If the following mixtures of two compounds are being separated by gas chromatography, which one of the compounds would be expected to elute from the column first (have the shortest retention time)? consider boiling points that are only i or 2°c apart to be essentially identical. consider compounds with the same functional groups to be identical in polarity if they differ by no more than a few carbons. look up any necessary structures. mixture compound with the shortest retention time polarity of the column packing a. ethyl acetate (bp 77°c) and ethyl butyrate (bp 120°c) polar nonpolar b, ethyl acetate (bp 77"c) and ethyl butyrate (bp 120°c) c. acetic acid (bp l 18°c) and n-butyl alcohol (bp 117c) polar d. sec-butyl alcohol (bp 100"c) nonpolar and ethyl propionate (bp 99c)
Answers: 3
Chemistry, 22.06.2019 14:30
How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.
Answers: 2
Chemistry, 22.06.2019 19:30
How might this scientific phenomena be explained? a paper clip floats on water.
Answers: 1
Chemistry, 23.06.2019 05:00
Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms
Answers: 1
Chemistry, 23.06.2019 10:30
Identify the limiting reactant when 9.65-g h2so4 reacts with 6.10-g of naoh.the equation is h2s04 + 2naoh = 2h2o + na2so4• what is the theoretical yield of na2so4, in grams? • how much of the excess reagent will remain after the reaction has been completed? • if 10.5-g of na2so4 are actually recovered experimentally, what is the percent yield?
Answers: 3
If the following mixtures of two compounds are being separated by gas chromatography, which one of t...
English, 18.10.2019 20:30
Mathematics, 18.10.2019 20:30
Mathematics, 18.10.2019 20:30
Social Studies, 18.10.2019 20:30
Mathematics, 18.10.2019 20:30
Social Studies, 18.10.2019 20:30