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A solution of .85g of a unknown organic compound in 100g ofbenzene has a freezing point of -5.16C. What is the molality of the solution and the molar mass of the solute?
A reaction in which A, B, and C react to form products is first order in A, second order in B, and zero order in C. Which of the following most accurately represents the rate law for this reaction
find the amount of known substance present in the mixture.a mixture of calcium carbonate and calcium oxide that weighed
there are about 1200000 autos .each auto emits 3.1g no2 and 1.6g ch4 per vehicle mile. each auto travels 30 miles round
Determine how many grams of Potassium Sulfate can be formed from 150.0 grams of potassium hydroxide with sufficient sulphuric acid H2SO4?
describe the main components of the liquid chromatography-mass spec and how they are used in sample identification.
A 0.0678g sample of tin sulfate was dissolved in dilute HCl and treated with 10% BaCl2 solution. The BaSO4 precipitate weighed 0.0737 g. Determine the formula of this sulfate of tin.
A 0.2M citrate buffer, pH 5.0, was prepared using citric acid (H3A) and sodium citrate (Na3A). What are the concentrations of citric acid (H3A) and its anion form (A3-) in the equilibrated solution
how many grams of sodium lactate must be added to a 1.00l solution of .400m lactic acid to make a buffer with a ph of
Include drawings of each of the three ph cases for phenylalanine, and be certain to include the appropriate locations for charge on your molecular structure.
How do you derive the Schrodinger equation for a right angle isosceles triangle?
barium reacts with a polyatomic ion to form a compound with the general formula ba3x2. what would be the most likely
From the following data, calculate the delta G for the reaction at 25 degrees C. delta H = -199 kJ/mol delta S = -4.1 Joule/Kelvin - mol these are the Standard values of formation at 25 deg C.
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