Beta Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>EXERCISE-1>Q 53

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A closed vessel contains equal number of nitrogen and oxygen molecules at a pressure of $p mm$ . If nitrogen is removed from the system, then the pressure will be

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Important Questions on States of Matter: Gases and Liquids

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Beta Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>EXERCISE-1>Q 54

The rate of diffusion of methane at a given temperature is twice that of gas X. The molecular weight of X is:

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Beta Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>EXERCISE-1>Q 55

At what temperature will the total

K E

of

0.30 m o l

of

H e

be the same as the total

K E

of

0.40 m o l A r

at

400 K

?

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Beta Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>EXERCISE-1>Q 57

At a moderate pressure, the Van der Waals' equation is written as:

[P + \frac{a}{V^{2}}] V = RT

The compressibility factor is equal to

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Beta Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>EXERCISE-1>Q 58

{NH}_{3}

gas is liquefied more easily than

N_{2}

. Hence:

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Beta Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>EXERCISE-1>Q 59

For the non-zero value of the force of attraction between gas molecules, gas equation will be:

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Beta Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>EXERCISE-1>Q 60

Compressibility factor for

H_{2}

behaving as real gas is:

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Beta Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>EXERCISE-1>Q 62

In van der Waal's equation of state for a non-ideal gas, the term that accounts for intermolecular forces is

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Beta Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>EXERCISE-1>Q 63

The correct order of normal boiling points of

O_{2}, N_{2}, {NH}_{3}

and

{CH}_{4}

, for whom the values of Van der Waals constant,

{}^{'}a^{'}

, are

1.360, 1.390, 4.170

and

2.253 L^{2} . atm . {mol}^{- 2}

, respectively, is: