Evaluate the concentrations
A solution is prepared by mixing 50.0 mL of 0.50 M Pb(NO3)2 with 50.0 mL of 1.7 M KCl. Calculate the concentrations of Pb2+ and Cl ‾ at equilibrium. Ksp for PbCl2(s) is 1.6 multiplied by 10-5.
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An oxygen tank contains oxygen at a pressure of 70 kPa. When the pressure drops to 36 kPa, the temperature increases from 300 K to 350 K. If the initial volume is 9 L, what is the final volume?
A boatman must carry a wolf, a goat and a cabbage across a river in a boat which is so small that he can carry at most, only one of them with him in at a time.Moreover whenever the wolf and goat are together, he must also be present to keep th
Water's heat of fusion is 80. , and its specific heat is 1.0 . Some velomobile seats have been designed to hold ice packs inside their cushions. If you started a ride with ice packs that held 1500 of frozen water at 0 , and the temperature of the
Four laboratory-scale, continuous-flow, completely mixed activated sludge reactors have been operated using wastewater from a yeast production plant. The data found are shown in Table below. Determine the parameters, Y, kd, μmax, and Ks.
How much precipitate will be produced if 6.65 g of Ca(NO3)2 reacts completely with excess Na3PO4? The molar mass of Ca(NO3)2 is 164.1 g/mol and the molar mass of Ca3(PO4)2 is 310.2 g/mol.
Suppose that in changing samples, a portion of the water in the calorimeter weere lost. In what way, if any, would this change the heat capacity of the calorimeter?
Lets design the members if they are made of wood(compression and tension design strength = 5000psi) or aluminum (???compression and tension design strength= 20000psi). Do not use any safety factors. Can you use any of the wood or aluminum piece
when 7.50g of magnesium reacts with 9.50g hydrochloric acid, hydrogen gas is formed. what is the limiting reagent?
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A 67-year-old man is diagnosed with alcohol use disorder. Past medical history includes hypertension, seasonal allergies, and end stage renal disease.
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