What number and types of atoms occur in a formula unit of Ca(NO3),?
Select one:
. 1 calcium...
Chemistry, 07.05.2021 19:20 Kaylenejohnson00
What number and types of atoms occur in a formula unit of Ca(NO3),?
Select one:
. 1 calcium atom, 2 neon atoms, and 3 oxygen atoms
. 1 calcium atom, 2 nitrogen atoms, and 6 oxygen atoms
. 1 carbon atom, 1 neon atom, and 6 oxygen atoms
. 1 carbon atom, 1 nitrogen atom, and 3 oxygen atoms
Answers: 3
Chemistry, 22.06.2019 12:30
Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together
Answers: 1
Chemistry, 22.06.2019 19:00
What information does a complete ionic equation give that the balanced equation doesn’t show?
Answers: 1
Chemistry, 23.06.2019 11:00
Which of the following reactions represents an exothermic reaction? nh3(g) + 12.0 kcal ½n2(g) + 3/2 h2(g) ch4 + 2o2 co2 + 2h2o + 212,800 cal c + 2s cs2, h = 27,550 cal c(graphite) c(diamond), h = 0.45 kcal 2h2o 2h2 + o2, h = +58 kcal
Answers: 1
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