9. Image below shows Carnot cycle:
Adiabatic
compression
Isothermal
expansion
Gas
Adiabatic
expansion
Isothermal
compression
Insulating
stand
Qh
Insulating
stand
Qc
Hot reservoir, $T_H$
Cold reservoir, $T_C$
Process 1-2
Process 2-3
Process 3-4
Process 4-1
In the process 1-2 what is happening to the pressure of the gas in the cylinder? What about
internal energy of the gas? Is there work done on the gas?