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In synthesis of 1-Bromobutane we performed the following: Add 1.75 g sodium bromide and 1.25 mL water to flask fitted with spin bar. Allow to stir until most sodium bromide dissolved. Add 1.25 mL of 1-butanol to flask. Place on ice bath and continue stirring. Cautiously add 1.3 mL of concentrated sulfuric acid. Reflux for an hour. Transfer top layer to vial. Add 1.5 mL of 80 percent sulfuric acid to vial...........What would the expected outcome be if a student forgot to add sulfuric acid to the reaction mixture?
Determine the % error for the quantity (0.5022g+-0.3mg) 2. Determine the % relative error for the following quantities
Calculate the effective radiation dosage (in Sieverts) for a 85-kg person who is exposed to 7.3 × 109 particles of alpha radiation. Assume that 85% of the radiation is absorbed,
At 25 degree celcius ,the second order reaction NOCL(g) - NO (g) + 1/2 CL2 (g) is 50 % complete after 5.82 hours when the initial concentration of Nitrosyl chloride is 4.46 ml/L.what time will it take for the reaction to be 75 % complete.
a chemical reaction release 1240 J of energy. the energy is all absorbed by water (423 g) containing the reactants. if water was initially at 19.6 degrees, what will be it final temperature
A small organic molecule required by an enzyme in order for the enzyme to be a functional catalyst is known as a vitamin. Lipids that are solids at room temperature tend to have more double bonds than liquids at room temperature
Assuming the enzyme total is the same for each experiment determine Km and Vmax for each experiment. In addition by graphing the lineweaver burk plot determine the type of inhibition for each inhibitor.
A certain brand of antacid has a dosage that contain 400 mg Mg(OH)2. How many mmoles of HCl can be neutralized by one dose of this antacid?
Determine the new volume of a 1.3 L balloon if it is taken from room temperature that is twenty five degree celsius and placed into a freezer at the temperature of -11.5 degree celsius.?
Suppose you measured the pressure with a barometer which was not vertical. You measured the pressure to be 752mmHg and then noticed the barometer
The combustion of carbon with excess oxygen forming carbon dioxide is exothermic. C(s) + O2(g) => CO2(g) ?Hrxn = -393 kJ If 5,284kJ of heat is needed from the combustion, how much carbon (g) must be consumed
A chemist wants to prepare .50 M HCL. Commerical hydorcloric acid is 12.4 M. How many milliliters of the commerical acid does the chemist require to make up 1.50 L of the dilute acid?
The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron.
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