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Calculate the molarity of each of these solutions.
a. A 5.623-g sample of NaHCO3 is dissolved in enough water to make 250.0 mL of solution.
b. A 184.6-mg sample of K2Cr2O7 is dissolved in enough water to make 500.0 mL of solution.
c. A 0.1025-g sample of copper metal is dissolved in 35 mL of concentrated HNO3 to form Cu2 ions and then water is added to make a total volume of 200.0 mL. (Calculate the molarity of Cu2.)
A preliminary (Class 4) estimate of the ISBL capital cost of building a 200,000 ton per year ethanol plant by corn dry milling has been stated as $130 MM -30%/+50%.
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.
The estimated cost of the pipes, per unit length is: schedule 40 carbon steel $5, schedule 80 carbon steel $8.30, stainless steel (304) schedule 40 $24.80. Installation and fittings for all the materials adds $16.5 per unit length. The downtime re..
A charge variation with time is given in Figure P1.1.8. Draw the corresponding current variation with time.
Assuming that there are no other significant side reactions, calculate masses of alcohol and ether produced, per 1000 kg of allyl chloride fed to the reactor.
Determine the concentration of the exhaust gas and Determine the flow rate of exhaust gas through the smokestack.
This is a fluid dynamics experiment involving the filling and emptying of tanks. The objectives of the experiment include: Determination of the discharge coefficient of the orifice and the equivalent length of a pipe mounted at the outlet of the two..
A reverse osmosis plant is to be designed to produce 50 kg/s of boiler feed water with less than 20 ppmw of NaCl starting from sea water that contains 3.5 wt% NaCl. The 40 m2 membrane modules operate at 60 atm and achieve a flux of 0.4 m3 /m2 .day..
where V is the molar volume at temperature T, and a is a constant. Initially one mole of the gas is at temperature T1 and occupies volume V1. The gas is allowed to expand adiabatically into a vacuum so that it occupies a total volume V2.
A 1 m^3 isolated chamber with rigid walls is divided into two compartments of equal volume. The partition permits transfer of heat. One side contains a nonideal gas at 5 MPa and 300 K and the other side contains a perfect vacuum.
Estimate the diffusion coefficient of Oil Dispersant A in a 10 mole percent Dispersant A -sea water mixture. The concentrated solution is non-ideal
A synchronous generator has a rotor with six poles and operates at 60 Hz.
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