19. The 1.0 m tall cylinder shown in the figure contains air at a pressure of 1 atm. A very thin, frictionless piston of negligible mass is placed at the top of the cylinder, to prevent any air from escaping, then mercury is slowly poured into the cylinder until no more can be added without the cylinder overflowing. Hg 10m Air Thin piston of negligible mass h What is the heighth of the column of compressed air? Hint: Boyle's law, which you learned in chemistry, says pilipil for a gas compressed at constant temperature, which we will assume to be the case.