- #1
zenterix
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- TL;DR Summary
- I read in a thermodynamics book that "an endothermic process is a process in which energy is acquired from its surroundings as heat" and "when an endothermic process occurs in an adiabatic system, the temperature falls".
In addition, "not all boundaries permit the transfer of energy even though there is a temperature difference between the system and its surroundings. Boundaries that do permit the transfer of energy as heat are called diathermal; those that do not are called adiabatic."
If we have an endothermic process in an adiabatic system, the process is acquiring energy from its surroundings; yet, the adiabatic system has a boundary that does not permit transfer of energy. So how can the temperature fall?
I asked chatgpt and part of the answer was the following:
In an endothermic process, the system absorbs heat energy from its surroundings. However, since the adiabatic container does not allow heat exchange with the surroundings, the heat that is absorbed by the system stays within the system. As a result, the internal energy of the system increases because it has gained energy through the endothermic process.
Now this also doesn't make any sense to me.
The system absorbs heat energy from surroundings, but the adiabatic container does not allow this heat exchange, so the heat that is absorbed (from where???) by the system stays within the system.
If we have an endothermic process in an adiabatic system, the process is acquiring energy from its surroundings; yet, the adiabatic system has a boundary that does not permit transfer of energy. So how can the temperature fall?
I asked chatgpt and part of the answer was the following:
In an endothermic process, the system absorbs heat energy from its surroundings. However, since the adiabatic container does not allow heat exchange with the surroundings, the heat that is absorbed by the system stays within the system. As a result, the internal energy of the system increases because it has gained energy through the endothermic process.
Now this also doesn't make any sense to me.
The system absorbs heat energy from surroundings, but the adiabatic container does not allow this heat exchange, so the heat that is absorbed (from where???) by the system stays within the system.