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The deviations from ideal gas behaviour ...

The deviations from ideal gas behaviour `PV =RT` were successfully explained by van der Waals he pointed out that it is not advisable to neglect the volume of molecules and attractions between themselves at all the conditions He proposed volume correction and pressure correction as `(V -b) and ( P+(a)/(V^(2)))` for 1 mole of gas in ideal gas equation .
For a real gas `PV gtRT` at all pressure ranges then .

A

The gas is less compressible

B

The gas is highly compressible

C

The gas is not compressed at all

D

The gas is liquefied easily

Text Solution

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For `H_(2)` and `He, Z gt 1` and thus due to repulsive forces they are less compressible .
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The deviations from ideal gas behaviour PV =RT were successfully explained by van der Waals he pointed out that it is not advisable to neglect the volume of molecules and attractions between themselves at all the conditions He proposed volume correction and pressure correction as (V -b) and ( P+(a)/(V^(2))) for 1 mole of gas in ideal gas equation . van der Waals' equation for 'n' moles of a real gas is .

The deviations from ideal gas behaviour PV =RT were successfully explained by van der Waals he pointed out that it is not advisable to neglect the volume of molecules and attractions between themselves at all the conditions He proposed volume correction and pressure correction as (V -b) and ( P+(a)/(V^(2))) for 1 mole of gas in ideal gas equation . The compressibility factor Z is greater than unity the at STP,V_(m) in litre is .

The deviations from ideal gas behaviour PV =RT were successfully explained by van der Waals he pointed out that it is not advisable to neglect the volume of molecules and attractions between themselves at all the conditions He proposed volume correction and pressure correction as (V -b) and ( P+(a)/(V^(2))) for 1 mole of gas in ideal gas equation . The volume occupied by molecules in motion for one mole of gas at NTP if molecules are spherical having radius 10^(-8) cm is .

Why do real gases show deviation from ideal behaviour ? Write van der Waals equation for n moles of a gas.

If v is the volume of one molecule of a gas under given conditions, then van der Waals constant b is

van der Waal's equation reduces itself to the ideal gas equation at

The van der Waals constant ……………….. Measures the forces of attraction between the molecules of a gas.

P BAHADUR-GASEOUS STATE-Exercise
  1. The ideal gas behaviour has been expressed in terms of ideal gas equat...

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  2. The deviations from ideal gas behaviour PV =RT were successfully expla...

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  3. The deviations from ideal gas behaviour PV =RT were successfully expla...

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  4. The deviations from ideal gas behaviour PV =RT were successfully expla...

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  5. The deviations from ideal gas behaviour PV =RT were successfully expla...

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  6. The Graham's law states that ''at constant pressure and temperature th...

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  7. The Graham's law states that ''at constant pressure and temperature th...

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  8. The Graham's law states that ''at constant pressure and temperature th...

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  9. One litre of O(2) and one litre of h(2) are taken in a vessel of 2 lit...

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  10. One litre of O(2) and one litre of h(2) are taken in a vessel of 2 lit...

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  11. One litre of O(2) and one litre of h(2) are taken in a vessel of 2 lit...

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  12. The numerical valuse of P(c),V(c),T(c) are (a)/(27b^(2)),3b,(8a)/(27...

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  13. The numerical value of a for H(2)O is higher than C(6)H(6) H(2)O pos...

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  14. At low pressure the van der Waals' equation is reduced to [P +(a)/(V^(...

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  15. Molar specific heat at constant volume of an ideal diatomic gas is (5)...

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  16. Ideal gas do not show Joule -Thoson effect as well as they cannot be l...

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  17. Andrew's worked on a temporary gas (so called at that time) and derive...

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  18. In a gaseous reaction the volume ratio of reactants and product is in ...

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  19. Rate of diffusion of 1 mole CO and 2 mole N(2) in a container are same...

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  20. Gaseous molecules heavy (e.g Br(2)) or light (H(2)) in equal number oc...

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