2303_-_Spr_2011_-_Week_1_-_Ideal_Gases_-_C

2303_-_Spr_2011_-_Week_1_-_Ideal_Gases_-_C - The Physics of...

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The Physics of Matter Little Ghost Nebula, HST STM image: Si (111)-7x7 surface Superconducting cube, levitation
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Welcome to Physics 2303 Professor Eric Ganz Office: 345 Physics Office Hour: Thursday 10 - 11 E-mail: ganzx001@umn.edu Phone: 612 - 624 – 2386 https://www.physics.umn.edu/courses TEXT: Physics For Scientists & Engineers with Modern Physics – Vol. 3 by Fishbane, Gasiorowicz, and Thornton. 2
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Course Outline Week Chapter Topic 1-4 17-20 Thermodynamics 5-6 34-35 7-8 36 9 39 Relativity 10-11 40, 7 (Taylor) Quantum Mechanics 12-15 41-43 Quantum Effects in Large Systems 3
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Physics 2303 EXAMINATIONS: In-class quizzes on Tuesdays: February 8, March 1, March 29, April 19. Room TBD. Final Exam: Tuesday May 10, 8:30 – 11:30 AM HOMEWORK: Problem sets will be assigned and graded in WebAssign. All students should purchase licenses, using class key to register: umn 9797 7343. POWERPOINT SLIDES: Thanks to E. Ganz, A. Baski, M. Dornfeld, C. Cattell, P. Fishbane, P. Tipler, Wikipedia, and UIUC. GRADES: The final will be 120 points, each quiz will be 60 points, and each homework 8 points. Your final grade will be: The final exam grade plus the best 3 out of 4 quizzes, plus ½ the homework grade. 4
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Agend Thermal equilibrium Heat transfer Absolute temperature Next time: Thermal expansion Equation of state for gases Reading: 17.1 – 17.4 Homework #1 on WebAssign 5 Mayon Volcano
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17-1 Thermal Equilibrium If two thermal systems are in thermal equilibrium with one another, then they have the same temperature . TA = TB If two systems are each in thermal equilibrium with a third, then they are in thermal equilibrium with one another. If TA = TB, and TA = TC, then TB = TC This allows use of a thermometer. Another formulation reads that a state variable T can be assigned to the system, and T will go up if heat is added. The 0th law of thermodynamics: 66 A B A B A C
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Thermal Equilibrium Thermal reservoir: A system so large that its temperature doesn’t change when interacting with other systems Thermal equilibrium can occur through Conduction Convection Radiation 77
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Conduction Heat transfer directly through a material. For example, along a copper bar. Convection Heated gas or fluid moves up and carries heat For example, ocean breezes. Radiation Heat carried by light such as an infrared lamp. 88
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2303_-_Spr_2011_-_Week_1_-_Ideal_Gases_-_C - The Physics of...

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