A gas has a volume of 750 mL at a pressure of 2.15 atm. What will the pressure be if the volume becomes 1.25 L?

Answer 1

Assuming constant temperature, we are dealing with Boyle's Law where P1V1 = P2V2

(0.750 L)(2.15 atm) = (P2)(1.25 L)

P2 = 1.29 atm