1. Balancing Equations 1.N 2 + H 2 → NH 3 2.KClO 3 → KCl + O 2 3.NaCl + F 2 → NaF + Cl 2 4.H 2 + O 2 → H 2 O 5.AgNO 3 + MgCl 2 → AgCl + Mg(NO 3 ) 2 3 2 2 N, 6 H 322 2K, 2 Cl, 6 O 2 2 2 Na, 2 Cl, 2 F 22 4 H, 2 O 22 2Ag, 2 NO 3, 1Mg, 2 Cl

2. 6.AlBr 3 + K 2 SO 4 → KBr + Al 2 (SO 4 ) 3 * 7.CH 4 + O 2 → CO 2 + H 2 O 8.C 3 H 8 + O 2 → CO 2 + H 2 O 9.C 8 H 18 + O 2 → CO 2 + H 2 O * 10. FeCl 3 + NaOH → Fe(OH) 3 + NaCl 11. P + O 2 → P 2 O 5 3 6 X 2 3 22 345 89 18 X 2 16 X 25 16 C, 36 H, 50 O 16C, 16x 2 = 32 + 18 = 50 O, 18x2 = 36H 33 524 2 Al, 6 Br, 6 K, 3 SO 4

3. 12. Na + H 2 O → NaOH + H 2 13. Ag 2 O → Ag + O 2 14. S 8 + O 2 → SO 3 15. CO 2 + H 2 O → C 6 H 12 O 6 + O 2 16. K + MgBr 2 → KBr + Mg 17. HCl + CaCO 3 → CaCl 2 + H 2 O + CO 2 1/2 x 2x 2x 2x 2 2221 24 8 8/2 X3 12 66 12 + 6 = 18 O 18 – 6 = 12 O needed 6 2 2 2