Chemistry, 07.12.2019 07:31 legrandschool1oxa0sd
In the proton nmr spectra of aldehydes and ketones, the protons bonded to carbons adjacent to the carbonyl group typically fall into which of the chemical shift ranges below?
a) 1.0-2.0 ppm
b) 2.0-3.0 ppm
c) 4.0-4.5 ppm
d) 7.0-8.0 ppm
e) 9.0-10.0 ppm
Answers: 2
Chemistry, 22.06.2019 04:00
Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral
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Chemistry, 22.06.2019 05:00
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
Answers: 1
Chemistry, 22.06.2019 22:30
Which statement best summarizes the importance of ernest rutherfordâs gold foil experiment? it proved that all of john daltonâs postulates were true. it verified j. j. thomsonâs work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
Answers: 1
Chemistry, 23.06.2019 00:00
Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?
Answers: 1
In the proton nmr spectra of aldehydes and ketones, the protons bonded to carbons adjacent to the ca...
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