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An air bubble at the bottom of a lake 37.0 m deep has a volume of...

An air bubble at the bottom of a lake 37.0 m deep has a volume of 1.00 cm3. The temperature of the bubble at the bottom is 5.5°C while at the surface it is 18.5°C. Additional info: The pressure increases by approximately one atmosphere for every 10 meters of water depth.

  1. Assume that the air bubble consists entirely of nitrogen N2. Calculate the change in the thermal energy as the air bubble rises from a depth of 37.0 m to the surface.
  1. Despite what your professor may say, the process by which the bubble rises cannot be adiabatic based on the information provided. Explain why. Justify your answer in detail.
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Answer #1

Bubble rises due to difference in density of air inside bubble and water.

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