contestada

1 - 2Na + O2 âž” Na2O Balanced Not Balanced




2 - 2NaNO3 âž” 3NaNO2 + O2 Balanced Not Balanced




3 - 2Al + 3Cl2 âž” AlCl3 Balanced Not Balanced




4- 2P + 3I2 âž” 2PI3 Balanced Not Balanced





5 - 2Al + 2H3PO4 âž” 3H2 + 2AlPO4 Balanced Not Balanced





6 - H2O2 âž” 2H2O + O2 Balanced Not Balanced





7 - 2HCl + CuO → CuCl2 + H2O Balanced Not Balanced

Respuesta :

7417

Answer:

1 not

2 not

3 not

4 balanced

5 not

6 not

7 balanced

Explanation:

the amount of elements must be equal in the reactant and products

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