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a) Draw the crystal-field energy-level diagrams and show the placement of d electrons for the following: [CrF6]-3
b) Indicate the coordination number of the metal and the oxidation number of the metal in [Co(CN)6]-3.
calculate the approximate concentration of the solution in mol/kg and determine the volume change of the ballon when it ascends from 1 atm pressure to 240 torr pressure ?
Assume that the aluminum atoms can be represented as spheres, as shown in the drawing (Part C figure) . If each atom has a radius of 1.43 , what is the length of a side of the unit cell
Consider a solution formed by mixing 58.0 mL of 0.100 M H2SO4, 37.0 mL of 0.100 M HOCl, 25.0 mL of 0.200 M NaOH, 25.0 mL of 0.100 M Ca(OH)2, and 10.0 mL of 0.150 M KOH.
calculate the molecular mass of the nonionic solutes 64.3 grams of solute in 3.90 x 102 grams of water raises the
The temperature at which a substance melts or boils depends upon the strengths of the intermolecular forces. What must happen for a substance to melt in terms of particles, intermolecular forces, and energy
A hypothetical metal has a simple cubic unit cell with the edge length of 4.123 Å. Calculate the radius of the metal atom.
How many grams of methane gas (CH4) need to be combusted to produce 12.5 L water vapor at 301 K and 1.1 atm? CH4 (g) + 2 O2 (g) -> CO2 (g) + 2 H2O (g)
Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of cyanic acid (HCNO) and 0.80 mole of sodium cyanate (NaCNO) in enough water to make 1.0 liter of solution. [Ka(HCNO) = 2.0 ? 10-4]
A major source of sodium metal is produced as a result of electrolysis of molten sodium chloride. What magnitude of current is required to produce 1.0 kg of sodium metal in one hour
How many Micromoles of A- and HA are present in the solution. If you now add 3mL of 1M NaOH, will you still have a valid buffer.
Major Organic Product Formed of Acetyl Chloride Reacting with Reagents, What major organic product would you expect to be formed when acetyl chloride reacts with each of the following reagents?
How many grams of sulfur are required to produce 768 grams of sulfur dioxide in the following reaction: S + O2 --> SO2?
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