Chemistry, 25.09.2019 01:20 deanlmartin
Heat exchange between oil and water. water is flowing at the rate of 1.13 kg/s in a 1-2 shell-and-tube heat exchanger and is heated from 45°c to 85°c by an oil having a heat capacity of 1.95 kj/kg. k. the oil enters at 120°c and leaves at 85°c. calculate the area of the exchanger if the overall heat-transfer coefficient is 300 w/m2.k.
Answers: 2
Chemistry, 22.06.2019 12:00, angtrevv
In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?
Answers: 1
Chemistry, 23.06.2019 00:00, alisonsolis155
Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
Answers: 3
Heat exchange between oil and water. water is flowing at the rate of 1.13 kg/s in a 1-2 shell-and-tu...
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