Question

At 30 deg C temperature, pressure of 8.4 litre of a gas is 1.2 bar. At same temperature, at what pressure will its volume become 3.36 litre

Answer 1

Answer:

hope you understand it

Answer 2

Answer :

Initial pressure = 1.2 bar

Initial volume = 8.4 litre

We have to find pressure of gas when its volume become 3.36 litre$.$

★ Boyle's law : At constant temperature, the pressure of a fixed amount of gas varies inversely with its volume. (at constant T and n)

• P ∝ 1/V or P₁V₁ = P₂V₂

P₁ denotes initial pressure

V₁ denotes initial volume

P₂ denotes final pressure

V₂ denotes final volume

By substituting the given values, we get

➠ P₁V₁ = P₂V₂

➠ (1.2)(8.4) = P₂ × 3.36

➠ P₂ = 10.08/3.36

➠ P₂ = 3 bar

∴ At 3 bar pressure, its volume become 3.36 litre.

Additional Information :

• Charles law : Pressure remaining constant, the volume of a fixed mass of a gas is directly proportional to its absolute temperature
• Gay Lussac's law : At constant volume, pressure of a fixed amount of a gas varied directly with the temperature.