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What is the pH of a solution made by dissolving 46 g of acetic acid in enough water to make 700 mL of solution? Ka = 1.8 x 10^-5
Considering the Heisenberg's uncertainty principle, compute the uncertainty in the position of: a 1.50-mg mosquito moving at a speed of 1.40 m/s (if the speed is known to within a + or - 0.01 m/s)
Write the electronic configuration in sublevels for the following atoms
iF 0.80g of a gas occupies 295 mL at 25 degrees Celcius and 680 mm Hg of pressure, what is the molar mass of the gas.
Consider two cells, the first with Al and Ag electrodes, and the second with Zn and Ni electrodes, each in appropriate 1.00M solutions of their ions.
The value of the Euro is currently $1.32 U.S. and the price of 1 liter of gasoline in France is 0.92 Euro. What is the price of 1 gallon of gasoline in U.S. dollars in France?
What will the pH of the equivalence point be when 10.00 mL of .0200M Carbonic acid is fully titrated to the 2nd end point using .05 M NaOH?
A buffer solution contains acetic acid (HC2H3O2) at a concentration of 1.15 M and sodium acetate (NaC2H3O2) at a concentration of 2.05 * 10 to -2 M. The value of Ka for acetic acid is 1.75 * 10 to -5. Calculate the pH of this solution using the He..
What mass of sucrose should be combined with 464g of water to make a solution with an osmotic pressure of 8.60atm at 280K? (Assume the density of the solution to be equal to the density of the solvent.)
Compute the number of moles - As we know many volatile substances are present in Earth's atmosphere in trace amounts.
when formic acid is heated it decomposes to hydrogen and carbon dioxide in a first-order decayhcoohg rarrco2g h2 gthe
methanol is produced commercially by the catalyzed reaction of carbon monoxide and hydrogencog 2 h2g ch3ohgan
how many grams of dry nh4cl need to be added to 2.40 l of a 0.400 m solution of ammonia nh3 to prepare a buffer
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