ef152-lec-5-3 - EF 152 Spring, 2009 Lecture 5-3 1 Module 5,...

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Unformatted text preview: EF 152 Spring, 2009 Lecture 5-3 1 Module 5, Lecture 3 EF 152 Spring, 2009 Lecture 5-3 2 Module 5 Lecture 3 Thermal Equilibrium: State and changes State of system: described by ________________________ Changes to the system: Reversible: Irreversible: Heat flow: causes a _________ in the system Conservation of energy analogy: State: Change: EF 152 Spring, 2009 Lecture 5-3 3 Heat Symbol is ___ _________: amount of heat necessary to raise 1 gram of water 1C ____________ or _________: amount of heat necessary to raise 1 kilogram of water 1C _________________________: amount of heat necessary to raise 1 lb of water 1F 1 BTU = 252.02 cal = 0.252 Cal EF 152 Spring, 2009 Lecture 5-3 4 Mechanical Equivalent of Heat Experiments by James Prescott Joule, an English brewer in 1800s Falling weight turned a paddle Joule determined that there is a precise equivalent of work done on a system and the heat flow into it 4.186 J = 1 cal Is process: A. reversible B. irreversible EF 152 Spring, 2009 Lecture 5-3...
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This note was uploaded on 04/07/2009 for the course EF 152 taught by Professor Ab during the Spring '08 term at University of Tennessee.

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ef152-lec-5-3 - EF 152 Spring, 2009 Lecture 5-3 1 Module 5,...

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