University:
Winston-Salem Forsyth County Schools
Course:
AP Chemistry
Academic year:

2014
Views:

147

Pages:

2
Author:

leatherfaceg5v

Balancing Practice 1. 2H2 + O2 → 2H2O Predicting Reactions Unit Homework Assignments 2. S8 +12O2 → 8SO3 3. Zn + 2HCl → ZnCl2 + H2 4. 2Na + 2H2O → 2NaOH + H2 5. Cl0H16 + 8Cl2 → 10C + 16HCl 6. 4Si2H3 + 11O2 → 8SiO2 +6H2O or 2Si2H3 + 11/2 O2 → 4SiO2 +3H2O 7. 2C7H6O2 + 15O2 → 14CO2 + 6H2O or C7H6O2 + 15/2 O2 → 7CO2 + 3H2O 8. 4FeS2 + 11O2 → 2Fe2O3 + 8SO2 or 2FeS2 + 11/2 O2 → Fe2O3 + 4SO2 9. Fe2O3 + 3H2 → 2Fe + 3H2O 10. 2C2H2 + 5 O2 → 4CO2 + 2H2O or C2H2 + 5/2 O2 → 2CO2 + H2O 11. 2H2O2 → 2H2O + O2 or H2O2 → H2O + ½ O2 12. C7H16 +11O2 → 7CO2 + 8H2O 13. SiO2 + 4HF → SiF4 + 2H2O 14. 2KClO3 → 2KCl + 3O2 or 15. 4KClO3 → 3KClO4 + KCl 16. Fe2O3 + 3CO → 2Fe + 3CO2 17. PCl5 + 4H2O → 5HCl + H3PO4 18. 8H2S + 8Cl2 → S8 + 16HCl 19. 6CO2 + 6H2O → C6H12O6 + 6O2 20. SiCl4 + 4H2O → H4SiO4 + 4HCl 21. 2Al(OH)3 + 3H2SO4 → Al2(SO4)3 + 6H2O 22. H2SO4 + 6HI → H2S + 3I2 + 4H2O 23. 2Al +3FeO → Al2O3 + 3Fe 24. Na2CO3 + 2HCl → 2NaCl + H2O + CO2 25. 4Al + 3O2 → 2Al2O3 26. 2Na2O2 + 2H2O → 4NaOH + O2 27. C + H2O → CO + H2 28. 2Ca3(PO4)2 + 6SiO2 → P4O10 + 6CaSiO3 29. 2Al + 6HCl → 2AlCl3 + 3H2 or Al + 3HCl → AlCl3 + 3/2 H2 30. 6H3BO3 → H4B6O11 + 7H2O KClO3 → KCl + 3/2 O2 Single Replacement Practice #1 Predict the products of the following reactions and balance the equation. If there is no reaction, write NR and explain why. 1. Zn(s) + 2AgNO3(aq) Zn(NO3)2(aq) + 2Ag(s) 2. Mg(s) + CuSO4(aq)  MgSO4(aq) + Cu(s) 3. Cu(s) + HCl(aq)  NR – Cu does not replace H in acids 4. Ca(s) + 2H2O(ℓ)  Ca(OH)2(s) + H2(g) Single Replacement Practice #2 Predict the products of the following reactions and balance the equation. If there is no reaction, write NR and explain why 1. 2Al(s) + 6HCl(aq)  2AlCl3(aq)+ 3H2 2. Fe(s) + ZnCl2(aq)  NR – Zn is above Fe in the reactivity series 3. Cl2(g) + 2KBr(aq)  2KCl(aq) + Br2(ℓ) 4. Br2(ℓ) + NaF2(aq)  NR – F2 is above Br2 in the reactivity series Predicting Products Practice #1 Predict the products of the following reactions. Balance the reaction and include appropriate symbols. If no reaction occurs write NR and explain why. 1. Mg(s) + Cl2(g)  MgCl2(s) 2. H2O(ℓ)  H2(g) + ½ O2(g) 3. 3Mg(s) + 2CrCl3(aq)  3MgCl2(aq) + 2Cr(s) 4. CaCl2(aq) + 2NaOH(aq)  2 NaCl(aq) + Ca(OH)2(s) 5. C3H8(g) + 5O2(g)  3CO2(g) + 4H2O(ℓ) Predicting Products Practice #2 Predict the products of the following reactions. Balance the reaction and include appropriate symbols. If no reaction occurs write NR and explain why. 1. 8H2(g) + S8(s)  8H2S(g) ∆ 2. 2NaClO3(s) → 2NaCl(s) + 3O2(g) 3. Br2(ℓ) + KF(aq)  NR – F2 is above Br2 in the reactivity series 4. K3PO4(aq) + NH4Cl(aq)  NR – both products would be soluble 5. 2C6H14(ℓ) + 19O2(g)  12CO2(g) +14H2O(ℓ) Net Ionic Equations Practice Write the balanced net ionic equations for these reactions. 1. S2-(aq) + Co2+ (aq)  CoS(s) 2. Pb2+(aq) + 2Cl-(aq)  PbCl2(s) 3. Ba2+ (aq)+ SO42- (aq)BaSO4(s) 4. 3Cl-(aq) + 3Ag+(aq)  3AgCl(s) (can also reduce to Cl-(aq) + Ag+(aq)  AgCl(s)) 5. 3Cu2+(aq) + 2PO43-(aq)  Cu3(PO4)2 (s)