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The tricky part of this multi-step synthesis is the isolation of the neutral p-aminobenzoic acid in the second step. Why is this isolation so difficult? To help you explain your answer, look up the meaning of "isoelectric point" and discuss the effect that pH will have on the structure of your product.
In photography, unexposed silver bromide is removed from film by soaking the film in a solution of sodium thiosulfate, Na2S2O3. Silver ion forms a soluble complex with thiosulfate ion
Sketch the line-bond structure for each molecule or polyatomic ion of the following. Designate the formal charges where applicable.
Consider the following reactions carried out at a constant temperature and pressure. In which of these will the amount of work done be positive, only the coefficients of the reactants are given. All species are gas unless otherwise noted.
What is the percent by mass of NaHCO3 in a solution containing 70 g of NaHCO3 dissolved in 700 mL of H2O?
calculate the IHD and select all the types of unsaturation that might be present in the molecule based on the IHD.
calculate the heat absorbed or lost by the aqueous solution qaq in joules assuming that the specific heat capacity
Calculate how wide is the cloud of organisms at the time peak concentration takes place at the intake pipe.
The following half reaction takes place in a lead storage battery used in automobiles: Pb(s)+SO4^2-(aq)>PbSO4(s)+2e^- a)is the half reaction an oxidation or reduction
A patient weighs 165 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight. The drug is supplied as a solution that contains 25.0 mg of drug per mL of solution. How many mL of the drug should the patient receive?
If a breakdown of the thermal insulation around the turbine allows a heat loss of 60 kJ per kg of stream, and the exiting steam is at 150oC and 0.3 MPa, what will be the power developed by the turbine if the inlet steam conditions and flow rate ar..
A 500.0 mL sample of 0.200 M sodium phosphate is mixed with 400.0 mL of 0.237 M barium chloride. what is the mass of the solid produced
Infrared radiation from the sun has a wavelength of 6200 nm. Calculate the energy of one photon of that radiation.
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