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The mass flow rate, specific heat, as well as inlet temperature of the tube-side stream in a double-pipe, parallel-flow heat exchanger are 3200 kg/h, 2.0 kJ/kg• K, and 120°C , respectively. The mass flow rate, specific heat, as well as inlet temperature of the other stream are 2000 kg/h, 4.2 kJ/kg•K, and 20°C, respectively. The heat transfer area as well as overall heat transfer coefficient are 0.5 m2 and 2.0 kW/m2•K, respectively. Determine the outlet temperatures of both streams in steady operation using the (a) LMTD method and (b) the effectiveness-NTU method.
a solution prepared by dissolving 45.0 g ofniso4nbspin water. what current would be needed to deposit all of the nickel
A gas cylinder contains only the gases radon, nitrogen, and helium. The radon has a pressure of 222 torr while the nitrogen has a pressure of 446 torr. If the total pressure inside the cylinder is 771 torr, what is the pressure that is due to the ..
Compute the atomic packing factor for cesium chloride assuming thatthe ions touch along the cube diagonals. Ionic radii ofCs+ and Cl- are 0.170 nm and 0.181 nm,respectively
Express the hamiltonian operator for the internal motion of Li atom and the proper expression for the approximate
If a system is warmed by its surrounding and the system compresses its surroundings then: A. Delta E system is negative B. Delta E system is positive C. Delta E total is negative D. Delta E total is positive
Calculate the amounts of Cu AND Br2 produced in 1.0 h at inert electrodes in a solution of CuBr2 by a current of 4.50 A. MW (Cu) = 63.55 g/mol /MW (Br2) = 160 g/mol & n = 2 mol e-
dissolved .31 grams of KHP in 25 ml of water and it required 15.5ml of NaOH to reach end of titration, how many moles of KHP were originally present before the addition of the NaOH?
Tincture of iodine is I2 dissolved in ethanol, C2H5OH. A 1% solution of tincture of iodine is 10.0g of solute for 1000. g of solution. How many grams of solvent are present in 1000. g of this solution? How many moles of solute are in 10.0g of I2? ..
a rolling axle 1.50 m long is pushed along horizontal rails at a constant speed v3.00 ms. a resistor r0.400omega is
Write a brief discussion of the bond dipoles of iodomethane and the corresponding Grignard reagent.
You are given a compound with an unknown concentration and you have five samples with known concentration of the compound. List 3 pieces of information you need to determine in order to calculate the unknown concentration spectrophotometrically.
a sample contains 67.0% of the R isomer and 33.0% of its enantiomer, what is the observed specific rotation of the mixture?
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