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 phy141:lectures:36 [2012/11/30 16:00]mdawber [Video of lecture] phy141:lectures:36 [2013/11/20 10:07] (current)mdawber [Next week] Both sides previous revision Previous revision 2013/11/20 10:07 mdawber [Next week] 2013/11/20 10:06 mdawber [Video of lecture] 2012/11/30 16:01 mdawber [Isothermal Processes] 2012/11/30 16:00 mdawber [Video of lecture] 2012/11/30 16:00 mdawber [Video of lecture] 2011/12/04 17:40 mdawber [Lecture 36 - First Law of Thermodynamics] 2011/12/04 17:38 mdawber 2011/12/03 15:14 mdawber [Video of lecture] 2010/12/02 13:00 mdawber 2010/12/02 12:58 mdawber created Next revision Previous revision 2013/11/20 10:07 mdawber [Next week] 2013/11/20 10:06 mdawber [Video of lecture] 2012/11/30 16:01 mdawber [Isothermal Processes] 2012/11/30 16:00 mdawber [Video of lecture] 2012/11/30 16:00 mdawber [Video of lecture] 2011/12/04 17:40 mdawber [Lecture 36 - First Law of Thermodynamics] 2011/12/04 17:38 mdawber 2011/12/03 15:14 mdawber [Video of lecture] 2010/12/02 13:00 mdawber 2010/12/02 12:58 mdawber created Line 9: Line 9: ===== Video of lecture ==== ===== Video of lecture ==== - The video should play in any browser, but works best in anything that isn't Internet Explorer. If you are having trouble watching the video within the page you can [[http://​www.ic.sunysb.edu/​class/​phy141md/​lecturevids/​phy141f12lecture36.mp4|download ​the video]] and play it in [[http://​www.apple.com/​quicktime/​download/​|Quicktime]]. + Unfortunately the 2013 lecture recording did not work, so here is the 2012 version. <​html>​ <​html>​ Line 39: Line 39: ===== Isothermal Processes ===== ===== Isothermal Processes ===== - An [[wp>​Isothermal_process|isothermal process]] is one which occurs at a constant temperature. In order for such a process ​too occur there should be a [[wp>​Heat_reservoir|heat reservoir]],​ a large body in thermal contact with the system which has a temperature that will not significantly change as heat is exchanged with it. We will consider a [[wp>​Quasistatic_process|quasistatic process]], which means it occurs slowly enough that the system can be considered to be in equilibrium at any given time. + An [[wp>​Isothermal_process|isothermal process]] is one which occurs at a constant temperature. In order for such a process ​to occur there should be a [[wp>​Heat_reservoir|heat reservoir]],​ a large body in thermal contact with the system which has a temperature that will not significantly change as heat is exchanged with it. We will consider a [[wp>​Quasistatic_process|quasistatic process]], which means it occurs slowly enough that the system can be considered to be in equilibrium at any given time. From the viewpoint of the first law From the viewpoint of the first law Line 213: Line 213: which gives $PV^{\gamma}=\mathrm{constant}$ which gives $PV^{\gamma}=\mathrm{constant}$ - ===== Next week ===== - Second law of thermodynamics and entropy...and then prepare for the final exam!