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Three moles of an ideal gas expanded spo...

Three moles of an ideal gas expanded spontaneously into vaccum. The work done will be

A

3 Joule

B

9 Joule

C

Zero

D

Infinite

Text Solution

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The correct Answer is:
C
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ALLEN-THERMODYNAMICS -EXERCISE -1A
  1. The values of DeltaH and DeltaS for the reaction, C("graphite")+CO(2...

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  2. For vaporization of water at 1 atmospheric pressure the values of Delt...

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  3. Three moles of an ideal gas expanded spontaneously into vaccum. The wo...

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  4. The following two reactions are known : Fe(2)O(3)(s) + 3 CO(g) rightar...

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  5. Standard entropies of X(2), Y(2) and XY(3) are 60, 40 and 50 JK^(–1) m...

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  6. Intensive property is :-

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  7. In which of following there is decrease in entropy :-

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  8. Which of the following is not a state function?

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  9. If the enthalpy change for the transition of liquid water to steam is ...

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  10. Enthalpy change for the reaction, 4H(g) to 2H2(g) is -869.6 kJ Th...

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  11. Which of the following is correct option for free expansion of an idea...

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  12. Consider the following processes : {:(,DeltaH(kJ//"mol")),(1/2ArarrB...

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  13. The enthalpy of formation of CO(g), CO(2)(g),N(2)O(g) and N(2)O(4)(g) ...

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  14. For adiabatic process which is correct -

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  15. Which of the following is not thermodynamical function /

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  16. Which of the following is intensive property?

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  17. In which of the following reactions, standard reaction entropy changes...

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  18. Standard enthalpy of vaporisation Delta("vap")H^(@) for water at 100^(...

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  19. The enthalpy of fusion of water is 1.435 kcal/mol. The molar entropy c...

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  20. The Gibbs energy for the decomposition of Al2O3 at 500^@C is as follow...

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