In the preparation of supercritical fluids, at which stage is the majority of the heat absorbed?
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I have a question for everyone: when we prepare supercritical fluids, it is generally done by heating a liquid in a sealed, rigid container. So, in the process of transitioning from a conventional fluid to a supercritical fluid, how should the heat absorbed be calculated? Or rather, at which point is the heat absorption greatest?
If this process is an isochoric process and the container remains sealed at all times, the difference in internal energy of the medium between the two points is equal to the heat absorbed by it between those two points.