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23 Nov 2019
Helium gas (?=1.67) is initially at a pressure of 16 atm, avolume of 1L and a temerature of 600K. It is expanded isothermallyuntil its volume is 4L and then compressed at a constant pressureuntil its volume and temperature are such that an adiabaticcompression will return the gas to its original state. Sketch this cycle on a PV diagram. (What I don't understand is how can we compress a gas at aconstant pressure and adiabatic compression at the sametime.)
Helium gas (?=1.67) is initially at a pressure of 16 atm, avolume of 1L and a temerature of 600K. It is expanded isothermallyuntil its volume is 4L and then compressed at a constant pressureuntil its volume and temperature are such that an adiabaticcompression will return the gas to its original state.
Sketch this cycle on a PV diagram.
(What I don't understand is how can we compress a gas at aconstant pressure and adiabatic compression at the sametime.)
Collen VonLv2
30 Mar 2019
