If at constant temperature and atmospheric pressure, a gas expands fro – InterviewSolution

1.	If at constant temperature and atmospheric pressure, a gas expands from 20 cm3 to 50 cm3, what will be its final pressure?
Answer» According to Boyle’s law, P₁V₁ = P₂V₂ P₁ = 1 atm P₂ = ? V₁ = 20 cc V₂ = 50 cc P₂ =(P₁ × V₁)/V₂ P₂ = 1 × 20/ 50 = 2/ 5 atm = 0.4 atm

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