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You are designing a system to control the water transport in the fuel cell. A stream of air with a flow rate of 1.0 l/min is humidified at 80 oC as well as is mixed with another stream of air with a flow rate of 1.5 l/min humidified at 60 oC. The resulting stream is cooled to 15 oC. Compute the fraction of water which condenses. The vapor pressure of water at 80, 60 and 15 oC is 47.36, 19.92 and 1.7 kPa, respectively. 1 atm=100 kPa.
when 0.800 grams of NaOH is dissolved in 100.0 grams of water, the temperature of the solution increases from 25.00 degree to 27.06 degree .
Explain this theary and how the shapes of simple molecules and polyatomic ions can be worked out using it. you will need to illustrate your account with a number of diagrams, in particular showing the difference typical shapes of simple molecules ..
0.10 m potassium chromate is slowly added to a solution containing 0.50 m agno3 and 0.50 m bano32. what is the ag
question silver can be electroplated at the cathode of an electrolysis cell by the half-reactionagaq e- ? agswhat mass
Then if you inserted the unknown piece of the metal into the solution of iron (III) chloride a deposit formed on the bottom of the well in the well plate. Where does the unknown metal fit into your activity series?
Ethylene glycol, C2H6O2 (MW=62.1mol) has a density of 40.0 mass percentage and a solution of ethylene glycol in water is 1.0514 g/mL at 20 EC. Calculate the molality of the solution
A first order reaction has a rate constant of 0.210 at 25 oC and 4.91 at 42 oC. Calculate the value of the activation energy in KILOJOULES
Using 1-Propanol as your only source of carbon, propose a synthetic route for 2-methyl-1,3-pentanediol.
If you have 4.26 g of caffeine dissolved in 94.6 mL of water and the extraction coefficient between H2O and CH2Cl2 is 21.51. How many grams of caffeine will extract into the CH22Cl2 layer if you use 59.9 mL
Carbon dioxide is eliminated from pyruvate ions by a decarboxylase enzyme through the following first order reaction Pyruvate(l) goes to CO2(g) + acetaldehyde(l)
What differences are noticed when a acid or base is added to distilled water as compared to the buffer solutions
D-xylose residues are present in the greatest amount and are attached by ß (1->4) glycosidic bonds. Draw the structure of a disaccharide consisting of D-xylose
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