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An isolated system is that in which:...

An isolated system is that in which:

A

There is no exchange of energy with the surroundings

B

There is exchange of mass and energy with the surroundings

C

There is no exchange of mass and energy with the surroundings

D

There is exchange of mass with the surroundings

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The correct Answer is:
C
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AAKASH SERIES-CHEMICAL THERMODYNAMICS-PRACTICE EXERCISE
  1. An isolated system is that in which:

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  2. A system has internal energy equal to E1, 450 J of heat is taken out o...

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  3. A gas absorbs 400 J of heat and expands by 2 xx 10^(-3)m^(3) against a...

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  4. A gas can expand from 100 ml to 250 ml under a constant pressure of 2 ...

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  5. If the internal energy of 22g CO2 at 273K is .U", internal energy of w...

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  6. CH(4(g)) + 2O(2(g)) rarr CO(2(g)) + 2H2O((l)) DeltaH = -200 K.cal, n...

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  7. A system is provided with 50 J of heat and the work done on the system...

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  8. S((8)) + 8O(2) rarr 8SO(2), DeltaH = -QKJ, then DeltaE

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  9. H2 + Cl2 rarr 2HCl + 44 K.Cal. Heat of formation of HCl is

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  10. Wg of benzoic acid is completely burnt in bomb calorimeter in excess o...

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  11. Heat of combustion of carbon is -96 k, cals. When some quantity of car...

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  12. One mole of methanol, when burnt in oxygen, gives out 723 KJ mol^(-1) ...

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  13. The heat of combustion of benzene at 27^@C and at constant volume is -...

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  14. Heat of neutralisation of H2SO4 with NaOH is - x KJ. Then the heat of ...

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  15. For the reaction at 298 K, 2A+BtoC DeltaH=400 kJ mol^(-1) and Delt...

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  16. The heat of neutralisation of strong base and strong acid is - 57.0 KJ...

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  17. When IM H2SO3 is completely neutralised by sodium hydroxide, the heat ...

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  18. The amount of heat released, when 20 ml of 0.5 M NaOH is mixed with 10...

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  19. -100 cm^3 of 0.1 M HCl and 100 cm^2 of 0.1.M NaOH solutions are mixed ...

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  20. For the reaction H^(+) + OH^(-) + H2O, DeltaH = -13.7 K. cal For H...

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  21. BOH((aq)) + H((aq))^(+) rarr B((aq))^(+) + H2O, DeltaH = -48 KJ.Heat o...

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