This preview shows page 1. Sign up to view the full content.
Unformatted text preview: meaningless. 5 4 Then you’ll cool the tube to room temperature. 100oC Room temp • At room temperature, most of the gas has condensed to liquid, but the liquid still is in equilibrium with some vapor. Air has re‐entered the tube. 6 1 10/6/2010 Experimental tips After it has returned to room temperature
• The mass is that of the tube + air + vapor + liquid since air has filled the remainder of the tube as it cooled. Before you weigh the tube:
• Dry the outside. – Otherwise water will contribute to the mass. • The mass of the tube + air is (nearly) the same as it was initially, so that can be subtracted from the total mass to Ro...
View Full Document
This note was uploaded on 02/07/2014 for the course CHEMISTRY 030.105 taught by Professor Pasternick during the Fall '06 term at Johns Hopkins.
- Fall '06