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Statement-I : The amount of work done in...

Statement-I : The amount of work done in the isothermal expansion is greater than work done in the adiabatic system for same final volume.
Statement-II: In the adiabatic expansion of a gas temperature and pressure both decrease due to decrease in internal energy of the system.

A

Statement-1 is true, statement-2 is true and statement-2 is correct explanation for statement-1

B

Statement-1 is true, statement-2 is true and statement-2 is NOT correct explanation for statement-1

C

Statement-1 is true, statement-2 is false

D

Statement-1 is false, Statement-2 is true

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-CHEMICAL THERMODYNAMICS-Practice Sheet- Exercise-II
  1. Assertion: Under adiabatic free expansion, ((dU)/(dV))(T) is +ve when ...

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  2. Statement-I : The amount of work done in the isothermal expansion is g...

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  3. 1 mole of CaC(2), Mg(2)C(3) and Al(4)C(3 react with water in separate ...

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  4. Assertion: Heat of neutralization of HF acid is more than that of HCl ...

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  5. At 375K and at a total pressure of one atmosphere sulphuryl chloride (...

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  6. Statement -I: Heat of neutralization of HCl and NaOH is same as that o...

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  7. Which are of the following is an exothermic reaction?

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  8. For which of the following elements, the standard enthalpy is not zero...

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  9. The enthalpy of elements in their standard states are taken as zero. H...

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  10. Enthalpy of neutralisation of all strong acids and strong bases has th...

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  11. The heats of combustion of carbon,hydrogen and acetylene are -394kJ, -...

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  12. The standard enthalpies of formation of H(2)O(2(l)) and H(2)O((l)) are...

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  13. Given C+ 2S rarr CS(2), DeltaHf^(0) = +117.0 KJ mol^(-1), C + O(2) rar...

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  14. The lattice energy of solid NaCl is 180K. Call per mol. The dissolutio...

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  15. The enthalpy of solution of BaCl(2)(s) and BaCl(2).2H(2)O(s) " are " -...

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  16. Hess's law states that

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  17. Equal volumes of equi molar HCl and H(2)SO(4) are separately neutralis...

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  18. The bond dissociation energies for Cl(2),I(2) and Icl are 242.3, 151 a...

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  19. Enthalpy of neutralisation of H(3)PO(3) acid is -106.68kJ//mol using N...

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  20. If DeltaH(f)^(0) " for" H(2)O(2(l)) and H(2)O((l)) " are " -188 kJ mol...

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