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Write lewis dot strutures of I2O5 and Cl2O5. Based on the trends in atomic radii, predict whether the I-O bond length will be longer or shorter than the Cl-O bond.
What is the molarity of a solution when 38.8g of potassium chromate (K2CrO4 ) is dissolved in enough water to make 3 liters of solution
when 7.20 grams of h2so4 l at 22.0oc are poured into a 94.0 gram mixture of ice and watercontaining 6.15 grams of ice a
Why are the Kr---Kr and intermolecular Br---Br distances in the solid form of the two elements practically identical. How would you expect the Br---Br distances in solid CBr4 to be related to the above distances
Calculate the pH of a solution prepared by adding 20.0 mL of 0.100 M HCl to 80.0 mL of a buffer that is comprised of 0.25 M C2H5NH2 and 0.25 M C2H5NH3Cl. Kb of C2H5NH2 = 9.5 x 10-4
The hydrogen gas generated is collected over water at 20.0 C. The volume of the gas is 246 mL at 760 mm Hg. What mass of zinc was used
If a solution containing 30.06 g of mercury(II) acetate is allowed to react completely with a solution containing 8.564 g of sodium sulfate, how many grams of solid precipitate will be formed?
nbspthe electronic configuration of methyl 4-methoxycinnamate might be established very well in the cyclic intermediate
An unknown compound contains carbon, hydrogen, oxygen, and sulfur atoms. When a 10.00 mg sample of the unknown compound was combusted, it produced 16.27 mg of CO2, 5.55 mg of water, and 7.90 mg of SO2.
50.00mL of a hydrochloric acid sample requires 33.87mL of a 0.1292 M barium hydroxide solution to reach the end point. What is the molarity of the hydrochloric acid
The Km for the reaction of chymotrypsin with N-acetylvaline ethyl ester is 8.8 x 10-2 M, and the Km for the reaction of chymotrypsin with N-acetyltyrosine ethyl ester is 6.6 x 10-4 M.
What is the concentration of dissolved O2 in blood (or water) at this partial pressure and a normal body temperature of 37C? The solubility of O2 in water at 37C and 1atm partial pressure is 1.93x10^-3 mol/L?
the rate constants of some reactions double with every 10 degree rise in temperature. assume that a reaction takes
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