Problems T7T. 3 through T7T. 7 refer to the following cyclic gas process:

-What are the signs of $Q, W$, and $\Delta U$ for the process $C \rightarrow A$ ?
A) $0,-,-$
B) $\mathbf{0},+,+$
C),,+- 0
D),,++ 0
E),,-+ 0
F) Other (specify)

Question

Problems T7T. 3 through T7T. 7 refer to the following cyclic gas process:
 
-What are the signs of $Q, W$, and $\Delta U$ for the process $C \rightarrow A$ ?
A) $0,-,-$ 
B) $\mathbf{0},+,+$ 
C),,+- 0 
D),,++ 0 
E),,-+ 0 
F) Other (specify)

Quizplus · Accepted Answer

In the process $C \rightarrow A$, $Q = 0$ because it is an adiabatic process (no heat exchange). $W$ is positive because work is done on the system, and $\Delta U$ is positive because the internal energy increases.

Problems T7T Q,WQ, WQ,W , And ΔU\Delta UΔU For the Process C→AC \rightarrow AC→A

Problems T7T $Q, W$ , And $\Delta U$ For the Process $C \rightarrow A$