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A sample of gas changes from p(1), V(1) ...

A sample of gas changes from `p_(1), V_(1)` and `p_(2)`. `V_(2) and T_(2)` by one path and then back to `p_(1), V_(1) and T_(1)`. `Delta U` for the process is :

A

Infinite

B

`gt 0`

C

`lt 0`

D

equal to 0

Text Solution

Verified by Experts

The correct Answer is:
D
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MODERN PUBLICATION-THERMODYNAMICS-Multiple Choice Questions (Level-II)
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  3. An endothermic reaction is allowed to occur very rapidly in the air. T...

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  8. Four grams of helium is expanded from 1 atm to one-tenth of its origii...

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  11. For a reaction, X + Y rarr Z there is no entropy charge. Enthaply ...

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  12. The difference between heats of reaction at constant pressure and cons...

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  13. Given : H(2)(g) + (1)/(2) O(2)(g) = H(2)O(g) + q(1) H(2)(g) + (1)/...

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  14. If CH(3)COOH + OH^(-) rarr CH(3)COO^(-) + H(2)O + x kJ H^(+) + OH^(-...

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  15. The heat of neutralisation of HCl and NaOH is 57.3 kJ "mol"^(-1). The ...

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  16. Given that O(g) + e^(-) rarr O^(-)(g) Delta H = - 142 kJ mol^(-1) O(...

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  17. Equal volumes of 1 M HCl and H(2)SO(4) are neutralised by dil NaOH sol...

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  18. For an ideal gas, the Joule Thomson co-efficient is equal to

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  19. The enthalpies of combustion of some fuels are given below. Which of t...

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