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A wastewater treatment plant serves a population of 83, 355 people. If its primary sedimentation tank can remove 55% of the incoming solids, how much primary sludge should be produced each week
the atomic mass of chlorine is listed as 35.454 amu on the periodic table. it has two naturally occurring isotopes, Cl-35 and Cl-37. what are the approximate percentages of each?
Use condensed structures to illustrate the 3 possible charged species and the one neurtral species that can exist in aqueous environments for the polar acidic acid of your choice. Indicate which conditions are present in each of the four drawings.
In the transition metals (the d-block), the electron configuration of cations is different than what you might expect. Instead of the d electrons being lost first, s electrons are lost first.
What mass of Cu is electroplated by running 13.0 A of current through a Cu^2 solution for 4.00 h? Express your answer to three significant figures and include the appropriate units.
2.0 atm H2 and 2.0 atm of CO2 into a 1.00-L container at 25.0C and then raises the temperature to 700C at which Kc=.534 H2 + CO2--> H2O + CO, how many grams of H2 are present at equilibrium.
Calculate the standard free-energy change for the following reaction at 25 degrees C. 2Au^3+(aq) + 3 Cr(s) 2Au(s) + 3Cr^2+(aq)
This sample was reacted with excess ammonia in diethyl ether at 0 c. The product mixture had a specific rotation of -29.9 degrees. If the specific rotation of pure (R) 1-phenyl ethanamine is +39.3 degrees. This reaction resulted in [X] percent inv..
The atomic mass of boron is 10.81 g/mol. The two naturally occuring isotopes are B-10 with a mass of 10.0129 amu and B-11 with a mass of 11.0093 amu. Determine the percent of naturally occuring B-10.
Calculate the volume in liters occupied by 0.350 moles of propane gas at a pressure of 0.850 atmospheres
What is the the structures of both products and how can you distinguished them using IR spectroscopy?
50 g of aluminum oxide is produced in the reaction of aluminum metal and oxygen gas at STP. How many liters of oxygen gas were reacted?
how many grams of ethylene glycol must be added to 700g of water to yield a solution that will freeze at -8.5 degrees Celsius?
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