Scan_Doc0142 - 234 Chapter Five Gases ~ Marathon Problem*...

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234 Chapter Five Gases ~ Marathon Problem* This problem is designed to incorporate several concepts and tech- niques into one situation. 153. Use the following information to identify element A and com- pound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a temperature of 15°C. When the con- tainer is evacuated and refilled with a certain element (A) at a pressure of 745 torr and a temperature of 26°C, it has a mass of 660.59 g. Compound B, a gaseous organic compound that consists of 85.6% carbon and 14.4% hydrogen by mass, is placed in a stain- less steel vessel (10.68 L) with excess oxygen gas. The vessel is *Used with permission from the Journal of Chemical Education, Vol. 68, No. 11, 1991, pp. 919-922; copyright © 1991, Division of Chemical Education, Inc. placed
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This note was uploaded on 12/13/2010 for the course CHEM 2301 taught by Professor Bill during the Spring '10 term at South Texas College.

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