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Wet air containing 4.0 mole% water vapor at 76°F and 14.8 psia is passed through a column of calcium chloride pellets. The pellets absorb 97% of the water and none of the other constituents of the air. The column packing was initially dry and had a mass of 3.40 kg. Following 5.0 hours of operation, the pellets are reweighed and found to have a mass of 3.52 kg. Calculate the molar flow rate (mol/h) of the feed gas and the mole fraction of water vapor in the product gas.
Calculate the bubble-point temperature, evaluate f for the first guessed value of T, and then vary T in increments of ± 5°C until the value of f changes sign from its initial value - Briefly explain why the variations in bubble-point temperature f..
A small portable generator can be started by pulling on a cord to start the engine and supplies ac current directly to an installation. What can you conclude about this generator in terms of its excitation?
Calculate the change in the energy in the system when the second solenoid is slipped over the first.
Nitrogen gas initially at 8.5 bar expands isentropically to 1 bar and 423.15 K (150°C). Assuming nitrogen to be an ideal gas, calculate the initial temperature and the work produced per mole of nitrogen.
Describe two potential options for improving the blood compatibility of biomaterials, discuss their potential for ultimately improving blood compatibility and describe any engineering challenges to implementing these to practice.
gold has a face centered cubic crystal structure where there are four atoms per unit cell.below is a calculated xrd
How many kilograms of natural gas are flowing through the pipelines per hour ( use different steps required in material balance calculations).
The following two reactions take place in a gas phase reactor at 3000 K and 1 atmosphere pressure: 2CO2(g) 2CO(g) + O2(g) Keq.1071 O2(g) + N2(g) 2NO(g) Keq.01493
The product is an equilibrium mixture of crystals and a saturated aqueous solution containing 15.4 mole% NaC2H3O2. The effluents (crystals, solution, and water vapour) are all at 50°C.4.2.1 Calculate the feed rate to the crystallizer in kmol/h. (4..
Operation of a modern telephone handset, In a modern telephone handset, the microphone uses a piezo-electric crystal and the earpiece is a miniature loud speaker using a moving coil and a permanent magnet.
The advanced technologies used for solar power generation
What is the minimum pressure that we must have at the exit of the compressor in order to achieve liquefaction?
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