Question

A 20.0 L volume of gas at 120 kPa expands to 30.0 L with no temperature change. The final pressure is *

a) 80.0 kPa
b) 180 kPa
c) 110 kPa
d) 720 kPa

Answer 1

using Gas law;

P₁V₁=P₂V₂

so P₂= P₁V₁/V₂

P₂=$20*120/30$

P₂= 80kPa