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Which of the following molecules would a flame ionization detector (FID) be sensitive to after separation on a gas chromatography column? Choose all that apply.
A. carbon dioxide
B. methylcyclopentane
C. hydrogen sulfide
D. oxygen
E. ammonia
F. propane
G. n-pentane
Calculate the value of each partition function. c) Use the TST to calculate the rate constant for the reaction D + H2à DH + H
How many minutes would be required to electroplate 25.0 g of manganese by passing a constant current of 4.8 A through a solution containing MnO4 -
why do we need to excess FCR? Also give 3 reasons why gallic acid is used as standard for the total phenolic assay?
container Ais filled with air at STP, it is then inserted into a large enclosed container B, which is then flushed with H2(g), what will happen to the pessure inside container A? explain your answer.
Calculate the mass of KI in grams required to prepare 9.00 102 mL of a 1.00 M solution.
Calculate the average absorbance and use this value for an absorbance point on your graph. Use the printed graph from above, find the average Absorbance of the unknown on the y-axis
Water has vapor pressure of 23.8 torr at 25 degrees celsius. Find vapor pressure of water at 40 degrees celsius if delta H of vaporization is 40.7 KJ/mol.
What is the concentration of the HNO3 solution? (b) How many moles of NaOH were in excess after the first addition?
Why is H2C=CHC6H5 more reactive to cationic polymerization than H2C=CHCH3? but then when we compare those same two alkenes to anionic polymerization the phenyl is still more reactive?
the national institute for occupational safety and health (NIOSH) sets standered for ccl4 in air at 12.6 mg/m^3 of air
Ascorbic acid (Vitamin C, H2C6H6O6) is a diprotic acid. In a laboratory exercise, a vitamin C tablet was analyzed by titration using 0.125 M NaOH(aq). On the average, it required 29.5 mL of the base to neutralize the acid in the one tablet. How ma..
It gave a mixture of MgO and ZnO that had a mass of 1.409g. What mass of An was there in the original mixture?
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