# A diver 55 m deep in 10 degrees Celcius fresh water exhales a 1.5-cm-diameter bubble.

A diver 55 m deep in 10 degrees Celcius fresh water exhales a 1.5-cm-diameter bubble.What is the bubble’s diameter just as it reaches the surface of the lake, where the water temperature is 20 degrees Celcius? Assume that the air bubble is always in thermal equilibrium with the surrounding water