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Define if 4.1 g of Pb(NO3)2 is added to enough water to make a 100.0 mL solution, explain what is the final concentration of free nitrate ions (NO3-)?
Calculate the pH of the solution which results from adding 38.54 mL of 0.1012 M KOH to the cyanic acid/cyanate buffer of the previous problem(*). You must show appropriate chemical equations for full credit.
the temperature of the calorimeter (including its contents) rose by 6.789 °C. What is the heat capacity (calorimeter constant) of the calorimeter
Suppose that aqueous solutions of barium nitrate and potassium carbonate are mixed. What is the name of the compound or compounds that precipitate
A flask contains 0.180 of liquid bromine br2, . Determine the number of bromine molecules present in the flask.
a chemist burns 160 g of aluminum in oxygen to produce aluminum oxide. she produces 260 g of aluminum oxide. write a
Consider the reaction of aluminum chloride (AlCl3) with sulfuric acid (H2SO4):2AlCl3(aq) + 3H2SO4(aq) ? Al2(SO4)3(aq) + 6HCl(aq) (a) 2.67 g of aluminum chloride is reacted with 1.96 g of sulfuric acid. Calculate the moles of aluminum chloride and s..
What is the maximum wavelength for the second laser that will cause two-photon ionization. The ionization energy of potassium is 6.96E-19J
How are fatty acid oxidation and different from one another, Metabolism uses various ways to ensure that 2 opposing pathways do not occur at the same time. For the following pair of pathways list 2 ways (different cell location
How many moles of iron(III) hydroxide are needed to react with excess nitric acid to produce 67.0 g iron(III) nitrate
a cylinder measuring wide and high is filled with gas and the piston pushed down with a steady force. calculate the
NaOH required for titration of 10 mL of monoprotic acid solution. What was the original concentration of acid? What was the original pH of acid solution if its pKa is 5.3?
Copper dissolved in nitric acid, producing copper (II) nitrate. After reaction with sodium hydroxide an heating, copper nitrate changed to copper(II) oxide. Calculate the percent yield of this process if 1.025g of copper produced 1.025 g of copper..
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