Worksheet 2B: Balancing Chemical Equations


Balance the following equations

1. $$CO_{(g)} + O_2 \rightarrow CO_{2\; (g)}$$

2. $$N_2O_{5 \;(g)} + H_2O_{(l)} \rightarrow HNO_{3 \;(aq)}$$

3. $$CH_{4 \;(g)} + Cl_{2\; (g)} \rightarrow CCl_4(l) + HCl_{(g)}$$

4. $$Al_4C_{3\; (s)} + H_2O_{(l)} \rightarrow Al(OH)_{3 \;(s)} + CH_4$$

5. $$C_5H_{10}O_{2\; (l)} + O_{2\; (g)} \rightarrow CO_{2\;(g)} + H_2O_{(g)}$$

6. $$Fe(OH)_{3 \;l (s)} + H2SO4_{(aq)} \rightarrow Fe_2(SO_4)_{3\;(aq)} + H_2O_{(l)}$$

7. $$Mg_3N_{3\; (s)} + H_2SO_{4\;(aq)} \rightarrow MgSO_{4\;(aq)} + (NH_4)_2SO_{4\; (aq)}$$

8. $$Li_{(s)} + N_{2 (g)} \rightarrow Li_3N_{(s)}$$

9. $$La_2O_{3\; (s)} + H_2O_{(l)} \rightarrow La(OH)3_{(aq)}$$

10. $$NH_4NO_{3\; (s)} \rightarrow N_{2\;(g)} + O_{2\; (g)} + H_2O_{(g)}$$

11. $$Ca_3P_{2 \;(s)} + H_2O_{(l)} \rightarrow Ca(OH)_{2\; (aq)} + PH_{3\;(g)}$$

12. $$Ca(OH)_{2\; (aq)} + H_3PO_{4\; (aq)} \rightarrow Ca_3(PO_4)_{2\; (s)} + H_2O_{(l)}$$

13. $$AgNO_{3\; (aq)} + Na_2SO_{4 \;(aq)} \rightarrow Ag_2SO_{4\; (s)} + NaNO_{3\; (aq)}$$

14. $$CH_3NH_{2\; (g)} + O_{2\; (g)} \rightarrow CO_{2\; (g)} + H_2O_{(g)} + N_{2\; (g)}$$

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