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11 Dec 2019
Which of the following statements are TRUE? Pick ALL answers that apply.
A.
When a cup of hot coffee cools, the entropy change of the system (ie, cup of coffee) is negative.
B.
A reversible adiabatic process is always isentropic, but an isentropic process is not necessarily reversible adiabatic.
C.
When a cup of coffee cools, the entropy change of the system (ie, cup of coffee) is positive.
D.
The entropy change of a system that undergoes a thermodynamic cycle is dependent on whether or not the processes are reversible.
E.
When a cup of coffee cools, the total entropy change of the system and surroundings is negative.
Which of the following statements are TRUE? Pick ALL answers that apply.
| A. | When a cup of hot coffee cools, the entropy change of the system (ie, cup of coffee) is negative. | |
| B. | A reversible adiabatic process is always isentropic, but an isentropic process is not necessarily reversible adiabatic. | |
| C. | When a cup of coffee cools, the entropy change of the system (ie, cup of coffee) is positive. | |
| D. | The entropy change of a system that undergoes a thermodynamic cycle is dependent on whether or not the processes are reversible. | |
| E. | When a cup of coffee cools, the total entropy change of the system and surroundings is negative. |
Bunny GreenfelderLv2
13 Dec 2019
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