Chemistry, 02.11.2019 06:31 myla18jabbar
Consider a 300-l storage tank of a solar water heating system initially filled with warm water at 45°c. warm water is withdrawn from the tank through a 2-cm diameter hose at an average velocity of 0.5 m/s while cold water enters the tank at 20°c at a rate of 5 l/min. determine the amount of water in the tank after a 20-minute period. assume the pressure in the tank remains constant at 1 atm.
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How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.
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Consider a 300-l storage tank of a solar water heating system initially filled with warm water at 45...
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