Chemistry 151

1. Balance the following reactions:
2. ___Cu (s) + ___AgNO3 (aq)  ___Cu(NO3)2 (aq) + ___Ag (s)
3. ___Na (s) + ___Cl2  ___NaCl (s)
4. ___Pb(NO3)2 (aq) + ___KI (aq)  ___PbI2 (s) + ___KNO3 (aq)
5. ___Fe2O3 (s) + ___Al (s)  ___Fe (l) + ___Al2O3 (s)
6. ___HNO3 (aq) + ___Ca(OH)2 (aq)  ___H2O (l) + ___Ca(NO3)2 (aq)
7. ___CH3CO2H (l) + ___O2 (g)  ___CO2 (g) + ___H2O (g)
8. Classify the reactions in question 1 in as many ways as possible.
9. Write balance reactions for the following, including physical states. 
10. Lithium sulfate + barium nitrate  barium sulfate + lithium nitrate
11. Oxygen gas + propane (C3H6)  carbon dioxide + water
12. Magnesium + hydrochloric acid  magnesium chloride + hydrogen gas
13. Ammonium carbonate  carbon dioxide + water + ammonia
14. Which compounds are soluble in water?

1. Ba(C2H3O2)2
2. CaSO4
3. NH4Cl
4. Na2CO3
5. Hg2Cl2
6. Sr(OH)2
7. FeI3
8. Pb(NO3)2
9. Cu3(PO4)2
10. CuSO4
11. CoS
12. KBr
13. Ba(NO3)2
14. NH4OH

1. Complete and balance the following double displacement reactions. Include physical states.
2. Ba(NO3)2 (aq) + CuSO4 (aq) 
3. KOH (aq) + H2SO4 (aq) 
4. NaHCO3 (aq) + LiOH (aq) 
5. AgC2H3O2 (aq) + NaBr (aq) 
6. CaCl2 (aq) + K3PO4 (aq) 
7. NaOH (aq) + K2SO3 (aq) 
8. Hydrochloric acid + sodium hydroxide 
9. Ammonium sulfide + iron(III) nitrate 

1. Write a complete net ionic equations for the reactions in question 5.