Chemistry, 09.01.2020 01:31 victordguerrero2535
What is the empirical formula of a compound containing 90 grams carbon, 11 grams hydrogen, and 35 grams nitrogen? a. c3h4n b. c2h4n c. c4h10n d. c2h5n
Answers: 1
Chemistry, 22.06.2019 08:40, jaueuxsn
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
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How does a large body of water, such as the ocean, influence climate?
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Chemistry, 22.06.2019 23:30, adamgala3885
The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth
Answers: 1
What is the empirical formula of a compound containing 90 grams carbon, 11 grams hydrogen, and 35 gr...
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