A gas such as carbon monoxide would be most likely to obey the ideal gas law at

  • high temperatures and low pressures

  • low temperatures and high pressures

  • high temperatures and high pressures

  • high temperatures and high pressures


A.

high temperatures and low pressures

Real gases show ideal gas behaviour at high temperatures and low pressures.
 
PV = nRT

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If x is the amount of adsorbate and m is the amount of adsorbent, which of the following relations is not related to adsorption process?

  • p = f(T) at constant (x/m)


C.

The correct relation is 

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Two gases A and B having the same volume diffuse through a porous partition in 20 and 10 seconds respectively. The molecular mass of A is 49u. Molecular mass of B will be

  • 12.25 u

  • 6.50 u 

  • 25.00 u

  • 25.00 u


A.

12.25 u

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By what factor does the average velocity of a gaseous molecule increase when the temperature (in kelvin) is doubled?

  • 2.8

  • 4.0

  • 1.4

  • 1.4


C.

1.4

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In Duma's method of estimation of nitrogen 0.35 g of an organic compound gave 55 mL of nitrogen collected at 300 K temperature and 715 mm pressure. The percentage composition of nitrogen in the compound would be
(Aqueous tension at 300 k = 15 mm)

  • 16.45

  • 17.45

  • 14.45

  • 14.45


A.

16.45

Gas equation,

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