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Explain a mechanism using (Sia) 2BH followed by CH3COOH as the reagents? summary of alkyne reaction mechanisms explain these reaction/mechanisms?
A solution is prepared by dissolving 0.18 moles of acetic acid and 0.18 moles of ammonium chloride in enough water to make 1.0 L of solution. Find the concentration of ammonia in the solution.
A covalent compound is composed of a nitrogen atom, a hydrogen atom, and a carbon atom. How many electrons should the Lewis structure of the covalent compound contain
a 125-g metal block at a temperature of 93.2 degc was immersed in 100. g of water at 18.3 degc. given the specific heat
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.434 grams of iron and 12.2 mL of 0.52M copper(II) sulfate react to form as much product as possible.
Compute ΔU for the transformation; a = 0.136 m6Pa mol-2 ; b = 0.0391 L/mol.
Calculate the final temperature that results when a 13.0 -g sample of water at 23.1C absorbs 870 J of heat.
Aspirin (acetylsalicylic acid) is a weak monoprotic acid. To determine its acid-dissociation constant, a student dissolved 2.00 g of aspirin in 0.600 L of water and measured the ph . What was the ka value calculated by the student if the ph of the..
What is the molecular formula of a compound of empirical formula CH that diffuses 1.24 times slowly than krypton at the same temperature and pressure?
the water level in the collecting vessel is the same as the outside level. Atmospheric pressure is 756.0 Torr and the temperature is 25 degrees C. Calculate the atomic mass of the metal.
An atmospheric chemist studying the pollutant SO2, places a mixture of SO2 and O2 in a 2.00 L container at 800k and 1.90 atm. when the reaction occurs, gaseous SO3 forms, and the pressure falls to 1.65 atm
Starting with benzene, outline a synthesis of each of the following (many of the answers will require more than one step): 1-phenylcyclopentene, trans-2-phenylcyclopentanol
Find the price of one cubic inch of mercury by calculating the following intermediate values. What is the price of one cubic centimeter of mercury?
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