(Answered) A diver observes a bubble of air rising from the bottom of

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A diver observes a bubble of air rising from the bottom of a lake (where the absolute pressure is 4.45 atm ) to the surface (where the pressure is 1.00 atm). The temperature at the bottom is 4.0 °C and the temperature at the surface is 23.0 °C.

Part A What is the ratio of the volume of the bubble as it reaches the surface to its volume at the bottom? Express your answer to three significant figures.

Part B Would it be safe for the diver to hold his breath while ascending from the bottom of the lake to the surface? Why or why not?

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