Determine the concentration of nonelectrolyte solute
Calculate the concentration of nonelectrolyte solute particlesin human blood if the osmotic pressure is 7.53 atm at37oC, the temperature of the human body.
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Calculate the mass in grams of urea that must be added to 150.g water to give a solution whose vapor pressure is 2.5mm Hg less than that of pure water at 40oC (vp H2O at 40oC=55.34mm Hg)
A 7-m- diameter spherical hot air ballon is neither rising nor falling at some height. The density of atmoshpheric air is 1.3 kg/ m^3 there.
In the linear programming formulation of the shortest route problem, there is one constraint for each node indicating
Heat loss through the walls amounts to approximately 860 kcal/h. If the air is to be maintained at 20°C, what minimum wattage must the heater have? (The specific heat of air is about 0.17 kcal/kg·C°.)
Can students save money by shopping for textbooks at Amazon.com? To investigate this possibility, a random sample of textbooks used last semester at a local university was selected. The prices for these textbooks at the university bookstore and th
You can estimate the diameter by knowing the tensile strength of steel cable is about 5 x 10^8 N/m. Furthermore, the mass of Earth is 6 x 10^24 kg and the mass of the moon is 7.4 x 10^22 kg. The average Earth-moon distance is 3.8 x 10^8.
What should be the testing speed for the model in the wind tunnel to scheive similarity? Consider Reynolds number is the only relevant independent dimensionless parameter for the problem.
It s claimed that 65% of the cars on the Valley Highway are going faster than the 65 mph speed limit. A random sample of 25 cars was observed under normal driving conditions with no police car in sight.
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