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A student wants to prepare 1.00 L of a 1.00 M solution of NaOH (molar mass 40.00 g/mol). If solid NaOH is available, how would the student prepare this solution? If 2.00 MNaOH is available, how would the student prepare the solution? To help insure three significant figures in the NaOH molarity, to how many significant figures should the volumes and mass be determined?
The length of the pipe line =305 m. The efficiency of the pump is 40 % and includes the losses at the entrance and exit of the pump. if the flow rate of the water is to be maintained at 3.15*10^-3 m3/s. and the water temperature at 16 oc . ,estima..
draw and label a flow chart the process. In addition to the process provided in the above flow sheet, Additional variables and relationships are defined. They are shown separately here for clarity
oleum or fuming sulfuric acid available commercially in concentrations ranging from 20 to 99.9 sulfur trioxide. a.
A 100-liter fed-batch fermenter was successfully operated for 200 h using an aeration rate of 14 l/s and a 5 W agitator. It is proposed to scale the fermentation up to 10,000 liters. What agitator power consumption is required?.
The efficiency of a 400-kVA, single-phase, 60-Hz transformer is 98.77% when delivering full-load current at 0.8 power factor, and 99.13% with half rated current at unity power factor.
Calculate the output torque if the rotational loss at this slip is 400 W.
Cunene is made by alkylation of benzene with propylene over zeolite catalyst. To maximize selectivity to desired products, several beds of catalyst are used inside the same reactor.
If the gases leave the tower at 6 atm, 25 °C, and are expanded to, say, 1.5 atm, calculate the turbine exit gas temperatures without preheat, and if the gases are preheated to 400 °C with the reactor off-gas. Also, estimate the power recovered fro..
A client is interested in using a voice-recognition system to access the computer. Which of the following factors is least critical to success with this method?
Calculate the material and energy balances and perform an entropy analysis of the mixing point, the heat exchanger, and of the entire process. The heat capacities of methane and carbon monoxide are CPA = 40.8 J/mol K, and CPB = 29.4 J/mol K, r..
Assume that the system behaves according to Raoult's law. The saturation pressures of pure acetone and nitromethane at 110 °C are 463 kPa, and 132.4 kPa respectively.
The liquid-phase irreversible reaction A ? B is carried out in a CSTR. To learn the rate law, the residence time, t is varied and the effluent concentrations of species A are measured.
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