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What absorption is diagnostic of benzophenone and not present in benzhydrol (give frequency and functional group); and what absorption is diagnostic of benzhydrol and not present in benzophenone?
measured in a 1.00-cm pathlength cuvette, has an absorbance of 0.321 while the reagent blank in the same cuvette has an absorbance of 0.014. What would be the absorbance reading of these two solutions if measured in a cuvette with 5.00 cm pathleng..
When the valves are opened and the gases are allowed to mix at constant temperature, what is the distribution of atoms in each container. Assume that the containers are of equal volume, and ignore the volume of the tubing connecting them.
Calculate the theoretical mass of benzil that can be reduced to hydrobenzoin using 100 mg of NaBH4
Write the balanced equation. BaCl2(aq) + 2AgNO3(aq) ? 2AgCl(s) + Ba(NO3)2(aq) b. What mass of AgNO3, in grams, is required for complete reaction with 0.156 g of BaCl2? What mass of AgCl is produced? 0.156 g BaCl2 0.2547 g AgNO3 0.2149 g AgCl Are t..
Calculate the concentration of Ca2 at V = 1/2 Ve? Calculate the concentration of Ca2 at V = Ve.? Calculate the concentration of Ca2 at V = 1.1 Ve.?
The solubility of CO2 in water at 25°C and 1 atm is 0.034 mol/L. What is its solubility under atmospheric conditions? (The partial pressure of CO2 in air is 0.0003 atm.) Assume that CO2 obeys Henry's law.
The concentration of methane in the biogas leaving an anaerobic digester (part of a wastewater treatment system) is 55% (volume basis) at 50 °C. The remaining 45% is CO2.
A 2.20 g sample of a large boimolecule was dissolved in 13.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule.
Let x1 and x2 represent the mole fractions of 1-propanol and 2-propanol in a liquid mixture, respectively, and y1 and y2 represent the mole fractions of each in the vapor phase. For a solution of these liquids with x1 = 0.660, calculate the compos..
Strong, non-charged bases are useful in base-catalyzed reactions. Many non-charged nitrogen bases are commonly used in various reactions. Perhaps the strongest non-charged base is shown below
Two types of electrochemical cells which are based on thermodynamic principles can be described. Which of the following statements about these cells is correct
An unknown volume of water at 18.2 degrees Celsius is added to 21.6 mL of water at 35.0 degrees Celsius. If the final temperature is 23.5 degrees Celsius, what was the unknown volume
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