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How are excess sulfuric acid and the excess methanol removed from the crude ester after the reaction has been completed? Why was 5% NaHCO3 used in the extraction? What would happen if 5% NaOH had been used?
A light spring-gun projectile launcher is mounted on an 0.393 kg air track glider. What is the speed of the air-track glider after the gun is fired
A 2750 ml sample of 3 M HCl solution is treated with 4.66gm of magnesium. Calculate the concentration of the acid solution after all the metal has reacted. Assume that the volume remain unchanged.
Business Process Management Principles
Consider an infinite solenoid of radius R, n turns per unit length, and current I. Calculate the final cinetic moment of each of the cylinders
This assignment consists of two (2) sections: a Work Breakdown Structure (WBS) and a summary document. You must submit the two (2) sections as separate files for the completion of this assignment.
A mixture of lipids is applied to a silica gel column, and the column is then washed with increasingly polar solvents. The mixture consists of phosphatidylserine, phosphatidylethanolamine, phosphatidylcholine, cholesteryl palmitate
The coil of a generator has a radius of 0.16 m. When this coil is unwound, the wire from which it is made has a length of 9.50 m. What is the peak emf of this generator
6 kg of an ideal gas is in a volume of 1 m3 at 250°C. The gas undergoes a constant pressure change of state until the temperature is 500°C. Find the pressure at the initial state
If a drop of NaOH solution had adhered to the side of the Ehrlenmeyer flask during the standardization of the NaOH solution, how will this error affect the reported MM of the unknown acid( higher or lower than actual value) Explain using mathamati..
Calculate the amount at which Lincoln should record the note payable and corresponding purchases on September 30, 2013, assuming that an interest rate of 10% properly reflects the time value of money in this situation.
Determine the volume of sulfuric acid solution needed to prepare 37.4 g of aluminum sulfate, Al2(SO4)3, by the following reaction 2Al(s)+3H2SO4 (aq)= Al2(SO4)3 (aq) +3H2 (g)
100.0 mL of 1.020 M HCl and 50.0 mL of 2.040 M NaOH, each at 24.53ºC, are mixed in a Styrofoam cup calorimeter. What is the final temperature of the mixture if the heat of acid-base neutralization (?Hneut) = ?57 kJ per mole of H2O formed
How many grams of O2 are needed to react with 20.9 grams of Mg?
If 8.88 X 10^7 aluminum atoms can fit along a 1.00 inch line, what is the diameter of a single aluminum atom?
The experimental value of nylon 6,10 is 2.160 grams. I need to calculate the theoretical mass of nylon 6,10, in order to find out the percent yield.
If a mixture of solid nickel(II) oxide and 0.11M carbon monoxide is allowed to come to equilibrium at 1500 K, what will be the equilibrium concentration of CO2
for which amino acid does the L-isomer not correspond to its S-isomer? Explain why, including stereochemical diagrams of the isomeric formas
Consider the following reaction at equilibrium. What effect will increasing the volume of the reaction mixture have on the system
The following reactions take place in the reactor: 2 C2H6 + O2 ------> 2 C2H5OH 2 C2H5OH + O2 ------> 2 CH3CHO + 2 H2O 2 CH3CHO + O2 ------> 2 CH3COOH The oxygen conversion is 82.0%, and the concentration of the ethanol in the product stream is th..
A protein biochemist attempted to determine the amino acid sequence of a decapeptide. Use the results fromt he trypsinm chymotrypsin, and cyanogen bromide treatments to suggest the amino acid sequence.
It was originally part of my ebook EVERYTHING YOU NEED TO KNOW ABOUT CHEMICAL NOMENCLATURE. If you want more information or a more complete description to include inorganic compounds please see the ebook section of this website.
Sulfuric acid is a very strong inorganic used in commercial and non-commercial laboratories. What is the molarity of a 70.00 wt % solution of sulfuric acid in water? The density of the solution is 1.6503 g/mL.
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