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What is the expected freezing point of a 0.50 m solution of Li2SO4 in water? Kf for water is 1.86°C/m.
The active ingredient in Antabuse, a drug used for the treatment of chronic alcoholism, is tetraethylthiuram disulfide, C10H20N2S4 (fw = 296.54). The sulfur in a 0.4329 g
A solution is made by dissolving 21.7 g of HCl in enough water to make 822 mL of solution. Calculate the pH of the solution at 25 degrees Celsius
Does that indicate the original alcohol is in that mixture? What is the source of 2-bromopentane?
When power was turned off to a 30.0 gal. water heater, the temperature of the water dropped from 75.0°C to 22.5°C. How much heat was lost to the surroundings? (1 gal = 3.785 L) Assume the density of water is 1.00 g/mL.
If 10.0mL of acetic acid, CH3COOH, is diluted with water to a total volume of 200.0mL, what is the percent by volume of acetic acid in the solution.
joseph failed to calibrate the spectrophotometer. As a result, all absorbance values for the standard solutions that are measured and recorded are too high.
When Copper (II) sulfate is prepared from copper (II) nitrate and sodium sulfate, the reaction initially produces a hydrated product: Cu(NO3)2 + Na2SO4 + 5H2O yield CuSO4 x 5 H2O + 2 NaNO3
one hundred grams of water is saturated with NH4CLat 50 degrees C. According to table G, if the temperature is lowered to 10 degrees , what is the total amount of NH4CL that will precipitate?
Draw the skeletal structure of the organic species containing the carbonyl functionality needed to form 3-ethyl-1-pentanol upon metal-catalyzed hydrogenation.
Calculate the amount of solution that contains 8.0g calcium cloride (CaCl2) from 35% solution of CaCl2?
A solution of H2SO4 and KI is then added to conver the MnO2 to MN^2+, and the iodide is converted to I2. The I2 is then titrated with standardized Na2S2O3. Calculate the amount of O2 in 25.0mL of water if the titration requires 2.45ml of 0.0112 M N..
Draw the initiation step, one propagation step, and the disproportionation-termination step for the chain-growth polymerization of vinylidene difluoride (1,1-difluoroethene).
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