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Question: How many moles of sodium hypobromite (NaBrO) should be added to 1.00 L of 0.055 M hypobromous acid (HBrO) to form a buffer solution of pH 8.95? Assume that no volume change occurs when the NaBrO is added.
Describe the use of light absorbing reagents in amino acid chromatography. What are these reagents used for? Name two reagents that are commonly used and describe how they react with amino acids.
How many grams of Fe2O3(s) are produced from 500.0 g of FeS2(s) and 400.0 g of oxygen gas?
In trans-1,2-dibenzoylethylene, even though the conjugated C=O group frequency coincides directly with the expected C=C stretching fequency, we would not have expected to observe the late stretching mode in the infrared spectum. Why
Consider the standard cell at 25 degrees Celsius based on the following half reactions. Pb^(2+) + 2e- > Pb Eofcell = -0.13V Zn^(2+) + 2e- > Zn Eofcell = -0.76V To the STANDARD CELL, OH-, is added to the zinc compartment causing precipitation of Zn..
A 98 L sample of dry air cools from 138°C to -30.°C while the pressure is maintained at 2.85 atm. What is the final volume?
Calculate the percent yield of benzophenone to triphenylmethyl reaction. started with 4.09g of benzophenone and ended up with .682g triphenylmethyl can anyone help me convert these into moles and calculate the yield
1why is an acetyl group added to aniline making acetanilide and then removed to regenerate the amine group in
A solution of lactic acid, HC3H5O3, on a laboratory shelf was of undetermined concentraton. If the pH of the solution was found to be 2.51, what was the concentration of the lactid acid?
Gold has a face-centered cubic structure and has a density of 19.3 g/cm3. What is its atomic radius?
The Fe^2+/Fe half-cell reduction potential is -0.41 V, and the H+/H2 half-cell reduction potential is 0.00 V. What is the value of Eo for this cell, and which electrode is the anode
How many grams of oxygen are collected in a reaction where 265mL of oxygen gas is collected over water at a temperature of 25 degrees celcius and a total pressure of 696 torr
Rb-87 decays with a half-life of 48.8 billion years to Sr-87. For short periods of time, there are so few decays that the number of changed nuclei is far smaller than the experimental error.
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