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For which of the following processes, en...

For which of the following processes, entropy change is negative?

A

Evaporation of water

B

Sublimation of camphor

C

Condensation of lodine vapours

D

Melting of ice

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AAKASH INSTITUTE ENGLISH-TEST 3-EXERCISE
  1. If 200 ml of 0.1 MH2SO4 solution is mixed with 200 ml of 0.15 M NaOH s...

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  2. Unit of surface tension is

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  3. For which of the following processes, entropy change is negative?

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  4. A liquid is in equilibrium with its vapour at a certain temperature. I...

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  5. The work done by one mole of ideal gas when its teperature is increase...

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  6. Standard enthalpy of formation is zero for

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  7. Ratio of the rate of effusion of oxygen gas at 1.5 atm to that of heli...

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  8. Compressibility factor under critical state of a gas is

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  9. An air bubble formed under water at temperature 17^oC and the pressure...

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  10. A gaseous mixture contains 220 g of carbon dioxide and 280 g of nitrog...

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  11. If the enthalpies of formation of C3H8(g), CO2(g) and H2O(l) at standa...

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  12. When 5 moles of an ideal gas is expended at 350 K reversibly from 5 L ...

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  13. When 1.5 mol of a gas is heated at constant volume from 300 K to 350 K...

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  14. For which of the following reactions, deltaH = deltaU?

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  15. Select the state functions among the following. (i) U + PV (i...

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  16. The bond energies of H - H and I - I bonds are 435 kJ mol^-1 and 150 k...

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  17. The ratio of everage speed, most probable speed and root mean square s...

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  18. If the energy absorbed by each X2 molecule of a gas is 3.5xx10^-19 J a...

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  19. Ratio of everage kinetic energy of 14 g of N2 at 27^oC to 24 g of O2 a...

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  20. In vander waals gas equation, the term that accounts for the volume oc...

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