Convert the schematic into a chemical reaction equation Zn + O2 → ZnO.

In order to transform the reaction scheme into an equation, you need to arrange the missing coefficients And for oxygen and zinc valence 2, but oxygen has 2, so we also put 2 in front of zinc, We will get 2Zn + O2 -> ZnO But we have not completely equalized C on the left side, we have 2 zinc and 2 oxygen, and on the right, only one, which means we put a factor of 2 in front of zinc oxides 2Zn + O2 = 2ZnO.



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