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Did the aroma molecules distill off; did the coloured molecules distill off? What do these results tell us about the difference in molecular mass between the aroma molecules and the colour molecules? In the lab there were both an 80C and a 100C distillate
What is the pOH of a Ba(OH)2 solution made by dissolving 0.081 grams of Ba(OH)2 in enough water to make 286 mL of solution
Write a balanced equation for the neutralization of each of the following. Express your answer as a chemical equation. Identify all of the phases in your answer
Calculate the molar concentration of NaNO3 and the mass percent of NaNO3 in the solution. What is the mole fraction of NaNO3 in the solution?
A compound has an empirical formula of CH2Br and vapor density of 6.00 g/L at 375K and .983 atm. Determine molar mass of compound
How tdo you rotate fischer projections to figure out if they are D/L configurations. I know the difference between D/L but unsure of how to rotate them! Please you examples of D/L-Alanine
A certain complex of metal M is formulated as MCl3*3H20. The coordination number of the complex is not known, but is expected to be 4 or 6. would reaction of the complex with AgNO3(aq) provide information about the coordination number?
pH of 20.0 mL of 0.10M acetic acid/sodium acetate buffer before and after the addition of 2.0 mL of 0.10 M NaOH; 2.0 mL 0.10 M HCl
Given that the Ksp for silver bromide is 3.3 x 10-13, which of the following solutions would NOT produce a precipitate of AgBr? and WHY?
Assume ^35^Cl_2_ is a harmonic oscillator( it is slightly anharmonic). If K=329 N/m compute the zero-point energy for this molecule. ^35^Cl= 34.9688g/mol.
Consider the titration of 40.0 mL of 0.050 M of the fully protonated form of tryptophan with 0.10 M KOH. Calculate the pH of the solution at the following points
total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 149 g of solution. The reaction
BaSO4 is listed as insoluble. Actually, BaSO4 is highly soluble, Ksp=1.1e-10. What is the solubility, in mg/l?
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