Gas Laws Worksheet Review

19 fill-in-the-blank flashcards covering unit conversions, Boyle’s, Charles’, and Gay-Lussac’s gas laws, and worked-out problem solutions.

1 _ mm Hg equals 1 atm.

760

1 atm equals _ kPa.

101.3

In Boyle’s Law, the product of pressure and volume remains _.

constant

Boyle’s Law can be expressed mathematically as _.

P₁V₁ = P₂V₂

According to Charles’ Law, volume is directly proportional to _ when pressure is constant.

temperature (in Kelvin)

Charles’ Law formula is _.

V₁/T₁ = V₂/T₂

When using Charles’ or Gay-Lussac’s Law, temperature must be converted to _.

Kelvin

Gay-Lussac’s Law states that pressure is directly proportional to _ at constant volume.

temperature (in Kelvin)

Gay-Lussac’s Law formula is _.

P₁/T₁ = P₂/T₂

If 22.5 L of nitrogen at 748 mm Hg is compressed to 725 mm Hg, the new volume is _ L.

23.2

Compressing 196.0 L of air at 1.00 atm into 26.0 L requires a pressure of _ atm.

7.54

A gas with a volume of 4.0 L at 205 kPa expanding to 12.0 L will have a new pressure of _ kPa.

68.3

Lowering the pressure on 40.0 L of ammonia from 12.7 kPa to 8.4 kPa makes the volume _ L.

60.5

6.00 L of gas at 20.0 °C compressed to 4.00 L must be cooled to _ K to maintain pressure.

195.3

Expanding 5.00 L of gas at 100 K to 20.0 L requires the temperature to rise to _ K.

400

A gas occupying 900.0 mL at 27.0 °C will occupy _ mL at 132.0 °C.

1,215

15.0 L of neon at 25.0 °C expanding to 45.0 L requires the temperature to rise to _ K.

894

Raising the pressure in a hair-spray can from 30 lb/in² at 27 °C to 90 lb/in² will occur at _ K.

900

Cooling a tank from 27 °C (900 mm Hg) to –183 °C will lower the pressure to _ mm Hg.

270