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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?
The limiting current of lead in an unknown solutions is 5.60μA. one mL of a 1.00 x 10-3M lead solution is added to 10.0mL of the unknown solution
methanol is burned as fuel this makes it clear that the reaction is spontaneous once methanol is ignited. yet the
What is the "mass per volume" percent of a household bleach product? I believe the question is asking for a calculation but I do not know how to proceed
A gas occupies a volume of 925mL at 30 degrees celcius and 1.2atm. What volume will it occupy at STP?
How many gm of dry NH4Cl need to be combined to 2.30L of a 0.300M solution of NH3, to prepare a buffer solution of pH 8.85.
a) Using the value Ecell = 0.68V, calculate the [Ag+] in the test solution after equilibrium is reached. b). Setup a reaction table for equation above and calculate the formation constant for Ag(S2O3)23-.
a mole of photons is called an einstein. calculate the radiant energy of an einstein if the photons have a wavelength
Draw the structures of products A and B of the following series of reactions. only draw majow products. Ethyl benzene + NBS/peroxide-----> product A
c3h8g 5o2g-gt 3co2g 4h2ol ho -2220 kjmolpropane is often used for gas grills and is typically purchased by filling a
What mass of potassium chromate is needed to add to exactly 500g of water to produce a solution with vapor pressure of 21.50 torr at 24 C
Assume you dissolve 6.73 grams Na2CO3 in enough water to make 250 mL of solution. What is the molarity of the sodium carbonate?
calculate the final temperature when a 20.4 gram sample of ice at 0oc is placed into a styrofoam cup containing 111
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