Now let\'s briefly discuss diving without gear. If Gabor takes a deep dive witho

Question

Now let's briefly discuss diving without gear. If Gabor takes a deep dive without scuba gear, and without inhaling or exhaling, which of the graphs in the figure (Figure 1) best describes the pressure-volume relationship of the air in his lungs? Again, assume that the temperature of the air is constant (body temperature) and that the air acts as an ideal gas. Note that the units and scales are not shown on the graphs because they depend on the number of moles of the gas. Choose the letter associated with the graph that best depicts the pressure-volume relationship. A B C D What type of expansion does the air in the "free diver's" (no gear) lungs undergo as the diver ascends? Give the answer as one word.

Explanation / Answer

Part C) Option B.

As T is constant, so PV = constant.

Part D) Isothermal.

Because temperature remains constant.

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