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A 1.00 L container of water was passed during a solid phase extractor. As the water passed through the extractors, the analyte was adsorbed onto the solid phase. It was subsequently eluted with 10.0mL of hexane. Gas Chromatography resolute that there was 14.2 mg/L of analyte in the hexane. Explain what is the concentration of analyte in the water?
Starting with a sample of (R)-2,3-dimethylhexan-3-ol, provide the best synthesis of (R)-3-chloro-2,3-dimethylhexane
calculate mass of CCl 4 that formed if 1.5 moles of CH 4 react with 1.4 moles of Cl?
formyl radicals undergo the second-order reaction2 cho ----gtch2o cowith a rate constant of 3.01e10 m-1middots-1. if a
Deduce the structure of the molecule with the molecular formula C3H6 with a C13 NMR delta peak value of 27.8
What kinetic energy must the electrons have in order to resolve a protein molecule that is 4.60 nm in diameter. Take the mass of an electron to be 9.11× 10-31 kg.
A solution of sulfuric acid (H2SO4) is to be reacted with a solution of sodium hydroxide to make sodium sulfate and water. 240 mL of the H2SO4 solution reacts with 217mL of the NaOH solution. If the morality of the NaOH solution is 0.219 M, comput..
Calculate the freezing point of each of the solution 75.0 g of glucose,C6H1206 , added to 0.539 kg of water. Calculate the boiling point of the solution. 75.0 g of glucose,C6H1206 , added to 0.539 kg of water.
Determine the boiling point of a solution of 22.5 g of fructose, C6H12O6 , in 294 g of phenol.
but did not exactly add 4.0 mL. Instead he added 4.50mL. What was the final concentration of her standardized solution in ppm?
Choose the answer which presents the chemical formulas for two substances in order of decreasing melting point (highest melting point first) and gives a valid reason for this order.
Given that acetophenone is a meta- director, draw all three resonance structures for the carbocation intermediate that results from STEP 2 in the electrophilic aromatic substitution reaction when acetophenone reacts with Br2 in the presence of FeB..
A zero-order reaction has a constant rate of 1.60×10-4 . If after 35.0 seconds the concentration has dropped to 2.50×10-2 , what was the initial concentration?
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