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Katen [24]
3 years ago
8

Any solution to the problem

Chemistry
1 answer:
Sophie [7]3 years ago
7 0

Answer:

the first one

Explanation:

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Balance these chemical equations mg(s)_ + _N2(g) = _mg3N2
Salsk061 [2.6K]

Answer:

3 Mg(s) + N_2(g) = Mg_3N_2(s)

Explanation:

The valance of magnesium atom is  +2

While the valence of nitrogen atom is - 3

Let us first write the first  half-reactions

Mg ---> Mg^{2+} + 2e^{-}

The second half reaction is

2N + 6e^-  -----> N_2

Adding the above two reactions and writing the final reaction, we get -

Mg + N2 = Mg_3N_2

The balance equation is

3 Mg(s) + N_2(g) = Mg_3N_2(s)

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