Question

a sample of carbon dioxide gas occupies a volume of 4.50l at 150 kpa. assuming a constant temperature what pressure exerted on the gas if it has a volume of 2.5 l

Answer 1

V₁ = 4.50 l

P₁ = 150 kpa

V₂ = 2.5 l

P₂ = a (Let)

Applying Boyle's Law :

P₁ × V₁ = P₂ × V₂

⇒ 150 × 4.50 = a × 2.5

⇒ a = (150 × 4.50 ) / 2.5

⇒ a = 270

⇒ P₂ = 270 kpa

∴ Required pressure = 270 kpa