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A solution is prepared by mixing 0.0300 molCH2Cl2 and 0.0500 mol CH2Br2 at 25(degrees C) . Assuming the solution is ideal, calculate the composition of the vapor (in terms of mole fractions ) at 25(degrees C). At 25 (degrees C), the vapor pressures of pure CH2Cl2 and pure CH2Br2 are 133 and 11.4 torr, respectively.
Adding 10.0 mL of a dilute solution of zinc nitrate to 246 mL of 2.00 M sodium sulfide produced 0.279 g of a precipitate.
The density of this solution is 1.08 g/mL. Calculate the molarity, molality, weight percent, and mile fraction of the glucose solution.
2 hcl aq mgs lt--gt mgcl2 aq h2 g heat. when the temperature is increased in the system referenced above the
The 1,3-diaxial interaction energy between H and a lone pair is negligible (~ 0 kcal/mol). What is the 1,3-diaxial interaction (in kcal/mol) between a CH3 and a p orbital
A buffered solution is made by adding 50.0 g NH4Cl to 1.00 L of a 0.75 M solution of NH3. Calculate the pH of the final solution.
State the chemical reaction that took place in the patient's body. Identify the substance produced in the liver that helps catalyze this reaction
a tank with a total pressure of 4.7 atm has a mixture of gases that is 72 nitrogen and the rest is oxygen. what is the
1. nitric oxide is made from the oxidation of ammonia. what mass of nitric oxide can be made from the reaction of 8.00
Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOH required for precipitation to begin in each case
Calculate the nuclear binding energy per mole of nuclei of and the binding energy per mole of nucleons for 31P. The required masses (g/mol) are: 1 1H = 1.00783; 1 0n = 1.00867; 31 15P = 30.97376
So we did a preparation of t-pentyl Chloride experiment in class the other day using t-pentyl alcohol, HCL, Aqueous sodium Bicarbonate, and calcium chloride as the drying agent.
calculate the molar concentration of all the ions remaining in solution after the reaction has taken place ... Cr(III), hydroxide, potassium, nitrate
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