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Explain the preparation of phenylmagnesium bromide from bromobenzene and magnesium metal is an instance of an oxidation-reduction reaction. Explain what is oxidized and what is reduced?
what the molarity of H2SO4 if 15.85 mL of the solution is needed to neutralize 1.00g NaHCO3 molar mass 84.01 g/mol
How many grams of Neomycin sulfate should be added to 320 g of 5% neomycin sulfate ointment to prepare an ointment containing 20% neomycin sulfate
Calculate the percent by mass of calcium carbonate in the rock, assuming that it is the only substance reacting with the HCl solution.
You performed A nitration reaction in 15 minutes to completion. Assume it took the entire allotted time. If we used anisole instead of methyl benzoate to run an analogous reaction, how much time would a similar nitration reaction take.
If the emitted green light corresponds to an electron dropping from that excited state back down to the ground state, what is the energy spacing (in aJ) between the highest occupied and lowest unoccupied orbitals. The element used is Thallium.
An unknown compound X, is thought to have a carboxyl group with a pka of 2.0 and another ionizable group with a pka between 5 and 8. When 75 ml of 0.1 M NaOH was added to 100 ml of a 0.1 m solution of X at pH 2.0, the pH increased to 6.72.
Balance the following redox equation . Once you have balanced the equation calculate how many grams of ammonia will be produced starting from 10 g of Zn
what is the molarity of the acetic acid solution if 45.0l of 17m acetic acid is diluted to
Draw a six carbon alkyne that can exist as diastereomers. The molecule should only contain only carbon
Household vinegar is aqueous 5.00% acetic and CHC2H3O2 SOLUTION(by mass), if the density is 1,01g/ml calculate the mole fraction, molarity and molality.
A spherical fat cell has a diameter of 2.47 micrometers. The fat cell contains three copies of the protein azurin. What is the molar concentration of azurin within the fat cell
The salts of calcium sulfate, magnesium carbonate, lead (II) bromide, calcium chloride and silver nitrate are all added to a beaker. Pure water is added and the mixture is stirred well as well as allowed to settle. Four solids are now present in ..
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