Determination of the Universal Gas Constant, R. A Discovery LaboratoryJournal of Chemical Education (2001)
This experiment combines published procedures for the generation of three gases (hydrogen, nitrogen, and oxygen) and adapts them so that they can be used with a single gas-generation and collection apparatus. Working in collaborative groups, students determine density and number density for each gas. By comparing values for these two quantities in a post-lab discussion, students "discover" Avogadro's assertion that equal volumes contain equal numbers of particles and demonstrate that R has a single value for all three gases under consideration and so is truly a universal constant.
Citation InformationKathleen Cornely and David B Moss. "Determination of the Universal Gas Constant, R. A Discovery Laboratory" Journal of Chemical Education Vol. 78 Iss. 9 (2001) p. 1260 - 1262 ISSN: 0021-9584
Available at: http://works.bepress.com/kathleen-cornely/8/