How many molecules are in 15.0 g of oxygen gas (O2)?
1 answer:
Answer:
2.82*10^23
Explanation:
please see attached for work!
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Answer:
- Elements are made up of only one type of atom.
- Each element has a unique chemical symbol.
- Elements can be identified by their atomic number.
Explanation:
Answer:
B
Explanation:
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Answer:
CH4(g)+2O2(g)→CO2(g)+2H2O(l).
3 mass number- proton number
Answer:
Either A or D
But i think D
hope this helps =3
sorry if im wrong
