Class 21 - The first law of thermodynamics [Stony Brook Physics]
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چکیده
An isothermal process [http://en.wikipedia.org/wiki/Isothermal_process] is one which occurs at a constant temperature. In order for such a process to occur there should be a heat reservoir [http://en.wikipedia.org/wiki/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 quasistatic process [http://en.wikipedia.org/wiki/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
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