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Calculate the pH of a 2.96 M solution of 2,4,6-trimethylpyridine. The Kb of 2,4,6-trimethylpyridine is 2.7x10-7 I've really been struggling with this stuff because i've been out of school sick, if there is any way that the steps can be shown in a more broad spectrum instead of ever little detail that would be appreciated. i get lost when there is so much stuff on the page and its hard to follow.
A piece of metal of mass 20 g at 99?C is placed in a calorimeter containing 55.8 g of water at 23?C. The final temperature of the mixture is 30.4?C.
Why is the same volume of thiosulfate used in each reaction? What is the purpose of the thiosulfate? [You must explain the technical reasons for including the thiosulfate
What types of stationary phases used for column chromatography and HPLC? How these staionary phase work and what types of compounds can be separated using this?
Assuming all gases are at the same pressure and temperature, how many liters of CO2 are formed from 15.0L of CO.
How many milliliters of 0.10 M HCl would have to be added to 100 mL of a saturated solution of PbCl2 in contact with 50.0 g of solid PbCl2 to reduce the Pb2+ concentration to 0.0050 M? (Don't forget to take into account the combined volumes of the..
Consider the reaction, 2 D(g) + 3 E(g) + F(g) => 2 G(g) + H(g) When [F] is decreasing at 0.60 mol/Ls, how quickly is [G] increasing
calculate acidic and basic buffer capacity. How much of strong acid should be added to shift buffer pH one unit down, and how much of the strong base is needed to bring buffer pH one unit up?
Diphenylethyne can be prepared from meso-1,2-dibromo-1,2-diphenylethane, by double E2 elimination via the corresponding alkene. a) Which alkene is initially formed?
Calculate the number of moles of Cl atoms in 1.81×1024 formula units of magnesium chloride,MgCl2 . Express your answer numerically in moles.
What is the theoretical economy of heating A mixture of sodium carbonate and sodium bicarbonate ? sodium carbonate is the desired product and water and carbon dioxide are the undesirable wastes.
What is the partial pressure of hydrogen and nitrogen when the gas mixture is composed of 8.00 g hydrogen and 56 grams nitrogen.
Cesium ions are added to flood the flame with electrons. It needs to be in a large concentration, larger than what is being measured.
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