Discussion
Which one is INCORRECT statement?
Answer: B
The incorrect statement is In an adiabatic process, there is a heat exchange with the surrounding.
An adiabatic process is defined by Q = 0: no heat enters or leaves the system, and any change in internal energy comes from work alone.
The other statements are the definitions of the processes: isochoric means constant volume, isobaric constant pressure, isothermal constant temperature. In a cyclic process the system returns to its initial state, and internal energy is a state function, so its change is zero.
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