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Differential Energy Balance
In the batch preparation of an aqueous solution, the water is first heated to 80 °C in a jacketed, agitated vessel; 1000 Imp. gal. (4545 kg) is heated from 15 °C. If the jacket area is 300 ft2 (27.9 m2) and the overall heat transfer coefficient can be taken as 50 Btu ft-2 h-1 °F-1 (285 W m-2 K-1), estimate the heating time. Steam is supplied at 25 psig (2.7 bar).
Hardness is 160 ppm and flow rate is 40 m3/hr ,I want to know the amount resin quantity required. Please give me a solution with details.
The star point on the primary side of the transformer bank is grounded. The load consists of a heating load of 2 kW per phase and a three-phase induction-motor load of 20 kVA with a lagging power factor of 0.8, supplied at 230 V line-to-line.
process principles assignment production of formaldehydeworld formaldehyde production is estimated to be about 8
By a two-way analysis of variance determine whether the variance between the reactors and between the temperatures is highly significant (0.01 probability level). Even though no replicates were made at any condition,
Calculate the concentration of all ions present in each of the following solutions of strong electrolytes.
Balanced wye-connected loads drawing 10 kW at 0.8 power factor lagging and 15 kW at 0.9 power factor leading are connected in parallel and supplied by a 60-Hz, 300-V, three-phase system. Find the line current delivered by the source.
Figure shows an x-ray diffraction pattern for a-iron taken using a diffract meter and monochromatic x-radiation having a wavelength of 0.1542 nm; each diffraction peak on the pattern has been indexed.
The feed (CAo= 1.0, CRo= 0, CSo= 0) enters two mixed reactors in series (?1= 2.5 min,?2= 10 min) knowing the composition in the first reactor (CA1= 0.4, CR1= 0.4, CS1= 0.2),find the composition leaving the second reactor (using fractional yield co..
Derive Eq. (49) for the optimum economic pipe diameter and compare this to the equivalent expression presented as Eq. (5-90) in J. H. Perry and C. H. Chilton, ed., "Chemical Engineers' Handbook," 5th ed., p. 5-32, McGraw-Hill Book Company, New Yor..
what was the mass of the ore sample? Which of the four transition metal ions in this titration has the highest oxidation state?
calculate the pounds of hydrogen that can be handled per minute when the power supplied to the pump is 224 kW. Kinetic-energy effects can be neglected.
Assuming 8.0 hours of useful sunlight per day, calculate the minimum solar panel surface area necessary to provide all of a typical home's electricity. (See Exercise 96 for the energy rate supplied by the sun.)
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