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There are two different schemes you could use to synthesize 4-ethylheptan-3-ol using a Grignard reagent and carbonyl-containing compound (that is not an ester). Suppose scheme one involves the reaction of the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms andscheme two involves the reaction of the Grignard reagent containing less carbon atoms with the carbonyl compound containing more carbon atoms.
(a) Draw the Grignard reagent from scheme two
(b) Draw the carbonyl-containing compound from scheme two.
Estimate the average concentration of methylene chloride. Look up the TL V or the 1WA for methylene chloride and consider how the: evaporation might be performed.
At a particular temperature, K = 4.0 x 10^-7 for the reaction N2O4(g) ---> 2NO2(g). In an experiment, 1.0 mol N2O4 is placed in a 10.0L vessel. Calculate the concentrations of N2O4 and NO2 when this reaction reaches equilibrium.
Of sublimation, recrystallization, distillation, and extraction, which purifications methods should be used to purify the following: a) a crude solid mixture that is 90% pure
when it dissolves in water (3 moles of ions/mole of salt). Calculate the freezing point of a solution containing 18.8g of Na2SO4 in 465g of water. The Kf for water is 1.86C kg mol-1.
There are 2.2 mg of lead in exactly 500 g of a water sample. What would the concentration of lead be in parts per million? Round to the nearest tenth. Don't forget the units
Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
A 1.80-g sample of a large biomolecule was dissolved in 21.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C
There are 86,472 houses in the county and the county occupies a space totaling 475 square miles. How many square miles of housing are present in Chem county?
Write the structure for the quinoxaline derivative obtained when benzil is the reactant. Do you think this compound would be coloured? If so, why?
What is the maximum amount of silver (in grams) that can be plated out of 4.8 {rm L} of an {rm{AgNO}}_3 solution containing 3.6 % {rm Ag} by mass? Assume that the density of the solution is 1.01.
Small helium-neon lasers emit 3.60 mJ/s of light at 634 nm. How many photons does such a laser emit in one minute?
25.0ml of a 4.21M HCL solution at 25.2C and 50.0ml of a 2.2M NaOH solution at 25.2C are reacted together to give a temperature of 44.1C.
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