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Thermodynamics Sun Heat Sample Solution

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I solved part a of this problem easily. The rest of this problem has me stumped. I already have the solutions to these problems, but it's arriving at these solutions that has made me pull my hair out!

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I have solved the second and the third part of the problem.

A). How many kilograms of water can be evaporated from a 1-m2 surface of water in a lake on a hot clear summer day, if it is assumed that the limiting factor of the Sun's heat of 4 j min-1 cm-1 for an 8-hour day? Assume that the air and water temperature remains constant at 40ºC. Solved!! 7.99x10-2 kg/m2

B). What volume of air is needed to hold this much water ...

Solution Summary

The thermodynamics for sun and heat sample solutions are determined.

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Laws of Thermodynamics

We can say that life on earth is supported by the sun as the ultimate energy source and that life on earth would not exist without this source of energy.

How does this statement relate to the two laws of thermodynamics? Please provide examples.

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