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Which equations are balanced? Check all that apply.

Mg3N2 + H2O → 3MgO + 2NH3

C3H8 + 5O2 → 4H2O + 3CO2

Zn + 2HCl → ZnCl2 + H2

3Ca(OH)2 + 2H3PO4 → Ca3(PO4)2 + 6H2O

3H2SO4 + 2Fe → Fe2(SO4)3 + H2

4Al + 3O2 → 2Al2O3

Respuesta :

malucia
it is Zn+2HCl....ZnCl2+H2.
3Ca(OH)2+2H3PO4 ....Ca3(PO4)2+6H2O
pieroraue

Answer:

The equations that are balanced are:

- C3H8 + 5O2 → 4H2O + 3CO2

- Zn + 2HCl → ZnCl2 + H2

- 3Ca(OH)2 + 2H3PO4 → Ca3(PO4)2 + 6H2O

- 4Al + 3O2 → 2Al2O3

Explanation:

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