Which of the following is an example of a nonmetallic mineral?
a. sulfur
b. lead
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Chemistry, 17.11.2019 00:31 lololol270
Which of the following is an example of a nonmetallic mineral?
a. sulfur
b. lead
c. aluminum
d. gold
Answers: 2
Chemistry, 22.06.2019 09:00
Which explanation is true about what happens to a ray of light when it strikes a mirror? a. a light ray is transmitted toward a mirror at a certain angle. the light ray is then reflected by the mirror at an equal angle but in the opposite direction of the transmitted ray. b. an incident ray strikes a mirror at an angle with a line perpendicular to the mirror. the light ray is then reflected at an angle equal to the angle of incidence but on the opposite side of the perpendicular line. c. a reflecting ray strikes a mirror at an angle with a line perpendicular to the mirror. the light ray is then refracted at an angle equal to the angle of the reflecting ray and on the same side of the perpendicular line. d. an incident ray strikes a mirror at an angle with a line parallel to the mirror. the light ray is then transmitted at an angle equal to the angle of incidence but on the opposite side of the parallel line. you so much! : -d take the time to try and answer correctly.
Answers: 3
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How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene
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Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation
Answers: 1
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Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?
Answers: 1
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