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1. 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 ?ow rate (mol/h) of the feed gas and the mole fraction of water vapor in the product gas.
2. Ammonia is burned with oxygen to form nitric oxide (NO) and water.
a) Calculate the ratio (lbmole O2 react/lbmole NO formed).
b) If ammonia is fed to a continuous reactor at a rate of 100 kmol NH3/h, what oxygen feed rate (kmol/h) would correspond to 40.0% excess O2?
c) If 50.0 kg of ammonia and 100.0 kg of oxygen are fed to a batch reactor, determine the limiting reactant, the percentage by which the other reactant is in excess, and the extent of reaction (mol) and mass of NO produced (kg) if the reaction proceeds to completion.
Electrolytes are compound containing: (1) Electrovalent bond (2) Covalent bond (3) Coordinate bond (4) Hydrogen bond Ans: Electrovalent bond
why pcl3 and s2cl2 are less polar then sicl4
Q. What are the uses of Tellurium? Tellurium is used primarily as an additive to steel to increase its ductility. It is also used as an additive to some catalysts, used in cra
give me assigment of spontaneous and non spontaneous reactions
Various methods are employed to calculate the rate constant. The method to be adopted and the proper selection depend on the experimental condition and nature of reactants and pr
Given below the values below for the activation energies of benzoyl peroxide dissociation, styrene propagation, and styrene termination, and suppose all other parameters remain co
Formic acid is a weak acid along with a pKa of 3.75. The name comes by the Latin term "formica" ("ant") since this is very plentiful into the secretions of several species of ants,
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Sensory panel During the product development cycle it is necessary to conduct periodic quality assessment of the product being developed. This is done either with a consumer
Which type of compounds give witting reactions
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