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Please show all of your work and any explanations as I am trying to learn how to do this. I don't JUST want the answers. I need the animals, but really WANT to know how to work these problems. :) Thank you! Give the concentration of the following solution in molality and molarity. A 10 mL aliquot of a 10 M solution diluted to 250 mL A 25 mL aliquot of a 10 M solution diluted to 250 mL A 57 gram beaker that weighs 82 grams after NaCl is added transfers all of the NaCl into a 100 mL volumetric flask and dilutes it to the mark.
What exactly is the reduction of alkynes? I just understand that it is a method for synthesizing alkenes. Why are the leaving groups for E2 reactions not as good as E1 reactions?
A lab protocol on synthesizing sulfathiazole from p-acetamidobenzenesulfonyl chloride and 2-aminothiazole. It would be appreciated if exact amounts of reagents, solvents, etc (in grams, mmols, mls - etc), could be given.
Propose a mechanism for the addition of bromine and water to cyclopentene. Be sure to show how the trans product results
Produce MnO2 (s) and Oxygen gas. Balance the equation for the oxidation of hydroperoxide ion to O2 (g) by permanganate ion in a basic solution.
Hardness in groundwater is due to the presence of metal ions, primarily Mg2+ and Ca2+. Hardness is generally reported as ppm CaCO3 or mmol/L Ca2+.
A phosphorous acid buffer needs to be prepared to a pH of 5.92; given a 120mL solution of 25mM phosphorous acid, how many milliliters of either 0.5M KOH or 0.4M HCl will need to be added
How many milliliters of a 0.28 M HCl solution are needed to react completely with 8.4 g of zinc to form zinc(II) chloride? Answer in units of mL.
Starting with only the solid, it is found that at 40C the total gas pressure (NH3 and CO2) is 0.33 atm. Calculate the euilibrium constant Kp/
To what volume must 558 mL of 13 M Ca(OH)2 solution be diluted to make a 3 M Ca(OH)2 solution?
Disulfur dichloride is produced by reacting chlorine gas with molten sulfur. What is the percent yield if 3.25 g S2Cl2 is isolated from the reaction of 5.0 g S8 and 3.75 g Cl2
what mass of limestone is required to remove all the sulfur dioxide formed by the combustion of 7.2 104 kg of coal that is 0.33 mass % sulfur?
Draw the isomeric alcohols (C6H14O) that can be synthesized via a sodium borohydride reduction of an aldehyde.
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