Question

Balance the following Equation Show your work.

1.____CaO + ____H2O → ____Ca(OH)2

2. ___HgO → ___Hg + ____O2

3. ___KI + ___Pb(NO3)2 → ____PbI2 + ___KNO3

4. ___Al + ___Cl2 → ___AlCl3

5. ___KBr + ___Cl2 → ___KCl + ____Br2

6. __Mg3(PO4)2 + __NaOH → __Na3PO4 + __Mg(OH)2

7. ___H2O → ___H2 + ___O2

8. ___CH4 + __O2 → __CO2 + __H2O


9. ___C2H6 + ___O2 → ___CO2 + ___H2O

10. ___H2 + ___N2 → ___NH3

Answer 1

1) alr balanced

2) 2 2 1

3) 2 1 1 2

4) 2 3 2

5) 2 1 2 1

6) 1 6 2 3

7) 2 2 1

8) 1 2 1 2

9) 2 5 4 6

10) 3 1 2