# Are adiabatic and isothermal process the same?

## Are adiabatic and isothermal process the same?

The major difference between these two types of processes is that in the adiabatic process, there is no transfer of heat towards or from the liquid which is considered. Where on the other hand, in the isothermal process, there is a transfer of heat to the surroundings in order to make the overall temperature constant.

## Can a process be both adiabatic and isochoric?

Adiabatic process in itself does not require constancy of any thermodynamic variable, and so you can have a process which is adiabatic+isobaric, or adiabatic+isochoric, or adiabatic+isothermal.

Can a process be isothermal and Isobarmal?

This is an irreversible change. This is just a definition that is sometimes used for a constant temperature process. So, based on these definitions, for irreversible changes like these, it is possible to have an isothermal and an isobaric process at the same time.

### How can you tell the difference between an adiabatic process and an isothermal process from a PV graph?

The paths look somewhat similar on the P-V diagram, but you should notice clear differences. Note that an isothermal process has no change in temperature, so the change in internal energy is zero, but in an adiabatic process the heat transferred is zero.

### What is isothermal process and adiabatic process?

In thermodynamics, an isothermal process is a type of thermodynamic process in which the temperature of the system remains constant: ΔT = 0. In contrast, an adiabatic process is where a system exchanges no heat with its surroundings (Q = 0).

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In thermodynamics, an adiabatic process (Greek: adiábatos, “impassable”) is a type of thermodynamic process that occurs without transferring heat or mass between the thermodynamic system and its environment. Unlike an isothermal process, an adiabatic process transfers energy to the surroundings only as work.

## Why does isothermal work more than adiabatic?

Both start from the same point A, but the isothermal process does more work than the adiabatic because heat transfer into the gas takes place to keep its temperature constant. This keeps the pressure higher all along the isothermal path than along the adiabatic path, producing more work.

## Can two isothermal curves cut each other?

Yes, when the pressure is critical pressure.