematical formulation of first law of thermodynamics.

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  14. A system absorbs 'xJ' heat and does "yJ" work. Its Delta E is +Ve when

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  15. In an adiabatic expansion of ideal gas:

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  16. During isothermal expansion of an ideal gas, its internal energy

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

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  18. Which of the one following is not a state function ?

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  19. Which of one following is applicable is applicable for an adiabatic ex...

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  20. At 27^@C, one mole of an ideal gas ocmpressed isothermally and reversi...

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