Three laboratory rats are placed inside three identical environmental chambers a

Question

Three laboratory rats are placed inside three identical environmental chambers and subjected to three different cycles of changing volume and pressure. In each case, the maximum and minimum values of volume and pressure were the same. In each case, the chamber returns to its original volume and pressure at the end of the cycle. PV diagrams describing the three cycles are shown in the figure. Which rat was subjected to the highest temperature? Explain. Which rat was subjected to the lowest temperature? Explain.

Explanation / Answer

1. Rat A because we see that the pressure-volume product at a given time is maximum for graph A.

2. Rat B because we see that the pressure-volume product at a given time is minimum for graph B.

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