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Aniline (C6H5NH2, Kb = 4.3 x 10^-10) is a weak base used in the manufacture of dyes. Calculate the value of Kn for neautralization of aniline by vitamin C (ascorbic acid, C6H8O6, Ka = 8.0 x 10^-5). Does much aniline remain at equilibrium?
considering the given equation as p4 s h2g --gt ph3g balance this chemical equation and determine how many grams
A 2.5 g sample of a gas fills a 5 liter container. If the pressure in the container is 1.2 atm at a temp of 27 C, what is the molecular weight of the gas in g/mol
What is the pH of 100. mL of a buffer solution where the concentration of acetic acid is 0.50 M and the concentration of sodium acetate is 1.0 M? Ka = 1.8 x 10-5 for acetic acid.
A 70kg skier is going down a hill that is inclined at a 12 degree angle to the horizontal. the coefficient of kinetic friction between waxed skies and snow is .05. The force of the air resistance on the skier is 15.6N. find the skiers acceleration..
What is the maximum number of electrons that can be in a second electron shell (principal energy level)?
Calculate the potential of a platinum electrode immersed in a solution that is prepared by mixing 25.00 mL of .0832M V\(V_{2}(SO_{4})_{3}\)
a gas company in massachusetts charges $2.80 for 15ft^3 of natural gas at 20 degrees C and 1 atm. Calculate the cost of heating 200mL of water from 20 degrees C to 100 degrees C.
a specific brand gourmet chocolate candy contains 7.00g of dietary fat in each 22.7 piece. how many kilograms of
What is the total electronic energy
Strike anywhere matches contain the compound tetraphosphorous trisulfide, which burns to form tetraphosphorus decaoxide and sulfur dioxide gas.
A gas occupies 4.04 L at 860 torr and 10C. What volume will it fill if the pressure is changed to 731 torr and the temperature is raised to 43C
a 1.00-l gas sample at 100. degrees celsius and 600. torr contains 50.0 helium and 50.0 xenon by mass. what are the
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