Chapter 22: Problem 105
Part of a certain DNA sequence is G-G-T-C-T-A-T-A-C. What is the complementary sequence?
Chapter 22: Problem 105
Part of a certain DNA sequence is G-G-T-C-T-A-T-A-C. What is the complementary sequence?
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Get started for freeDraw the structural formula for each of the following. a. 3 -isobutylhexane b. \(2,2,4\) -trimethylpentane, also called isooctane. This substance is the reference ( 100 level) for octane ratings. c. 2 -tert-butylpentane d. The names given in parts a and \(\mathrm{c}\) are incorrect. Give the correct names for these hydrocarbons.
Name all the aldehydes and ketones that have the formula \(\mathrm{C}_{5} \mathrm{H}_{10} \mathrm{O} .\)
Draw the structures for two examples of unsaturated hydrocarbons. What structural feature makes a hydrocarbon unsaturated?
Cumene is the starting material for the industrial production of acetone and phenol. The structure of cumene is Give the systematic name for cumene.
A chemical "breathalyzer" test works because ethanol in the breath is oxidized by the dichromate ion (orange) to form acetic acid and chromium(III) ion (green). The balanced reaction is \(3 \mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}(a q)+2 \mathrm{Cr}_{2} \mathrm{O}_{7}{ }^{2-}(a q)+2 \mathrm{H}^{+}(a q) \longrightarrow\) \(3 \mathrm{HC}_{2} \mathrm{H}_{3} \mathrm{O}_{2}(a q)+4 \mathrm{Cr}^{3+}(a q)+11 \mathrm{H}_{2} \mathrm{O}(l)\) You analyze a breathalyzer test in which \(4.2 \mathrm{mg} \mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}\) was reduced. Assuming the volume of the breath was \(0.500 \mathrm{~L}\) at \(30 .{ }^{\circ} \mathrm{C}\) and \(750 . \mathrm{mm} \mathrm{Hg}\), what was the mole percent alcohol of the breath?
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