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Tungsten crystallizes in a body-centered cubic unit cell with an edge length of 317pm. Explain what is the length in pico meters of a unit cell diagonal that passes through the center atom?
effuse through a membrane. How long would it take the same number of moles of Ar(g) to effuse through the same membrane?
you have a stock solution of 14.8m ammonia. determine how many milliliters of this solution should you dilute to make
a sample of nitrogen in a 4.5l container at a temperature of 27 degrees c exerts a pressure of 4.1 atm. calculate the
If in a decompositionreaction, one sample of magnesium fluoride produced 1.66kg of magnesium and 2.58kg of fluorine. A second sample produced 1.27kg of magnesium.How much fluorine (in grams) did the second sample produce
how many grams of NO2 will be produced when 2.0 L of nitrogen at 840 mmHg and 24 C are completely reacted N2+2 O2-----2 NO2
Identify (invent??) a salt which has a weak acid as it's cation and a weak base as its anion so that the salt would yield an acidic solution in water.
what mass of sucrose should be combined with 462 of water to make a solution with an osmotic pressure of 8.30 at 270 ?
question how to draw a diagram of sodium metal starting with one sodium atom then two atoms then four atoms then eight
a 93.7 g 5.20 mole sample of water is heated to exactly 94.4 celsius. it is then added to 90.1 g 5.00 mole of water at
The ionic radii of Cs+=.174nm, radius of Cl-=.181nm, and the coordination numberof each ion=8, Calculate the lattice parameter
if 5.0 of nitrogen at 12 degree Celsius and 1.30 atm pressure reacts with the same volume of hydrogen at the same temperature and pressure, what volume of ammonia is obtained at that temperature and pressure?
The Aldol condensation is very sensitive to the mole of ratio of starting materials used. What would be the products of 1:1 mole ratio
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