P12_Heat_Engine

P12_Heat_Engine - Heat Engine with ideal gas Operation of a...

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Unformatted text preview: Heat Engine with ideal gas Operation of a Heat Engine Slide 11-26 Can we convert all E th to W ? Slide 11-26 N NO! Q C can never be 0 Slide 11-26 Q C = 0 Recall: PV graphs Ideal-Gas Processes We can represent the state of a gas by a point on a pV diagram. A process can be represented by a path on this diagram. Constant-Volume Process P f V f T f = Slide 12-29 Constant-Pressure Process Isobaric P f V f T f = Constant-Temperature Process Isothermal Slide 12-30 P f V f T f = Checking Understanding: Gas-Law Processes A sample of gas is in a cylinder with a moveable piston. The force on the piston can be varied, altering the pressure and volume. A sample of gas is taken from an initial state to a final state following a curve on a pV diagram at right. The final temperature is A. higher than the initial temperature. B. the same as the initial temperature. C. lower than the initial temperature. Slide 12-31 Answer A sample of gas is in a cylinder with a moveable piston. The force on the piston can be varied, altering the pressure and volume. A sample of gas is taken from an initial state to a final state following a curve on a pV diagram at right. The final temperature is A. higher than the initial temperature. B. the same as the initial temperature....
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This note was uploaded on 02/15/2012 for the course PHYSICS 200 taught by Professor Staff during the Fall '11 term at Syracuse.

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P12_Heat_Engine - Heat Engine with ideal gas Operation of a...

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