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The excluded volume (b) is = 4 (volume o...

The excluded volume (b) is = 4 (volume of one gas molecule)

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The ratio of excluded volume ( b ) to molar volume of a gas molecule is

The van der Waals constant b is realted to the volume occupied by the molecules of a gas. It is known as the excluded volume by the molecules of a gas. It is known as the excluded volume or noncompressible volume of the gas. It is equal to ……… times the actual volume of one mole of gas molecules.

The numerical value of b is ......times the actual volume occupied by one mole of gas molecule.

In a mole of water vapours at STP, the volume actually occupied or taken by the molecules (i.e., Avogadro's No. xx volume of one molecule) is

The excluded volume of molecule in motion is ……….. times, the actual volume of a molecule in rest

The molar gas volume at S.T.P is 22.4 litre and Avogadro's number is 6.023 xx 10^(23) . Calculate (i) number of gas molecules per unit volume (ii) radius of gas molecule when mean free path is 1.1 xx 10^(-8) m .

CENGAGE CHEMISTRY-STATES OF MATTER-Exercises (Ture False)
  1. In the microscopic model of the gas, all the moleculer are supposed to...

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  2. For real gases, at high temperature Z = 0 small value of a means gas...

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  3. Small value of a means, gas can be easily liqueifed.

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  4. Rate of diffusion is directly proportional to the square root of molec...

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  5. For ideal gases, Z = 1 at all temperature and pressure.

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  6. According to charles's law,

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  7. The pressure of moist gas is higher than pressure of dry gas.

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  8. Gases do not occupy volume and do not have force of attraction.

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  9. The van der Waal equation of gas is (P + (n^(2)a)/(V^(2))) (V - nb)...

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  10. Surface tension and surface energy have different dimensions.

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  11. The plot of PV vs P at particular temperature is called isovbar.

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  12. Equal volume of all gases always contains equal number of moles.

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  13. A gas with a = 0 cannot be liquified.

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  14. The van der waals constants have same values for all the gases.

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  15. All the molecules in a given sample of gas move with same speed.

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  16. The observed pressure of real gas is more than the ideal pressure.

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  17. Heat capacity of a diatomic gas is higher than that of a monoatomic ga...

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  18. Dry O(2) is heavier than moist O(2).

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  19. The excluded volume (b) is = 4 (volume of one gas molecule)

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  20. The gas above T(c ) cannot be liquefied.

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