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A system has internal energy equal to U(...

A system has internal energy equal to `U_(1), 450J` of heat is taken out of it and `600J` of work is done on it. The final energy of the system will be

A

`(E_(1)+150)`

B

`(E_(1)+1050)`

C

`(E_(1)-150)`

D

None of these

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The correct Answer is:
A
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ALLEN-THERMODYNAMICS -EXERCISE -2
  1. Both q & w are function & q + w is a function.

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  2. If work done by the system is 300 joule when 100 cal. Heat is supplied...

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  3. A system has internal energy equal to U(1), 450J of heat is taken out ...

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  4. The work done by a system is 8J, when 40J heat is supplied to it. Calc...

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  5. If a gas absorbs 200J of heat and expands by 500 cm^(3) against a cons...

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  6. Identify the state function among the following

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  7. Internal energy change during a reversible is isothermal expansion of ...

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  8. Under which of the following condition is the relation DeltaH = DeltaU...

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  9. The difference between the heats of reaction at constant pressure and ...

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  10. For a gaseous reaction, A(g) +3B(g) to 3C(g) +3D(g) triangleE is 17 Kc...

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  11. For the reaction CO(g)+(1)/(2)O(2)(g)rarr CO(2)(g) Which one of the ...

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  12. For the reaction Ag(2)O(s)rarr 2Ag(s)+1//2O(2)(g), which one of the fo...

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  13. A mixture of 2 mole of CO and 1 mol of O(2) is ignited. Correct relati...

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  14. For the gaseous reaction involving the complete combustion of iso-buta...

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  15. For the reversible isothermal expansion of one mole of an ideal gas at...

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  16. For CaCO(3)(s) to CaO(s)+CO(2)(g)" at " 977^(@)C, triangleH= "174kJ/mo...

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  17. Heat of reaction for, CO(g)+1//2O(2)(g)rarr CO(2)(g) at constant V is ...

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  18. The reaction: NH(2)CN(s) +(3)/(2)O(2)(g)rarr N(2)(g) +CO(2)(g) +H(2)...

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  19. Theenthalpy of vapourisation of water at 100^(@)C" is 40.63 kJ mol"^(-...

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  20. The difference in Delta H and Delta E for the combustion of methane at...

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