(1 ) A 20kg sample of pure water at 40℃ is mixed with 20kg sample of pure water at 32℃,Using the average temperature of each sample,deternime the approximate net change in entropy of the total quantity of water.The apecific heat of pure water is
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![(1 ) A 20kg sample of pure water at 40℃ is mixed with 20kg sample of pure water at 32℃,Using the average temperature of each sample,deternime the approximate net change in entropy of the total quantity of water.The apecific heat of pure water is](/uploads/image/z/1858337-17-7.jpg?t=%281+%29+A+20kg+sample+of+pure+water+at+40%E2%84%83+is+mixed+with+20kg+sample+of+pure+water+at+32%E2%84%83%2CUsing+the+average+temperature+of+each+sample%2Cdeternime+the+approximate+net+change+in+entropy+of+the+total+quantity+of+water.The+apecific+heat+of+pure+water+is)
(1 ) A 20kg sample of pure water at 40℃ is mixed with 20kg sample of pure water at 32℃,Using the average temperature of each sample,deternime the approximate net change in entropy of the total quantity of water.The apecific heat of pure water is
(1 ) A 20kg sample of pure water at 40℃ is mixed with 20kg sample of pure water at 32℃,Using the average temperature of each sample,deternime the approximate net change in entropy of the total quantity of water.The apecific heat of pure water is 4186J/kg.K
(2)A nuclear power plant operates at 75 percent of its maximum theoretical efficency between temperatures of 660℃ and 360℃.If the plant produces electric energy at the rate of 1.1 GW,how much exhaust heat is discharged per hour?
(1 ) A 20kg sample of pure water at 40℃ is mixed with 20kg sample of pure water at 32℃,Using the average temperature of each sample,deternime the approximate net change in entropy of the total quantity of water.The apecific heat of pure water is
去看看你的英语老师吧,他(她)也许可以帮到你,如果不能的话,也许可以给你准确的翻译出来,再做物理就简单多了.