Enthalpy of reaction described for 3Mg+N2>Mg3N2?

Oxidation-Reduction Reactions. The term oxidation was originally used to describe reactions in which an element combines with oxygen. Example: The reaction between magnesium metal and oxygen to form magnesium oxide involves the oxidation of magnesium.

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A.

Explanation:

Smaller insects can walk on water due to surface tension. The force that a smaller insect makes on the water is less than the water and as such the bug will "float."

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