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The following physics responses are provided by a student and, as such, should be considered in that context. While every effort is made for accuracy, absolute correctness cannot be fully guaranteed.
| Question | |
C | 12 |
I | |
Question A 4-mol ideal gas system undergoes an adiabatic process where it expands and does 20 J of work on its environment. How much heat is received by the system? | |
Answer zero | |
Notes
| User | Added | Note | e | d |
|---|---|---|---|---|
| KillGorack | 2023-07-09 19:43:34 | An adiabatic process is one in which no heat enters or leaves the system. It is an isolated process. In such a process, all changes in the internal energy of the system are due to work being done on or by the system. In this case, if the system is doing 20 J of work on the environment, then the work done by the system (W) is -20 J (negative because work is done by the system, not on it). According to the first law of thermodynamics, the change in internal energy of the system (ΔU) is equal to the heat added to the system (Q) minus the work done by the system: ΔU = Q - W For an adiabatic process, since no heat is exchanged, Q is 0. Therefore: |
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