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Answer:
<h2>
2 is the coefficient of CO₂</h2>
Explanation:
The <u>coefficient</u> is the number in front of a substance that indicates how many molecules or atoms are. For example, when we see 5He, it shows that there are 5 atoms of helium. When we see 5H₂O, it indicates that there are 5 molecules of water, each having 2 atoms of hydrogen and 1 atom of oxygen, so a total of 10 hydrogen atoms and 5 oxygen atoms.
The answer is
CH4 + 2 O2 --> CO2 + 2 H20
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Explanation:
The five common acids are sulfuric acid, hydrochloric acid, nitric acid, lactic acid, and acetic acid.
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