Question

2Mg + O2 2MgO why is this equation balanced

Answer 1

Answer:

because in it there are numbes of molecule same on both reactant and product side.

Explanation:

as magnesium has two molecules on both side, as well as oxygen has also have two molecules on both side.

Here is answer for you, hope it helps you.

Answer 2

This is an oxidation-reduction (redox) reaction:

2 Mg0 - 4 e- → 2 MgII

(oxidation)

2 O0 + 4 e- → 2 O-II

(reduction)

Mg is a reducing agent, O2 is an oxidizing agent.