Chemistry, 09.01.2021 03:40 tornadowolfcosplay
6. Mass of a sample of NO2 with 1.54 x 10^24 atoms.
7. How many molecules in a sample of NaClO with a mass of 3.90g.
8. 2.4g of CO2 would have how many Oxygen atoms.
9.63 x 10^22 molecules of CH3COONa to gram.
10. 3.6g AlPO4 to moles
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6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space
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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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13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.
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Chemistry, 22.06.2019 17:40
If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?
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6. Mass of a sample of NO2 with 1.54 x 10^24 atoms.
7. How many molecules in a sample of NaClO wi...
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