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(1) What is the formula of a compound that crystallizes with copper ions occupying one-half of the tetrahdral holes in a FCC array of fluoride inon?
(2) What is the formula of a compound that crystallizes with fluoride ions occupying all of the tetrahdral holes in a FCC array of calcium ions?
Determine all concentrations after 15 minutes. What is the chlorine concentration. What is Q after 15 minutes?
a 125 g metal block at a temperature of 93.2 degrees celsius was immersed in 100 g of water at 18.3 degrees celsius.
What is the percent ionization of a 0.186 M solution of this acid? A certain weak base has a Kb of 7.50 × 10-7. What concentration of this base will produce a pH of 10.06?
A second sample of this acid weighing 3.00 grams is added to the tirated sample and the pH is 6.60. Calcualte the molar mass of the unknown acid and determine the value of Ka for this acid.
If composite, define each simple sub-system and the internal restraint. If the vessel is shaken vigorously. Is the system then a simple or composite system?
During the course of an experiment, a 0.300 M NaCl solution with an initial volume of 25.0 ml is diluted to a total final volume of 26.0 ml. What is the concentration of NaCl in the final solution?
When potassium hydroxide runs out and we have to use potassium carbonate instead. Will potassium carbonate be a good titrant to use for selective precipitation?
Arrhenius acids are compounds that produce one or more hydrogen ions(H^+) plus an anion when dissolved in water. Anions can be manotamic or polyatomic
A fellow student is having trouble understanding polar covalent bonds, non-polar covalent bonds, and ionic bonds. Describe how you would help your the fellow student
considering the given reaction 6lisn2g yields 2 li3ns detrmine what mass of lithium in g is needed to react completely
How many moles of gas are in a balloon with a volume of 2.14 liters at a temperature of 298 K and a pressure of 1.11 atm?
The Henry's Law constant (Kh) for O2 in water at 20 degrees C is 1.28e^-3 mol/L*atm. How many grams of O2 will dissolve in 2.00L of H2O that is in contact with pure O2 at 1.00 atm?
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