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What is the pH at the equivalence point in the titration of a 18.7 mL sample of a 0.478 M aqueous acetic acid solution with a 0.370 M aqueous barium hydroxide solution?
At 40 degrees celsius the vapor pressure of methyl alcohol is 254 mmHg and at the same temperature the vapor pressure of ethyl alcohol is 135 mmHg.
diethyl either is 34.5C and its latent heat of vaporization is 6.38 kcal/mol. Calculate its vapor pressure
Briefly desribe how you would design an experiment to test how much vitamin C is actually in a variety of commercially available products.
if the sealed-tube manometer shown below had a height difference of 20.5 inches between the mercury levels what is the
Atmospheric pressure decreases as altitude increases. In other words, there is more air pushing down on you at sea level, and there is less air pressure pushing down on you when you are on a mountain.
Calculate the formula mass of each compound given below. Keep at least one decimal place in atomic masses from the periodic table.
A solution of household bleach contains 5.25% sodium hypochlorite, NaOCl, by mass. Assuming that the density of bleach is the same as water, calculate the volume of household bleach that should be diluted with water
14 g of Si reacts with 16 g of O to produce SiO2, the only product, with no reactant left over. How much SiO2 would be produced from 34 g of Si and excess O?
U^o for the reaction A(s)+2B(g) ->2C(s)+D(g) was measured at temperature T in a constant volume calorimeter. ?H^o for the reaction is approximately what
A drop of the NaOH titrant adheres to the side of the buret between the initial and final readings for the titration. As a result of the "clean glass" error, will the molar concentration of the NaOH solution be reported as too high or too low. Exp..
Buffering capacity You want a solution that will buffer the addition of either 10 micromoles of acid or 10 micromoles of base. Total buffer concentration is equal to the concentration of the acid plus the concentration of salt of the acid
Sketch a potential energy versus reaction coordinates diagram for the following reaction
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