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An element crystallises in a body centered cubic lattice. The edge of the unit cell is 286pm and the density is 7.92cm3. What is the atomic mass of the element?
The formula of a complex formed by a reaction such as M + nX = MXn can be determined by the method of continuous variations. The absorbances of a series of solutions of varying composition are measured at the wavelength at which the complex shows ..
16 grams CH3OH is dissolved in 27 grams of water at 30 degrees celcius. given that vapor pressure of water at 30 degrees celcius is 31.82mm Hg.
A mixture of 40 Ml of methyl butyrate (MW-102.1 g/mol,d-0.89 g/mL) and 10 mL butyric acid (MW=88.1 g/mol, d=0.96 g/ML) is distilled.
Draw the structure of the major organic product formed in the reaction of 1-methylcyclohexene with ozone followed by dimethyl sulfide
A container holds 355mL of a mixture of nitrogen and carbon dioxide gases. Compute the partial pressures of each gas if the container is at 27.3 degrees C.
1-bromobutane was added to a solution of sodium iodide in acetone. One of the possible side products of this reaction is dibutyl ether. Provide the mechanism of thus molecule.
For each of the following reactions, identify which reactant is the Lewis acid. Select 1 if the first listed reactant is the Lewis acid or 2 if the second listed reactant is the Lewis acid
If it requires 18.2 milliliters of 0.45 molar barium hydroxide to neutralize 38.5 milliliters of nitric acid, solve for the molarity of the nitric acid solution. Write the balanced equation and solve showing all your work. Unbalanced equation: Ba(OH)..
what would be the effect on my calculated molecular weight of p-dichlorobenzene if my lab partner left the stopper off of the apparatus while I was weighing the solid p-chlorobenzene. Explain in detail what would happen if this occured and how it ..
Fully explain why this series of reaction will produce the 3,5-dibromotoluene and direct bromination of toluene produces the 2,4-dibromotoluene.
You has a stock solution of enzyme (125 kD) at a concentration of 1mg/ml. You want to achieve a final enzyme concentration of 36nM in a 1ml reaction volume. What volume of the enzyme stock solution will you add to the reaction
A lungful of air (500 mL) contains 4.1% CO2 by volume. How many grams of KO2(s) is needed to remove the CO2 from a lungful of air at STP according to the following reaction?
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