Balancing Reactions 2

In each of the following, add coefficients and state the reaction type.

1.         Cu + O₂ ---> CuO

2.          Ca(OH)₂ + HCl ---> CaCl₂ + HOH

3.          C₂H₄ + O₂ ---> CO₂ + H₂O

4.          H₃PO₄ + NaOH ---> Na₃PO₄ + HOH

5.          Cr₂O₃ ---> Cr + O₂

6.          H₂ + FeO₃ ---> Fe + H₂O

7.          Cl₂ + NaBr ---> Br₂ + NaCl

8.         CaC₂ + O₂ ---> Ca + CO₂

9.          V₂O₅ + Ca ---> CaO + V

10.        NO₂ + H₂O ---> HNO₃ + NO

11.        NaCl + H₂O ---> NaOH + H₂ + Cl₂

12.        NO₂ + O₂ ---> NO₃

13.        NH₄OH + CO₂ ---> (NH₄)₂CO₃ + H₂O

14.        Fe₂O₃ + CO ---> Fe + CO₂

15.        Sb + Cl₂ ---> SbCl₃

16.        HBr + Cl₂ ---> HCl + Br₂

17.        Na₂CO₃ + Ca(OH)₂ ---> NaOH + CaCO₃

18.        CaCO₃ ---> CaO + CO₂

19.        H₂S₂O₇ + H₂O ---> H₂SO₄