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Why does the negative potential superimposed with an AC current allow Low mass particles to pass through the quadrupole? Explain in great detail with a figure or two.
if 0.10M aqueous solutions are prepared of each of the following acids, which produces the solution with the lowest pH?
Calculate the entropy change for 0.5 mol of an ideal gas confined in 2.0L, which expands when the stopcock is opened, and the gas comes in contact
a solution is prepared by dissolving 2.33g of c60 in 100.0g of toluene. given that the vapor pressure of pure toluene
consider a mixture of air and gasoline vapor in a cylinder with a piston. the original volume is 50. cm3. if the
Create a procedure you can use to prepare a series of solutions to determine the molar absorptivity of a food dye
Which of the following ionic compounds will be more soluble in acid solution than in water? Explain your choice/s Determine whether the anions are basic and use Le Chatelier's principle.
A cube of a gold with a volume of 59 cm3 has a mass of 980 g. The density of pure gold is 19.3 g/cm3. What is the percent error of the measured density?
Write a balanced equation for the combustion of heptane, C7H16, in oxygen, , forming the products carbon dioxide, and water, H2O. How many grams of water will be produced by the complete reaction of 7.88 grams of heptane?
Trichlorofluoromethane (CCl3F) boils are 23.8C and its molar heat of vaporization is 24.8 kj/mol. Calculate the molar entropy of evaporation of CC3F (l)
From the images of the structure of benzil, if the ketone groups are facing opposite directions, you get a net 0 diploe moment because they cancel. But if you have a cis molecule, then they both face the same direction.
nickel can be extracted from nickel sulfide concentrates at 1200 c via the following reaction4nios ni3s2 --gt 7nis
Determine the atomic weight of your metal: Calculate the percent error for each using the atomic weight (literature) off of the periodic table:
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