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The concentration of commercially available nitric acid is 70.0 percent by mass, or 15.9M. In 100 grams of solution, there are 1.11 mol HNO3. Calculate the volume of 100 g of the solution.
Write the half-reactions for the silver-silver chloride and calomel reference electrodes.
What types of stationary phases used for column chromatography and HPLC? How these staionary phase work and what types of compounds can be separated using this?
Perform the various calculations with your collected data as listed in the lab's observations section and compare your results with the literature values by calculating your percent error for each of the metals.
Assume the density of the vinegar solution is 1.00 g/mL and 5.00% by mass acetic acid. Determine the volume of vinegar that can be neutralized with 25.0 mL of 0.100 M NaOH.
Describe the role of biotin in the gluconeogenic pathway. What effect would biotin deficiency have on a person, and how might you overcome or avoid that effect?
explain it is important to cerry out the determining the molar mass of a volatile liquid by the dumas method
The density of H2O2 is 1.463g/ml and the density of O2 is 1.428 g/l. How many liters of O2 will from 55.0mL of H2O2?
If 1.35g of AgNO3 is dissolved in 115 mL of water, and to this solution is added 5.00 mL of HCl resulting in the formation of a precipitate. Find the concentration of silver ions remaining in the solution
The specific heat capacity of silver is 0.240 J/(g x degrees C). Calculate the energy (in kJ) required to raise the temperature of 263 g Ag from 273K to 278 K.
The lab is synthesis of Methyl Red. The question is starting with the appropriate aromatic amine and using any other organic or inorganic reagent, outline a synthetic sequence for the preparation of Chrysoidine, Para red and Congo red
The previous best inhibitor is drug candidate AAA, with a Ki value of 10^-6 M. The following data has just come in from the lab for a modification of the same drug candidate, BBB.
A certain substance has a heat of vaporization of 44.01 kJ/mol. At what Kelvin temperature will the vapor pressure be 4.50 times higher than it was at 289 K?
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