[Pulcinella]

Yes. One of the assumptions of the Ideal Gas Law is that particles don’t interact with each other or even collide with each other. They only collide with the walls of the container.

So if the ideal gas law was true then a heat pump wouldn’t be able to refrigerate anything. When the gas would expand, the volume would go up, pressure would go down, and temperature would remain the same because there wouldn’t be any reason for the gas particles to slow down (because under the ideal gas law the particles don’t interact with eachother).