Question

A 1500mL balloon is at 475 torr and the pressure increase to 900 torr. What is the new volume?

Answer 1

P1 = 475 torr

P2 = 900 torr

V1 = 1500 mL

V2 = ?

Applying Boyle's Law

P1V1 = P2V2

475 torr × 1500 mL = 900 torr × V2

V2 = 475 * 1500 mL / 900

V2 = 475*5/3 = 791.6 mL