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The melting points of pure benzoic acid and pure 2-naphthol are 122.5 degrees C and 123 degrees C, respectively. Given a pure sample that is known to be either pure benzoic acid or 2-naphthol, describe a procedure you might use to determine the identity of the sample, assuming spectroscopy is not available.
How many milliliters of 0.150M sulfuric acid are required to react with 8.20g of sodium bicarbonate.
If a 210 mg piece of gold (density =19.32 g/cm^3 ) is hammered into a sheet measuring 2.5 x 1.0 ft , what is the average thickness of the sheet in meters?
Draw the three different isomers according to the number of C atoms in their main chain.
Chlorine can be generated by heating together magnesium hypochlorite and hydrochloric acid. Magnesium chloride and water are also formed.
theoretically feasible in a solution that initially 0.250 M in each ion? c.) If separation is feasibe in eithee (a) or (b), what ranfe of anode potential (vs. SCE) should be used?
If an unknown forms a silver mirror in the Tollens test, forms a purple color in the Schiff test, produces no precipitate in the iodoform test, has a refractvie index of 1.5250, and forms a semicarbazone melting at 124-126 C
What is the pH of a buffer prepared by adding 0.809mol of the weak acid HA to 0.305mol of NaA in 2.00L of solution? the dissociation constant Ka of HA is 5.66x10^-7
Give equations for the reaction of salicylic acid with the following: a) acetyl chloride/pyridine b) methanol/HCl/heat c) sodium bicarbonate, room temperature
Write a balanced equation for the reaction of NaCH3COO and HCl. Express your answer as a chemical equation.
At a given temperature, the equilibrium constant K for the reaction 2SO2(g) + O2(g) 2SO3(g) is 3.0 × 109. If 2.80 mol of SO2 and 4.06 mol of O2 are placed in a 1.78-L container.
flask shaken until the solution was uniform. A sample of 25.0 mL of this glucose solution was diluted to 0.500 ml then determine how many grams of C6H12O6 are in 100 mL of the final solution?
Sulfhydryl groups have the ability to react with the alkylating reagent N-ethylmaleimide (NEM) in chemical modification experiments. When NEM is added to a purified solution of creatine kinase
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