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The distribution coefficient, KD for an organic compound between water and methylene chloride is 3.40. An aqueous solution of the organic compound contains 0.500 g per 100 mL and is extracted with 50.0 mL of methylene chloride. What percentage of the organic compound originally in water is extracted?
Compute the cell potential and determine. G for a cell that uses the following reaction: Cl2 (g) + 2I- (aq) > 2Cl- (aq) + I2 (s)
Molecular orbital (MO) theory predicts the O2 +2(a +2 CHARGE) ion has a bound order of
In the year 2007, an estimated amount of 31 billion tons of carbon dioxide was emitted worldwide due to fossil fuel combustion and cement production. Express this mass of carbon dioxide in grams without exponential notation, using an appropriate m..
Problem- This reaction was catalyzed by an acid. During the work-up why did you extract with water and not sodium hydroxide. a. Extracting with sodium hydroxide will convert the final product back to the starting material.
If 2.0 x 10^23 argon atoms strike 4.0 cm^2 of wall per second at a 90 degree angle to the wall moving with a speed of 450 m/s. what pressure (in atm) does the gas exert on the wall
H2O is amphoteric meaning it can act as both a Bronsted acid and a Bronsted base.Show that H2O really is amphoteric by writing the relevant equations
a metal container holding xenon gas xe has a pressure of 458 torr at 20 degrees celcius. at what temperature will the
Calculate the value of Avogadro's number to three significant figures based on these data. (Note: the value may differ from the tabular value).
calculate the ph of each solution given the following h3oor oh- values. express your answer using two decimal
If the standard deviation of your pipet is 0.018 mL, what is the chloride concentration ppt (W/V) of you sample?
The second-order reaction 2 Mn(CO)5 Mn2(CO)10, has a rate constant equal to 3.0 x 10^9 M-1 s-1 at 25C. If the initial concentration of Mn(CO)5 is 2.0 x 10-5 M, how long will it take for 90.% of the reactant to disappear?
Can the five percent approximation be applied in determining the pH of the following solutions? Yes No 8.07×10-3 M dihydrogen citrate ion Yes No 7.51×10-5 M chlorous acid Yes No 4.38×10-2 M carbonic acid Yes No 1.44×10-2 M hydrocyanic acid
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