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Hydration of alkynes (via oxymercuration) gives good yields of single compounds only with symmetrical or terminal alkynes. Draw the major organic product(s) formed when hex-2-yne undergoes hydration in the presence of HgSO4 and H2SO4.
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Suppose that a student is determining the total base content of an antacid tablet by performing a back titration. He/she weighs out a .3012g portion of a tablet whose total weight is 1.5312g, dissolves this in exactly 40 ...
A metal slug weighing 16.32g is added to a flask with a volumeof 52.6 mL. it is found that, 40.2 g of methanol (d = 0.791 g/mL)must be added to the metal to fill the flask. What is the density of the metal in g/mL?
Assume that you dissolve 10.2 g of a mixture of NaOH and Ba(OH)2 in 227.0 mL of water and titrate with 1.47M hydrochloric acid. The titration is complete when 107.8 mL of the acid has been added. What is the mass (in gra ...
What would an increase in the metal wire mass indicate when the metal wire starts to form copper on it from a chemical reaction from 6M HCl and copper (II) sulfate pentahydrate? What would a decrease in the metal wire ma ...
A sample of a substance (containing only C, H, and N) is burned in oxygen. 8.696 g of CO 2 , 2.225 g of H 2 O and 4.446 g of NO are the sole products of combustion. What is the empirical formula of the compou ...
Describe how to assign a Oxidation number from the text: The oxidation number of an atom in an elemental substance is zero. The oxidation number of a monatomic ion is equal to the ion's charge. Oxidation numbers for comm ...
What is the density in g/mL of a ball that has a mass of 22.1 ounces and a diameter of 2.04 inches? Will it float if placed in a bucket of water? The answer is "no." Please can you help me Provide the calculations to pro ...
Asolution is prepared by dissolving 22.44 grams of acetic acid inenough water to make250.0 mL of solution. A 25.00-mL aliquot of NaOH solution is thentitrated with the acetic acid solution. 37.28 mL of the acetic acid so ...
Insoluble PbBr2(s) precipitates when solutions of Pb(NO3)2(aq) and NaBr(aq) are mixed. Pb(NO3)2(aq) + 2NaBr(aq) ---> PbBr2(s) + 2NaNO3(aq) ΔrH = ? To measure the enthalpy change, 350. mL of 0.50 M Pb(NO3)2(aq) and 350. ...
Predict whether a precipitation reaction will occur in the following situations. If a precipitation reaction occurs, enter the balanced chemical equation for the reaction. NiCl2(aq)+(NH4)2S(aq)→ AgNO3(aq)+CaBr2(aq)→
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