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if 24.7 grams of sulfur react with iron (III) how much of the single will be made if only 27.2 grams is created
Calculate the percent ionization of a 0.578 M solution of hydrofluoric acid.
% Ionization = %
What is the pH of an aqueous solution of 3.99×10-2 M nitric acid?
pH =
2NOBr(g) 2NO(g) + Br2(g)
If 0.364 moles of NOBr(g), 0.448 moles of NO, and 0.543 moles of Br2 are at equilibrium in a 19.1 L container at 464 K, the value of the equilibrium constant, Kc, is .
The vapor pressure of benzene is 73.03 mm Hg at 25 °C. A nonvolatile, nonelectrolyte that dissolves in benzene is TNT.
Calculate the vapor pressure of the solution at 25 °C when 8.249 grams of TNT, C7H5N3O6 (227.1 g/mol), are dissolved in 236.0 grams of benzene.
benzene = C6H6 = 78.12 g/mol.
VP(solution) = mm Hg
An aqueous solution is made by dissolving 29.4 grams of nickel(II) nitrate in 403 grams of water.
The molality of nickel(II) nitrate in the solution is m
An aqueous solution of sodium bromide, NaBr, contains 3.40 grams of sodium bromide and 17.4 grams of water.
The percentage by mass of sodium bromide in the solution is %.
a can of soda contains 5.9 x 10^5 J of energy, while a slice of pizza contains 1.2 x 10^6 J. if you drink a six pack of soda and eat five slices of pizza during a san antonio spurs basketball game, by how many calories did you exceed the required daily intake of 2,000 calories per day?
Graphite is a covelent molecule but a good conductor of electricity. Explain
conjugate acid of PO3−4
conjugate acid of NH3
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