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13-12-2019
Physics

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Magnesium is a highly flammable element which is easily combustible in the presence of oxygen:

2Mg + O2 --> ?? + heat

How many atoms would you expect to find on the product side of this equation?

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28-02-2020

Answer:

4

Explanation:

4 atoms would be produced, since the reactants are 2 atoms of magnesium and 1 molecule of diatomic oxygen (which contains 2 atoms). Due to the law of conservation of matter, the total number of atoms can not increase or decrease in a chemical reaction.

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