Ideal Gas Law Problems with Solutions

Ideal Gas Law Problems

Which among the following gases can be liquified easily?

Methane

Carbon dioxide

Hydrogen

Oxygen

A Van der Waals gas behaves like an ideal gas when

the volume is very low

the temperature is very high

the pressure is very low

All of the above

The density of ammonia at 5 atm pressure and 30 °C temperature is

0.0342 g/litre

0.342 g/litre

3.42 g/litre

34.2 g/litre

What is the SI unit of Van der Waals constant a?

N m⁴ mol⁻²

dyne m⁴ mol⁻²

N cm⁴ mol⁻²

N m⁶ mol⁻²

The molecular weight of 12.8 g gas of which occupy 10 liters at a pressure of 750 mm and at 27° C?

31.98 g mol⁻¹

31.91 g mol⁻¹

31.81 g mol⁻¹

31.00 g mol⁻¹

The total kinetic energy of 0.5 mol of an ideal gas at 273 K

1702 J

1802 J

1709 J

1720 J

The number of molecules presents per ml of an ideal gas maintained the pressure of 7.6 ×10^-3 mm of Hg at 0°C

2.69 × 10¹⁴ molecules

2.49 × 10¹⁴ molecules

2.59 × 10¹⁴ molecules

2.89 × 10¹⁴ molecules

The density of ammonia gas at 100⁰ C, when confined by the pressure of 1600 mm Hg

0.00217 g/cc

0.00317 g/cc

0.00117 g/cc

0.00120 g/cc

Find the extent of deviation from the ideal behavior of 2 moles of nitrogen gas occupying 10 lit volume at 270°C
Given, a = 1.4 atm liter² mol^-2 and b=0.04 lit mol^-1.

0.328%

0.330%

0.322%

0.326%

The root mean square velocity (RMS) of oxygen gas at 27 °C is

383 m/s

483 m/s

583 m/s

683 m/s

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Ideal gas law problems with answers

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Critical Constants

Gases

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Ideal and Real Gases