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Acetone, a common laboratory solvent, has DeltaHvap = 29.1kJ/mol and a normal boiling point of 56.1 C. At what temperature (in C) does acetone have P_vap = 109 mm Hg?
The following results were obtained for the determination of sulfur in another coal sample. The average for 3 trials was 2.28 %S. Report the 95% confidence limits for the average sulfur content in this sample based on the knowledge from extensive ..
which of the following transition metal complexes is diamagnetic?
Using all the inorganic reactants neccessary and only CH3I and acetylene as carbon based compounds, make (2S,3R)-2,3-butanediol. Show both a retrosynthesis and forward synthesis.
Sodium sulfate is slowly added to a solution containing 0.0500 M Ca2 (aq) and .0280 M Ag (aq). What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to precipitate
Draw the Lewis structure of the lowest energy imidazolium ion. This is the lowest energy product formed when imidazole is protonated.
A titration experiment is set up to use .235M bleach (NaOCl) to analyze CrO2^-. If 50mL of the CrO2^-(aq) solution required 28.62mL of bleach to react to completion, what would you calculate as the molarity of the CrO2- solution
Acrylonitrile is an important building block for synthetic fibers and plastics. Over 2 billion pounds of acrylonitrile are produced in the United States each year.
isopentyl alcohol with an excess of acetic acid, how many gras of isopentyl acetate( MW =130.2 g/mol) would you hav if the yield was 75%?
According to the following reaction, what volume of 0.244 M KCl solution is required to react exactly with 50.0mL of 0.210 M Pb(NO3)2 solution?
What is the Ksp value for KHT at 10°C, 23.5°C, 35.0°C and 50.0°C?
Calculate the pH at the equivalence point for the titration of 0.25 M CH3COOH with 0.25 M NaOH. (For CH3COOH, Ka= 1.8 × 10^-5)
A researcher is interested in studying the effect of vanadium (V) on egg albumen. He wants to supplement the V to 1 metric ton of his laying hen diet at a concentration of 100 ppm.
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