Chemistry, 02.10.2019 05:00 jodonw1955
Problem 2 [o 1,021 a steel tube having k = 46 w/m-c has an inside diameter of 3.0 cm and a tube wall thickness of 2 mm. a fluid flows on the inside of the tube producing a convection coefficient of 1500 w/m2-oc on the inside surface, while a second fluid flows across the outside of the tube producing a convection coefficient of 197 w/m2-oc on the outside tube surface. the inside fluid temperature is 223 c while the outside fluid temperature is 57 c. calculate the heat lost by the tube per meter of length.
Answers: 2
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Under what conditions will a gas be most likely to exhibit the ideal gas properties predicted by the ideal gas law? 1)high pressures and high temperature, because particles are forced closer together with higher kinetic energy, so intermolecular forces of attraction are weaker 2)high pressure and low temperature, because particles are forced closer together and moving slower, so the volume of the particles is less significant 3) low pressure and high temperature, because particles are spread farther apart and moving faster, so the intermolecular forces of attraction are weaker 4)low pressure and low temperature, because particles are spread farther apart with lower kinetic energy, so the volume of the particles is less significant
Answers: 2
Problem 2 [o 1,021 a steel tube having k = 46 w/m-c has an inside diameter of 3.0 cm and a tube wall...
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