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A thermometer containing 9.5 of mercury has broken. If mercury has a density of 13.6 , what volume spilled?
The dissociation constant (Kd) for the complex is 4.00E-7. Find the absorbance at 550 nm of a solution prepared by mixing 50.0 ml of 2.00 mM A and 50.0 ml of 5.00 mM B. assume the absorbance is measured with a 1.00 cm cuvette.
Under certain conditions of temperature and pressure, 15.0 mL of a gas "Cb" with a molas mass of 56.0 g/mol effused through a pinhole in 30min.
calculate the molarity of a solution of glycerol made by dissolving 68.000 glycerol at 15 in enough water to make
Write the electron configuration in spectroscopic notation starting with the preceding inert (please also explain a lil bit if you have time) gas for the following. Tell whether each is paramagnetic or diamagnetic.
The black silver sulfide discoloration of silverware can easily be removed by heating the silver article in a sodium carbonate solution in an aluminum pan.
How many spots should you see on a TLC plate for your recrystallized benzoic acid (assuming your recrystallization worked)
A dry cleaning solvent with a molar mass of 146.99 grams/mole that contains C, H, and Cl is suspected to be a cancer causing agent. When a 0.250 gram sample was studied by combustion analysis, 0.451 grams of CO2 and 0.0617 grams of H2O was formed...
The cell constant of a conductivity sell is equal l/A. The resistance of the NaCl solution is found to be 254 Ω . Using the same sell the resistance of the 0.05 M KCL is found to be 467 Ω . Estimate the NaCl concentration if the molar conductivity ..
Give the product(s) for the reaction of (E) 3-hexene with OsO4/H2O2. Give the Fisher projection for all the products. Draw the Newman Projection for each.
the half-life for the reaction at 550c is 81.3 seconds. how long does it take for 89 of phosphine sample to
which of the following terms would be used to describe the mechanism of the reaction of 4-methy-2-pentene with sulfuric acid and water as solvent to form pantanol
The pka of the amino group is 9.20. Calculate the pI for tyrosine. At what pH is the side chain of tyrosine 1/4 ionized?
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