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Draw the procedure you expect to use to find out whether or not copper is present in your sample. Make sure to comprise the amounts of materials and all items you expect to use
Compute the equilibrium constant (keq) for the reaction of equimolar amounts of acetophenone as well as sodium hydroxide to generate the enolate. 2.905 g of acetophenone and 15mL of sodium hydroxide were used
A 30.00 mL solution of potassium nitrate (KNO3) was diluted to 125.0 mL, and 25.00 mL of this solution were then diluted to 150.0 mL. The concentration of the final solution is 0.00307 M. Calculate the concentration of the original solution.
A solution containing potassium bromide is mixed with one containing lead acetate to form a solution that is 0.013 M in KBr and 0.0035 M in Pb(C2H3O2)2. Will a precipitate form in the mixed solution
While coal is burned, the sulfur present in coal is converted to sulfur dioxide (SO2), Explain which is responsible for the acid rain phenomenon.
Sparkling wine is bottled under a CO2 pressure of 4.1 atm. The solubility of CO2 at 4.1 atm is 0.70 g/100 g H2O. What is its solubility after the bottle is opened if the partial pressure of CO2 is 3.4x 10-4 atm
Atomic orbitals of carbon relative to methane in a cubic frame of reference.
Explain why trans-p-anisalacetophenone would be expected to be more stable than the correspinding cis isomer
A solution (volume = 100.0 ml) contains 0.27 M HCOOH(formic acid, Ka=1.8*10^-4) and 0.39 M KHCOO. a. Determine the pH of the solution b. We add 4.00 ml of 4.0 M HNO3 to this solution. Determine the new pH.
what is the molar mas of gas if 1.20g of the gas has a volume of 235 mL at STP? A 1.26 sample of He gas has a pressure of .123 atm and volume of 32.6 L. what is the temperature in degrees C?
Calculate the final temperature when a 25.6 gram sample of ice at 0oC is placed into a styrofoam cup containing 115 grams of water at 75.0 oC. Assume that there is no loss or gain of heat from the surroundings.
Barium sulfate, BaSO4, is used in medical imaging of the GI tract because it is opaque to X rays. A barium sulfate solution, sometimes called a cocktail, is ingested by the patient
You need 70.2J to raise the temperature of 34.0 g of ammonia, NH3 (g), from 23.0C to 24.0C. Calculate the specific heat of ammonia.
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