Discussion Overview
The discussion revolves around the Zeroth law of thermodynamics and the concept of equilibrium between two systems when separated by an adiabatic wall. Participants explore the implications of this separation on the state variables of the systems involved.
Discussion Character
- Conceptual clarification, Debate/contested
Main Points Raised
- One participant asserts that if two systems A and B are in equilibrium, their coordinates (or state variables) do not change, but questions arise when they are separated by an adiabatic wall.
- Another participant requests clarification on the term "coordinates," suggesting that they are more commonly referred to as 'state variables' such as temperature, pressure, and volume.
- A participant notes that the state of the systems may drift apart after separation, depending on the surrounding conditions and whether there is a net flow of mass or energy across the separating wall.
- There is an acknowledgment that the drift of states after separation is contingent on the environmental factors affecting the systems.
Areas of Agreement / Disagreement
Participants express differing terminology regarding the description of system states, with some using "coordinates" and others preferring "state variables." The discussion also indicates that there is no consensus on the specific effects of separation on the systems' states, as it is dependent on external conditions.
Contextual Notes
There is a lack of clarity regarding the definitions and implications of "coordinates" versus "state variables," and the discussion does not resolve the conditions under which the states may drift apart.