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Question- Calculate the pH at the equivalence point for the titration of 0.10 M NH3 by 0.10 M perchloric acid. pKb for NH3=4.74; hint: consider the change in volume before and after reaction
Complete calculation is required.
describe one or more simple chemical tests that would distinuish acetaminophen from ibuprofem
Calculate the pH of a solution prepared by dissolving 0.40g of Na2O in enough water to make 0.600 L of solution? Express your answer using two decimal places.
the precipitate is dissolved on heating the solution and is generated back on cooling . Identify the metal ion which may contain, also, write a balanced equation corresponding to the formation of precipitate
what mass in grams of lead(II) Iodide is formed, assuming the reaction goes to completion? b) What is the molarity of Pb2+ in the resulting Solution?
You know that standard atmospheric pressure is 14.7 psi thus the booklet must mean 12.3 psi above atmospheric pressure. At what temperature in degrees Celsius will your food cook in this pressure cooker set on high
Calculate the molarity (M) of a solution prepared by dissolving 13.1 g of HI in enough water to make 2.35 L of solution.
Titration of an oxalate sample gave the following percentages of percent oxalate: 12.28%, 12.54%, and 12.24%. Calculate the average and the standard deviation.
Define what would happen if the Mg ribbon was left out and a layer of Magnesium oxide formed on it and was not rubbed off with the steel wool. Explain what would happen to your results. Define and why is it significant that we compute the volume o..
If 25 mL of 7.0 M H_2SO_4 was spilled, what is the minimum mass of NaHCO_3 that must be added to the spill to neutralize the acid?
From the images of the structure of benzil, if the ketone groups are facing opposite directions, you get a net 0 diploe moment because they cancel. But if you have a cis molecule, then they both face the same direction.
Solve the problem given below For the hydrolysis of ATP to ADP and Pi the delta G0' is -30kJ/mol. a. What is the equilibrium constant for the hydrolysis
0.4647g sample of a compound known to contain only carbon, hydrogen and oxygen was burned to yield 0.8635g of CO2 and 0.1767g of H2O. What is the empirical formula of the compound
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