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How many grams of zinc will be deposited from a solution of zinc (II) sulfate by 3.40 faraday of electricity?
If the annual production of acetyl salicylic acid in the U.S.A were converted to 5-grain aspirin tablets, approximately how many tablets would there be for each person? Assume that the population is about 3.0 X 10 ^8. Show Calculation
Thomas Jefferson Snodgrass found an unlabelled reagent bottle in his -80 C freezer. The Bottle contained a liquid. He found that the compound( compound 1) quickly evaporated when warmed to room temperature. H-NMR of the compound showed only two pe..
if 3.30 moles of ethane c2h6 undergo combustionaccording to the unbalanced equation c2h6o2--gt co2h2o how many moles of
Draw a mechanism showing electron flow with curvy arrows that includes all steps and intermediates going from starting materials to TPCP
1.00 x 10-2 M Mg(NO3)2 and 250 ml of 1.00 x 10-1 M NaF.Calculate the concentrations of Mg2+ and F- at equilibrium with solid MgF2 (Ksp of MgF2 = 6.4 x 10-9).
A sample of CaCO3 with a mass of 4.74 g is placed in 500.0 mL of 0.63M HCl, forming CaCl2, H2O, and CO2. What mass in grams of CO2 is produced
The CaC2O4*H2O precipitate is not completely air-dried when its mass is determined. Will the reported mass of the limiting reactant in the original salt mixture be reported too high or too low
what is the radius of the cross section of a cylinder that has a volume of 644.0 m3 and a height of 12.6 m?
Bacteriorhodopsin is a protein found in Halobacterium halobium that converts light energy into a transmembrane proton gradient that is used for ATP synthesis
Calculate the theoretical yield of C2H5Cl when 139 g of C2H6 reacts with 232 g of Cl2 , assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl .
How much energy in kilojoules is required to convert 260 mL of water at its boiling point from liquid to vapor.
A 28.5 g sample of an unknown metal is heated to 95.0C and then dropped into 58.0 g of water in a coffee-cup calorimeter. The temperature of the water rises from 23.5 C to 27.1C.
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