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The rutile and fluorite structures, shown here (anions are colored green), are two of the most common structure types for ionic compounds where the cation to anion ratio is 1:2.
(a) For CaF2 and ZnF2 use ionic radii, Ca2+, (r=1.14 A°), Zn2+(r=0.88 A°), F- (r=1.19 A°) to predict which compound is more likely to crystallize with the fluorite structure and which with the rutile structure.
(b) What are the coordination numbers of the cations and anions in each of these structures?
A solution is made by dissolving 0.535 mol of nonelectrolyte solute in 841 g of benzene. Compute the freezing point and boiling point of the solution. Constants may be found here.
Which of the following pairs of molecules is listed in order of decreasing net dipole moment (from more polar molecule to less polar molecule)
Calculate the [OH-] of each aqueous solution with the following [H3O^+] at 25 degrees c: a. Baking soda, 1.0x 10^-8M b. Orange juice 2.0x 10^-4 M c. milk 5.0 x 10^-7 M D bleach 4.8x 10^-12m
when separated from a water solution cuso4 forms a hydrate with 5 water molecules per formula unit. if 36 g of
A pipe 10 cm in diameter contains steam at 200?. It is covered with an insulating material that is 5 cm thick. This insulating material has a constant of thermal conductivity K = 0.00060 cal/cm2 sec. The outside surface of the system is 35?. Find ..
determine what is the density of the oxygen gas in the full bottle if a cylindrical gas lecture bottle has internal
A sample of aqueous chlorine bleach solution was analyzed to contain 5.00% Cl(w/v) {or 5.00gcl per 100ml}. if the source if chlorine is calcium hypochlorite Ca(OC)2 (142.98), what is the % Ca(OCl)2 (w/v) in the bleach solution?
Draw resonance contributors for the following: indicate major and minor contributors to hybrid
Cadaverine, a fould smelling substance produced by the action of bacteria on meat, contains 58.55% C, 13.81% H and 27.40% N. Its molar mass is 102.2 g/mol.
A sample of krypton gas at a pressure of 0.621 atm and a temperature of 20.7oC, occupies a volume of 17.2 liters. If the gas is compressed at constant temperature to a volume of 5.62 liters, the pressure of the gas sample will be
It is known that N2O is a linear molecule, but assume it is not known whether the structure is N-N-O or N-O-N. Use the IR data to decide between the two structures. What Vibrations can be assigned to the strong absorbtion bands? What are the possi..
The optimal temperature for the action of lactate dehydrogenase is 36*C. It is irreversibly inactivated at 85*C, but a yeast containing this enzyme
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