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Did an experiment williamson ether synthesis with sodium ethoxide and 1-bromobutane forming 1-ethoxybutane and NaBr. The 1H NMR showed an impurity, what would be a reasonable compound that it could be? How could it have gotten into the NMR Sample?
A saturated solution of BiI3(s) is found to have an I- concentration of 3.96E-5 M. What is the value of Ksp for BiI3?
A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Determine the pH of the solution after the addition of 200.0 mL of KOH. The Kb of NH3 is 1.8 × 10-5.
A mixture of CO, CO2 and O2 is contained within a 275 mL ?ask at 0?C. If the total pressure is 780 torr, the CO has a partial pressure of 330 torr and the CO2 has a partial pressure of 330 torr.
Determine how many kgs of methane (CH 4 ) are in completely insulated piston with the given properties: Pressure = 3 bar absolute. Volume = 2 cubic meters.
After allowing the solution to sit for 30 minutes the student determines that the bromide concentration was [Br-]= 0.0012 M. What is the Pb2+ concentration?
Derive the general expression for the work per kilomole of a van der waals gas in expanding reversibly and at a constant temperature
Small helium-neon lasers emit 4.62 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
A 100.0 mL of acetic acid solution of unknown molarity is titrated with 0.15 M NaOH solution. The titration requires 43.25 mL of the base. Determine the molarity of the acid, CH3COOH.
carbon disulfide can b made by the reaction of carbon dioxide and sulfur trioxide 2so3(g) + Co2(g) + heat >
A saturated solution of an unknown solid reacted with AgNO3 to give a pale yellow precipitate and also reacted with Pb(NO3)2 to give a white precipitate.
A copper refinery produces a copper ingot weighing 75 kg. the density of the copper is 8.94 g/cm^3. if the copper is drawn into a wire whose dimeter is 8.250mm
Analyzing a new reaction Consider the following elementary steps that make up the mechanism of a certain reaction: 2X -> Y + Z Y + L -> M + Z Part A What is the overall reaction
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