Question

Page 149 QUESTIONS FOR CHEMICAL REACTONS NAME Write balanced chemical equations for each of the following reactions: 1. The decomposition of difodine pentoxide to form iodine and oxygen. 2. Silver nitrate reacting with potassium sulfate in a double replacement reaction 3. The combination of lithium and nitrogen to form lithium nitride. 4. The decomposition of potassium carbonate to form potassium oxide and carbon dioxide. 5. A single replacement reaction in which sodium metal reacts with aluminum oxide and replaces the aluminum. 6. The combustion of CH4 to form carbon dioxide and water.

Answer 1

1. 2 I₂O_5(s)$\rightarrow$ 2 I_2(l) + 5 O_2(g)

2. 2 AgNO_3(aq) + K₂SO_4(aq)$\rightarrow$ Ag₂SO_4(aq) + 2 KNO_3(aq)

3. 6 Li_(s) + N_2(g)$\rightarrow$ 2 Li₃N_(s)

4. K₂CO_3(s)$\rightarrow$ K₂O_(s) + CO_2(g)

5. 6 Na_(s) + Al₂O_3(s)$\rightarrow$ 3 Na₂O_(s) + 2 Al_(s)

6. 2 C₇H_14(l) + 21 O_2(g)$\rightarrow$ 14 CO₂ + 14 H₂O