Chemistry, asked by fizahana147, 19 days ago

Balance the chemical equation 1)Ca+O2->CaO. 2) Na+O2->Na2o

Answers

Answered by Suyash9192

1

Answer:

1) 2Ca+O2->2CaO

2)4Na+O2->2Na2O

Explanation:

follow plese

Answered by Anonymous

0

Explanation:

Write the balance chemical reaction:1. Na + O2→ Na2O 2. H2O2→ H2O + O2 3. Mg(OH)2 + HCl→ MgCl2 + H2O 4. Fe + O2→ Fe2O3 5. Al(OH)3→ Al2O3 + H2O ...

Balancing the reaction by trial and error method:1. 4Na + O2 → 2Na2O 2. 2H2O2 → 2H2O + O2 3. Mg(OH)2 + 2HCl → MgCl2 + 2H2O 4. 4Fe + 3O2 → 2Fe2O3 ..

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