A glass cylinder 10 cm in diameter and 20 cm tall initially

Last updated: 7/4/2023

A glass cylinder 10 cm in diameter and 20 cm tall initially contains water vapor at 300 K and a pressure of 100 torr A liquid nitrogen cold finger 1 cm in diameter is placed against one face of the cylinder How long will it take for the pressure in the cylinder to drop to 10 5 torr