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Balance the following half reaction: HS(-) = S2O3(2-) AND calculate what the slope of the boundary between HS- and S2O3^2- is in a pe-pH diagram.
The cube has an edge length of 0.26 ± 0.03 m. The volume of a cone is 1/3(pie)r^2h . What is the volume and uncertainty of the added water?
Why is it important to the place the thermometer bulb at in the lower part of the Hickman still head? What will happen if you place it either a)too low
What is the mechanism for the oxidation of an aldose to an aldonic acid
A 25.0 mL sample of a solution of the weak base aniline, C6H5NH2, requires 25.67 mL of 0.175 M HCl to reach the equivalence point. (Kb for aniline = 4.0 x 10-10)
What was the initial concentration of COCl2?
A) Determine the [OH-] of a 0.16 M ammonia solution. B) Determine the pH of a 0.16 M ammonia solution. C) Determine the pOH of a 0.16 M ammonia solution.
There are two carboxylic acid functions in 3-nitrophthalic acid. The pKa of the acid function at the 2-position is approximately 2, whereas that at the 1-position is about 3. Which of the two is the more acidic and why
How many air molecules are in a 12.5x12.0x10 room? Assume atmospheric pressure of 1.00 , a room temperature of 20.0 , and ideal behavior. Volume conversion:There are 28.2 liters in one cubic foot.
Inhibitors helped to elucidate the electron transport chain. For the conditions below what would happen i) if rotenone were added to a suspension of respiring mitochondria or, ii) if cyanide were added.
describe how sp3 hybridization occurs in each atom. a) carbon b) nitrogen c) oxygen. If these elements use sp3 hybrid orbitals to form bonds, how many lone pairs of electrons would be found on each?
If 3.40 mol Ca(NO3)2 reacts with 2.40 mol Li3PO4 to produce 452g LiNO3, find the limiting reactant, theoretical yield (in grams), and percent yield for the reaction.
Calculate ?SO (universe) for the formation of 1.00 mol of HCl (g) from gaseous hydrogen and chlorine at 25 OC. Is the reaction spontaneous at that temperature
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