Chemistry I Review Worksheet 1 Chemical Names & Formulas Name solution key Write the correct chemical name or formula for each of the compounds below. A. Non-metal/Non-metal 1. PCl5 phosphorous pentachloride 2. SO2 sulfur dioxide 3. P4S8 tetraphosphorous octasulfide 4. dinitrogen tetroxide N2O4 5. diphosphorus pentoxide P2O5 B. Metal/Non-metal 6. Li3N - notice no reducing lithium nitride 7. Mg3P2 magnesium phosphide 8. potassium sulfide K2S 9. aluminum bromide AlBr3 10. magnesium oxide MgO - notice reducing C. Transition Metal/Non-metal 11. Fe2O3 iron (III) oxide 12. CuCl2 copper(II) chloride 13. PbO lead(II) oxide 14. iron (III) bromide FeBr3 15. tin (IV) oxide SnO2 D. Polyatomic Ions 16. KOH - notice reducing potassium hydroxide 17. Hg2CO3 mercury carbonate 18. lead (II) phosphate Pb3(PO4)2 19. magnesium nitrate Mg(NO3)2 20. lithium sulfate Li2SO4 Chemistry I E. Acids 21. H3PO4(aq) ___phosphoric acid (not phosphic acid) 22. H2S(aq) ___hydrosulfuric acid______ 23. hydronitric acid ___H3N(aq)_______________ 24. sulphuric acid ___H2SO4(aq)_____________ F. Combination of Compounds 25. HNO3(aq) nitric acid 26. SiCl4 silicon tetrachloride 27. N2O5 dinitrogen tetroxide 28. CoCl2 cobalt (II) chloride 29. CO2 carbon dioxide 30. CuI2 copper (II) iodide 31. Be(OH)2 beryllium hydoxide 32. Sn(NO3)2 tin(II) nitrate 33. P2F3 diphosphorous trifluoride 34. Mg3(PO4)2 magnesium phosphate 35. diphosphorus heptoxide P2O7 36. chromium (II) bromide CrBr2 37. calcium nitrate Ca(NO3)2 38. nickel (II) oxide NiO - notice reducing 39. aluminum phosphate AlPO4 - notice reducing 40. lithium sulfide Li2S 41. nitrogen pentafluoride NF5 42. aluminum hydroxide Al(OH)3 or Al(OH)3 (aq) 43. hydrochloric acid HCl (aq) 44. lead (IV) sulfate Pb(SO4)2 - notice reducing Chemistry I Review Worksheet 2 Reviewing Chemical Names & Formulas A. Non-metal/Non-metal 1. CO2 Name solution key carbon dioxide 2. N2O4 dinitrogen tetroxide 3. SF6 sulphur hexafluoride 4. tetraphosphorous nonoxide P4O9 5. phosphorous tribromide PBr3 B. Metal/Non-metal 6. MgI2 magnesium iodide 7. Na2S sodium sulfide 8. sodium phosphide Na3P 9. aluminum oxide Al2O3 10. barium chloride BaCl2 C. Transition Metal/Non-metal 11. PbO lead(II) oxide 12. FeBr3 iron(III) bromide 13. SnO2 tin(IV) oxide - notice reducing 14. iron (III) oxide Fe2O3 15. nickel (II) sulfide NiS D. Polyatomic Ions 16. Na2CO3 sodium carbonate 17. Cu3PO4 copper(I) phosphate 18. calcium phosphate Ca3(PO4)2 19. barium nitrate Ba(NO3)2 20. cobalt (II) sulfate CoSO4 - notice reducing Chemistry I E. Acids 21. HClO3(aq) _______chloric acid_________________ 22. H3N(aq) ________ hydronitric acid ____________ 23. phosphoric acid _________H3PO4 (aq)__________________ 24. hydrophosphoric acid this does not exist! (phosphene is H3P) F. Combination of Compounds 25. Pb3(PO4)2 lead (II) phosphate 26. N3F7 trinitrogen heptafluoride 27. P2O5 diphosphorous pentoxide 28. CuCl2 copper (II) chloride 29. Cu(ClO3)2 copper (II) chlorate 30. BaF2 barium fluoride 31. Mg(OH)2 magnesium hydroxide 32. H2SO4(aq) sulfuric acid 33. CCl4 carbon tetrachloride 34. Mg3N2 magnesium nitride 35. dichlorine heptoxide Cl2O7 36. tin (IV) oxide SnO2 - notice reducing 37. calcium carbonate CaCO3 (aq) 38. nickel (II) sulfate NiSO4 39. aluminum nitride AlN 40. lithium oxide Li2O 41. phosphorous pentabromide PBr5 42. tin (II) hydroxide Sn(OH)2 (aq) 43. hydrosulfuric acid H2SO4 (aq) 44. potassium phosphate K2SO4 Chemistry I Name Review Worksheet 3 Chemical Reaction Types solution key Identify each chemical reaction as a synthesis, decomposition, single-replacement, doublereplacement, or combustion reaction. 1. 2SO2 + O2 2SO3 synthesis 2. Al2(SO4)3 + 3Ca(OH)2 2Al(OH)3 + 3CaSO4 double-displacement (replacement) 3. 2C2H2 + 5O2 4CO2 + 2H2O complete combustion 4. Mg + 2AgNO3 Mg(NO3)2 + 2Ag single-displacement (replacement) 5. 3Ba(NO3)2 + 2H3PO4 Ba3(PO4)2 + 6HNO3 double-displacement (replacement) 6. Mg(ClO3)2 MgCl2 + 3O2 decomposition 7. 