5.2. What Is Gas Pressure and How Do We Measure It?, 143
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Atmospheric Pressure Atmospheric pressure is used to collapse large and small metal containers.
Phases / Phase Transitions / Diagrams |
Gases |
Atmospheric Chemistry
Vapor Pressure Pressure exerted by vapor of several organic substances is demonstrated using barometers. Molecular models of the substances are shown.
Gases |
Phases / Phase Transitions / Diagrams |
Physical Properties
Vapor Pressure: Molecular Size The measurement of pressure exerted by a vapor is demonstrated using barometers. Vapor pressure varies with the strength of the intermolecular forces in the liquid.
Gases : GasGramMixPressure (5 Variations)
4.80 g of CH4 is mixed with 17.6 g of CO2 in a 9.00 L flask at a temperature of 67.2oC. What is the total pressure of the flask? (Assume there is no reaction.)
Gases |
Chemometrics
Gases : GasMoleMixPressure (5 Variations)
What is the pressure exerted by a mixture of gases in a 40.0 L container at 127oC if the mixture contains 0.100 mol O2, 0.400 mol CH4, and 0.500 mol SO2?
Gases |
Chemometrics
Gases : GasLaws (2 Variations)
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You purchase a propane tank that can hold gas safely up to a pressure of {x} atm. When the tank contains 100. grams of propane at {y}°C, the gas exerts a pressure of {z}atm. What is the highest temperature to which the propane can be heated safely? (Report your answer in Kelvins.)
Similarity and Difference in the Behavior of Gases: An Interactive DemonstrationGuy Ashkenazi A demonstration that concurrently exposes differences and similarities in the behavior of two different gases has been designed to bridge the gap between students' understanding at the algorithmicmacroscopic and conceptualmicroscopic levels. Ashkenazi, Guy. J. Chem. Educ.2008, 85, 72.
Gases |
Kinetics |
Learning Theories
Gas Clathrate Hydrates Experiment for High School Projects and Undergraduate LaboratoriesMelissa P. Prado, Annie Pham, Robert E. Ferazzi, Kimberly Edwards, and Kenneth C. Janda Presents a procedure for preparing and studying propane clathrate hydrate. This experiment introduces students to this unusual solid while stimulating a discussion of the interplay of intermolecular forces, thermodynamics, and solid structure. Prado, Melissa P.; Pham, Annie; Ferazzi, Robert E.; Edwards, Kimberly; Janda, Kenneth C. J. Chem. Educ.2007, 84, 1790.
Alkanes / Cycloalkanes |
Applications of Chemistry |
Calorimetry / Thermochemistry |
Gases |
Phases / Phase Transitions / Diagrams |
Thermodynamics |
Water / Water Chemistry |
Hydrogen Bonding
Carbon Dioxide FountainSeong-Joo Kang and Eun-Hee Ryu This article presents the development of a carbon dioxide fountain that, unlike the traditional ammonia fountain, is odorless and uses consumer chemicals. This experiment also allows students to see evidence of a gaseous reagent being consumed when a pressure sensor is available. Kang, Seong-Joo; Ryu, Eun-Hee. J. Chem. Educ.2007, 84, 1671.
