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Why does it not make sense to think of sand as just being composed of a bunch of SiO2 molecules
ICE Problem: Calculate Final Concentrations, Phosgene, COCl2 (g), is an extremely toxic gas. It was used during World War I. Today it is used to manufacture pesticides, pharmaceuticals, dyes, and polymers. It is prepared by mixing carbon monoxide ..
Compare and contrast continuous spectrum and line spectrum as they relate to the elements. Describe how spectral lines can be used to identify elements.
imagine you are a water molecule, describe your travels through the many you have been and might go in the future as you make your way around the hydrologic cycle time after time. Include travels through organisms.
container at a temperature of 47C exerts a pressure of 6.3 atm. Calculate the number of moles in the sample
When 10.0 g of NH3 reacts, the actual yield of N2 is 8.50 g. What is the percent yield?
At standard temperature, a gas has a volume of 335 mL. The temperature is then increased to 123 degrees celcius, and the pressure is held constant. What is the new volume
Identify the best nucleophile for 2-bromo-2-methylpropane and 2-chloro-2-methylpropane in an Sn1 and a Sn2 reaction; acetone, isopropanol
Which combination of atoms is most likely to produce a compond with covalent bonds?a) K and Brb) Al and Sc) S
Calculate the moles of silver nitrate and sodium chloride. (c) Which reactant is the limiting reagent? (d) Determine the theoretical yield in grams of silver chloride formed.
4.00 mL of 2.0E-3 M iron(III) nitrate solution is mixed with 5.00 mL of 2.0E-3 M potassium thiocyanate solution, 6.00 mL of 0.500 M nitric acid solution
A solution contains 9.87 (g) of dissolved silver. How many moles of potassium chloride must be added to the solution to completely precipitate all of the silver?
the solvent travel only half way up the chromatographic paper in the spot testing chromatogram.predict the effect of this procedural change on the solution of the cation in the standard mixture
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