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Write the complete balanced equation for the formation of iron(III) hydroxide precipitate from a solution of iron(III) nitrate. The half reaction method works very well here.
When X rays of wavelength 0.096 nm are diffracted by a metallic crystal, the angle of first-order diffraction (n = 1) is measured to be 15.2°. What is the distance between the layers of atoms responsible for the diffraction?
Nitrosyl chloride (NOCl) decomposes at elevated temperatures according to the equation 2NOCl(g) ->2NO(g) + Cl2(g). Calculate Kp for this reaction at 680°C. (For this reaction ΔH° = 81.2 kJ/mol, ΔS° = 128 J/K·mol)
Boron has two naturally occurring isotopes, 10B (19.9%)and 11B (80.1%). Although the B2 moleculedoes not exist naturally on Earth, it has been produced in the laboratory and observed in stars. (a) How many differentB2 molecules are possible? (b) W..
Calculate the number of bromine molecules present in the flask if A flask contains 0.350mol of bromine, Br2 in liquid form .
A lime-soda softening plant treats a flow of 150 MGD, and the water has 86 mg/l CO2. The commercial grade of quicklime has a purity of 85% and the soda ash has a purity of 95%.
How many grams of sodium bromide must be added to 309 grams of water in order to prepare a 0.108 molal sodium bromide solution?
How many grams of methane [CH4 (g)] must be combusted to heat 1.19 kg of water from 25*C to 60*C, assuming H2O (l) as a product and 100% efficiency in heat transfer?
Calculate the heat required to convert 24.0 g of C2Cl3F3 from a liquid at 12.00°C to a gas at 56.00°C
The formula weight of compound X is 14,200 g/mol How many total mg of X are there in the panda pancreas?
If 12.5 g of magnesium nitride is treated with water, what volume of ammonia gas would be collected at 28°C and 753 mm Hg?
The compounds Na2O, CdS and ZrI4, all can be described as cubic closest packed anions with the cations in tetrahedral holes. What fraction of the tetrahedral holes is occupied for each case?
Mathematically determine which acid contributes a larger concentration of H3O+ ions into the solution, be sure to report the H3O+ concentrations for both, label them clearly, and identify which substance creates a larger concentration?
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