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How does concentrated H2SO4 catalyze the esterfication reaction of ethanol and acetic acid to form ethyl acetate? Explain.
What is the final concentration of Na+ after adding 230 ml of water to a stock solution of 2.5M 420.0 ml Trisodium phosphate?
Calculate the amount of heat necessary to raise the temperature of 12.0g of water from 15.4 degrees celsius to 93.0 degrees celsius
Determine the freezing point of an aqueous solution that is 1,7 m in ethylene glycol. The freezing point depression constant for water is 1.86°C/m The freezing point of pure water is 0.0°C.
The reactions occur in acidic solution. (Use the lowest possible coefficients. Omit states-of-matter in your answer.) (a) MnO4- + H2SO3 ? Mn2+ + SO42-
draw the molecule 1-(4-methoxyphenyl)-2-methylpropan-1-ol. number the carbons on the molecule and identify all the functional groups characterized by the molecules name.
determine the number of representative particles in each substancea. 250 mol of silverb. 8.56 x 10-3 mol of sodium
How many milliliters of boiling water are required to dissolve 24 g of N-Bromosuccinimide? If the solution were cooled to 25° C, how many grams of N-Bromosuccinimide would crystallize out.
An experiment is performed on an unknown material and produces the following heat curve. The temperature of the material is shown as a function of heat added. If the sample of material has a mass of m = 9.80 g, calculate the specific heat when thi..
Biochemistry homework:draw the structure of pGC deoxyribonucleic acid in the ionic form that would predominate at pH 7.0
0.038 moles of O2 are collected after the reaction of 78.2 mL of 4.6 M solution of H2O2. The density of the solution is 1.4 g/mL. What is the percent yield
mt. kilimanjaro in tanzania is the tallest peak in africa 19340 ft.. on a particular day the barometric pressure at the
containing granite basins tend to become acidified by acid rain more readily than lakes lying in calcium carbonate, CaCO3, limestone basins. Explain why?
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