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Anestetic [448]
2 years ago
8

In the system model, the direction of the arrow tells you that

Chemistry
2 answers:
nadya68 [22]2 years ago
6 0
Answer: option b




Step by step Explanation:
AlladinOne [14]2 years ago
4 0

Answer: Answer b

Explanation:

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2 years ago
The chemical equation is Mg(s) + O2(g) → MgO(s)
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