EX3_what_you_should_know - Exam 3 Concepts! CH110 FA10 SAS...

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CH110 FA10 SAS 33 Exam 3 Concepts
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CH110 FA10 SAS 34 Properties of Gases • What sorts of elements and compounds tend to be found as gasses at room temperature? • What are the physical properties of gases? • What is pressure? How do we measure it? What units do we use? • What is “STP”? Gas Laws • How are V and P related at constant number of moles and T? • How are V and T related for constant number of moles and pressure? • Hhow are the V and number of moles of a gas related at constant T, P? • What is the Ideal Gas Law? • How are density and molar mass related?
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CH110 FA10 SAS 35 Gas Mixtures • What is partial pressure hand how does Dalton’s Law help us to use it? • What is the mole fraction of a gas? Kinetic Molecular Theory • How does KMT help us to describe ideal gases? What are the postulates of KMT? • At a given temperature, what do we know about the kinetic energy of any given gas based on KMT? • What is the root mean square speed of a gas at a given temperature and how is it related to the mass of the gas particles? • What are diffusion and effusion and how does the speed at which a gas will do either relate to its molar mass? • What is the mean free path and how is it related to pressure?
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CH110 FA10 SAS 36 Kinetic Molecular Theory • How does KMT explain the pressure and temperature of a gas, the gas laws, and the rates of effusion and diffusion? Real Gases
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This note was uploaded on 07/16/2011 for the course CHEM 110 taught by Professor Hofmann,brucerob during the Spring '08 term at Pennsylvania State University, University Park.

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EX3_what_you_should_know - Exam 3 Concepts! CH110 FA10 SAS...

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