Balance the following the chemical equation: Mg + O2 → MgO Blan...

Ok, I know how to balance chemical equations, however, I don't know how to tell if it is a S, L, aq,...

Balance the following the chemical equation: _ Mg + _ F2 → _ MgF2

Balance the following the chemical equation: _ Na2O + _ CaBr2 → _ NaBr + _ CaO

Balance the following the chemical equation: N2 + O2 → NO

Balance the following the chemical equation: - M * g +\ F 2 \ MgF 2 1:2:1, 1:1:2, 2:1:1,1:1:1

And the following balance chemical equation 4 f e + 302--> 2fe203 A. 3 B. 6 C. 9 D. 12

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