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A gas absorbs 250J of heat and expands f...

A gas absorbs 250J of heat and expands from 1 litre to 10 litre at constant temperature against external pressure of 0.5atm. The values of q, w and `DeltaU` will be respectively

A

`-250 J, 455J,710J`

B

`250 J, -455J,-205J`

C

`-250 J, -455J,-205J`

D

`-250 J, 455J,205J`

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CHETANA PUBLICATION-Chemical Thermodynamics-EXERCISE
  1. Which of the following is a non-spontaneous process?

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

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  3. A gas absorbs 250J of heat and expands from 1 litre to 10 litre at con...

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  4. Which of the following is not correct about enthalpy?

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  5. If the pressure of asystem isnot fixed, the enthalpy change can be def...

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

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  7. During the evaporation of a liquid,

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  8. For an endothermic reaction,where DeltaH represents the enthalpy of th...

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  9. You are given the following two reactions : CH(4(g))+2O(2(g))rarrCO(2(...

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  10. The activation energy of exothermic reaction is 20 kj. The heat of the...

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  11. Translational energy is not prossessed by

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  12. The internal energy of a system can be changed by

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  13. The change in the internal energy of a system for 1 mole of a gas is e...

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  14. The molar heat capacity of water is if its specific heat capacity is 4...

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  15. For two moles of an ideal gas, which of the following is true?

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  16. Which of the following is true?

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  17. The molar heat capacity of water is if its specific heat capacity is 4...

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  18. Calculate the heat of reaction at 298 K for the reactionC2H(4(g)) + H2...

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  19. The enthalpies of elements in their standard states are taken as

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  20. The standard heat of formation of diamond is

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