(10 blanks) If the gravitational potential energy of the water is equal to the increase in the internal energy of the water, compute the change in its temperature (in Kelvin), if water drops from a height of 50 m. Assume no work is done on/by the water (C = 4184 J/kg K) Sol. Using the first law of thermodynamics: AU=Q - Since W = Then AU=Q But, by virtue of the problem, the internal energy is equal to AU = While Q = ΔΤ Then h= ΔΤ ΔΤΕ K (2 decimal place) %3D
(10 blanks) If the gravitational potential energy of the water is equal to the increase in the internal energy of the water, compute the change in its temperature (in Kelvin), if water drops from a height of 50 m. Assume no work is done on/by the water (C = 4184 J/kg K) Sol. Using the first law of thermodynamics: AU=Q - Since W = Then AU=Q But, by virtue of the problem, the internal energy is equal to AU = While Q = ΔΤ Then h= ΔΤ ΔΤΕ K (2 decimal place) %3D
Chapter4: The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 72AP: A glass beaker of mass 400 g contains 500 g of water at 27 . The beaker is heated reversibly so that...
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