Ethanol vapor is present in the atmospheres of cold gas giant planets in our sol

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Ethanol vapor is present in the atmospheres of cold gas giant planets in our solar system. Planetary scientists believe that the ethanol vapor may freeze out and fall as ethanol “snow” in the polar regions of these planets. Assume the polar regions of Uranus are defined to be north of 75° N latitude and south of 75° S latitude. If 1 ft of ethanol snow falls in these regions, what is the minimum amount of energy lost from the atmosphere to produce this much snow? How much power is dissipated if 1 ft of ethanol snow falls in one Earth day? Assume that solid ethanol has a density of 1 g/cm3 and that ethanol snow is about 90% empty space – it is fluffy like Earth snow. The specific heat is 1.3 J/g·K for ethanol vapor, 2.44 J/g·K for liquid ethanol, and 1.2 J/g·K for solid ethanol. The latent heat of vaporization for ethanol is 858 kJ/kg.

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