Beforeyouweighthetube drytheoutside

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

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.

Ask a homework question - tutors are online