2Be + O2 2BeO synthesis 8. 2Al + 3CuSO4 Al2(SO4)3 + 3Cu single-displacement (replacement) 9. 2PbO2 2PbO + O2 decomposition 10. 2C2H6 + 7O2 4CO2 + 6H2O complete combustion Complete the SKELETAL (i.e. not balanced) chemical equations for the following SYNTHESIS (COMBINATION) reactions. 11. Mg + O2 MgO 12. Ca + S CaS 13. Na + O2 NaO2 14. Na + Cl2 NaCl 15. Al + O2 Al2O3 Complete the SKELETAL (i.e. not balanced) chemical equations for the following DECOMPOSITION reactions. 16. CaO Ca + O2 17. Ca3N2 Ca + N2 18. MgCl2 Mg + Cl2 - recall H O F Br I N Cl - diatomic elements Complete the SKELETAL (i.e. not balanced) chemical equations for the following SINGLE DIPSLACEMENT reactions. 19. Zn + AgNO3 Ag + Zn(NO3)2 20. Ca + H3PO4(aq) H2 + Ca3(PO4)2 21. Al + H2SO4 H2 + Al2(SO4)3 22. Mg + LiNO3 Li + Mg(NO3)2 23. Al + CuSO4 Cu + Al2(SO4)3 Chemistry I Complete the SKELETAL (i.e. not balanced) chemical equations for the following DOUBLE-DISPLACEMENT reactions. 24. Ag2SO4 + AlCl3 Al2(SO4)3 + AgCl 25. CdBr2 + Na2S NaBr + CdS 26. Pb(NO3)2 + NaI NaNO3 + PbI2 27. NaOH + Fe(NO3)3 Fe(OH)3 + NaNO3 -- notice iron (III) used in reactant & product 28. NaNO3 + -- notice lead (II) used in reactant & product BaCl2 NaCl + Ba(NO3)2 Chemistry I Review Worksheet #4 Write the type of reaction on the line. Then, predict the products of each reaction to complete the chemical equation. Write the correct formulas of the products after the arrow. 1. Ag2O Ag + O2 decomposition 2. C4H8 + O2 CO2 + H2O complete combustion (pos. incomp.) 3. Al + N2 AlN synthesis 4. Zn + CuSO4 Cu + ZnSO4 single displacement 5. H2SO4(aq) + NaOH Na2SO4 + H2O neutralization (double displacement) 6. Li + O2 synthesis 7. Al2(SO4)3 + Ba(OH)2 Al(OH)3 + BaSO4 double displacement 8. Cu + CaCO3 Ca + CuCO3 single displacement 9. C3H6 + O2 C + CO + H2O + CO2 incomplete combustion (pos. comp.) 10. Na3PO4 + Pb(NO3)2 NaNO3 + Pb3(PO4)2 double displacement -- notice lead (II) Li2O Write the chemical equation for the following reactions. Remember the diatomics. Use appropriate state symbols . 11. Solid silver carbonate decomposes into solid silver oxide and gaseous carbon dioxide when heated. 12. Bubbling chlorine gas through a solution of potassium iodide gives solid iodine and a solution of potassium chloride. 13. Iodine crystals react with chlorine gas to form solid iodine trichloride. Chemistry I Write the BALANCED chemical equation for the complete COMBUSTION of the following hydrocarbons. 29. octane (C8H18) : 30. glucose (C6H12O6) : C8H18 + C6H12O6 + + + Complete the WORD EQUATION and write the BALANCED chemical equation for the following neutralization reactions.. 31. hydronitric acid + calcium hydroxide 32. phosphoric acid + copper(II) hydroxide 33. chloric acid + magnesium hydroxide 34. Why are these “neutralization” reactions? 35. If you have an acid of pH 4 and you add a base to it, what will happen to the pH of the acid? Chemistry I Name Review Worksheet 5 Balancing Equations Use COEFFECIENTS to balance the following chemical equations. If the equation is already balanced, state that next to the equation. 1. SO2 + O2 SO3 2. Fe2O3 + H2 Fe 3. P O2 P4O10 4. PbO2 PbO + O2 5. Pb(NO3)2 + 6. Cl2 + 7. + H2O K2CrO4 PbCrO4 KI KCl + I2 C3H6 + O2 CO2 + H2O 8. Al(OH)3 Al2O3 + 9. Li + O2 10. HCl + Fe2O3 11. MgCO3 MgO + CO2 12. Ba(CN)2 + H2SO4 BaSO4 + 13. NaCl + H2SO4 Na2SO4 + HCl 14. Al CuSO4 Al2(SO4)3 + Cu 15. C2H6 + O2 CO2 + H2O 16. P + O2 P2O5 17. Fe + O2 Fe3O2 18. H2 + Fe3O4 Fe + H2O 19. (NH4)2CO3 NH3 + H2O + 20. N2O3 + H2O HNO2 + + H2O Li2O FeCl3 + H2O HCN CO2 + KNO3 Chemistry I Complete and balance an equation for each reaction. + LiOH 22. Al + Cl2 23. Ag + HCl 24. C2H2 + O2 25. Mg AgCl 26. H2O2 27. Mg 28. MgCl2 + Ca(OH)2 29. C3H8O3 + O2 30. Al N2 + + Ba(NO3)2 21. N2 + Balance the equation. 31. Pb(NO3)2 32. Na3PO4 + H2SO4 PbSO4 + HNO3 + FeCl3 NaCl + FePO4 33. (NH4)2S + Co(NO3)2 CoS + NH4NO3
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