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Balance the following equations: (a) N2 + H2 → NH3

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Balance the following equations:

(a) N2 + H2 → NH3

(b) H2 + O2 → H2O

(c) Na2O + H2O → NaOH

(d) CO + O2 → CO2

(e) Zn + HCl → ZnCl2 + H2

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(a) N2 + 3H2 → 2NH3

(b) 2H2 + O2 → 2H2O

(c) Na2O + H2O → 2NaOH

(d) 2CO + O2 → 2CO2

(e) Zn + 2HCl → ZnCl2 + H2

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