A 8:27 75% M. Ade dvdpou 1, KoukoÚ入L 26334-Nátpa, Ayala 2610 369274 Ediamond@uop.gr 6kN/m 100mm 20kN B 2.4m .1.2m Beclass.uop.gr C
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- 19.1 10 SLE oz 19.1-22. Diffusion and Heterogeneous Reaction on a Surface. In a tube of radius R m filled with a liquid, dilute component A is diffusing in the nonflowing liquid phase repre- sented by 16 be A828 XUh She lE SE dc NA=-DAB 35 00 A АВ dz where z is distance along the tube axis. The inside wall of the tube exerts a catalytic effect and decomposes A so that the heterogeneous rate of decomposition on the wall in kg mol A/s is equal to kc Aw, where k is a first-order constant and Ay is the wall area in m2. Neglect any radial gradients (this means a uniform radial concentration). Derive the differential equation for unsteady state for diffusion and reaction for this system. [Hint: First make a mass balance for A for a Az length of tube as fol- lows: rate of input (diffusion) +rate of generation (heterogeneous) rate of outpur (diffusion)+ rate of accumulation.] sds a'сА 2k дс А A = D Ans. A R az3 АВ OTOt 19.2-1.bliuzodt to mopolb 9. If machine parts are degreased by means of kerosene as shown in the diagram, how much kerosene make-up is needed per day? How much kerosene has to enter the degreasing vat per day? There are about 3 lb of grease per 100 lb of machine parts, and 60 tons of machine parts are processed each day. Five thousand pounds of kerosene (the 10% solution) are carried away by the machine parts each day but drip off and are caught and put back in the degreasing vat. Two hundred pounds of the 10% solution are lost each day from the vat by evaporation, spillage, or by being carried away.Ggg
- * = 0.664 - (NRe,)s. (N.) %3D Question 2 20 The inner and outer surface temperature of a 6.9 mm thick glass window are 17.2 and 6.4 °C, respectively. What is the heat loss in W through a window that is 1 m by 3 m on a side? The thermal conductivity of glass is 1.6 W/mK. Please keep one decimal and take positive value for the final answer. « Previous Next Not saved Subm 99+ msiPls help ASAP and pls show all steps. PLS ASAPhttps://pubmed.ncbi.nlm.nih.gov/32521345/ I want to know what them came up with in this project? using link to know that pls veryyyy urgent i will give u like
- I need the answer as soon as possibleBoth Fouriers law of heat conduction and ficks law of mass diffusion can be expressed as Q=-kA(dT/dx). What do the quantities Q, k, a and T represent in a) heat conduction b)mass diffusionAfter the sinking of RMS Titanic, US operated the International Ice patrol with the purpose of monitoring the presence and movements of icebergs in the Atlantic and Arctic oceans. Once, they observed a unique tabular iceberg in a form of a rectangle (250 km x 50 km x 300 m). How many years would it take to melt the iceberg solely by heat from the sun if the ice absorbs a mean of 98 J/m2 -s, 12.5 hrs per day? Note: the exposed area for heating is 250 km x 50 km and the density is 920 kg/m3 . This is my solution.
- Q1: A) : Oxygen (A) is diffusing through nondiffusing carbon monoxide(B) .The total pressure is 1*105 N/m2 and the temperature 298 k. The partial pressure of oxygen at two phases 3.0 mm apart is respectively 12000 and 7500 N/m?. The diffusivity of the mixture is 1.78 *10 5 m?/s. Calculate the rate of diffusion of oxygen in kmol/s through each square meter of the two planes. IR I. Resaleul f.ucion f oxugon (Al throughHomwork-6.png Homework-6 P.1 Calculate the dryness fraction (quality) of steam which has 1.5 Kg of water in suspension with 50 Kg of steam? A vessel having a volume of 0.05 m contains a mixture of saturated water and saturated steam at a temperature of 245 ° C. The mass of liquid present is 10 Kg. P.2 Find the following: (a) The pressure. (b) The mass. (c) The specific volume. (d) The specific enthalpy (e) The specific entropy. (f) The specific internal energy.Q: The specific gravity of a solution of KOH at 15°C is 1.0824 and contains 0.813 Ib KOH per U.S. gal of solution. (A) What are the mass fractions of KOH and H2O in the solution? (B) What is the volume in (m3) of 325 kilograms of this solution at the same temperature (15°C)? Q: In a gas-separation plant, the feed to the process has the following constituents: component Mole % Cudeer overhead C3 1.9 Reflus Feed DC i- C4 51.5 n-C4 46 Bottom C5 0.6 Total 100