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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.
A sample of propane,C3H8, contains 11.7 moles of carbon atoms. How many total moles of atoms does the sample contain?
a high-boiling bp 202-204 degrees c burns with a yellow sooty flame. sodium fusion indicated that halogens nitrogen
Find the absolute and percent relative uncertainty and express each answer with a reasonable amount of significant figures. 5.1(+-0.3) - 3.7(+-0.2) Need Numeric Result, Absolute Error, and Relative Error
a large oil spill that resulted from the 1989 shipwreck of the exxon valdez cause considerable damage to alaska's wildlife. do you think a comparable spill of a water-insoluble liquid that has a density of 1.20 g/mL would have been as harmful to w..
A bottle containing 330 of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
Calculate the kilojoules of heat released per gram of the compound reacted with oxygen.The standard enthalpy of formation B5H9 is 73.2kJ/mol
With 69.62g CO2 being produced compared to 97.77g CO2 being produced this would therefore make KMnO4 the limiting reactant and making H2C2O4 would be the reactant in excess
sample of MgO was dissolved in 85.00g of 1 M HCl assume that no heat was absorbed by the walls of the calorimeter and the specific heat of the hydrochloric acid solution is 3.64
The haloform reaction is executed in this experiment to synthesize benzoic acid from a methyl ketone, acetophenone. Provide an explanation for the following steps in the procedure. a) Why is acetone added at the end of the reaction
A student heats a 2.8594 gram sample of mixture that contains an unknown amount of Potassium ChlORATE (KClO3) in a test tube in the presence of some MnO2 catalyst
A 24 L sample of a gas at fixed mass and constant temperature exerts a pressure of 3.0 atm. What pressure will the gas exert if the volume is changed to 16 L?
In a beaker of boiling water, there are many gas bubbles forming throughtout the liquid. What gas comprises the bubbles.
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