A. Write skeleton equations 1. Hydrogen gas reacts with bromine gas to produce gaseous hydrogen monobromide 2. Carbon Monoxide Gas reacts with oxygen gas to produce Carbon dioxide 3. Solid potassium chlorate decomposes to produce solid potassium chloride and oxygen gas B. Use the following equation to answer the questions 2NaOH + CaBr2 Ca(OH)2 + 2NaBr ? 30g 75g 60g 4. 5. 6. 7. Identify the reactants Identify the products How many moles of NaBr are produced How many grams of NaOH are used C. Identify the meaning of the symbol (aq) ∆ 8. 9. 10. 11. . D. Balance the following 12. Fe + Cl2 FeCl3 13. Pb(NO3)2 + KI PbI2 + KNO3 14. Ni + AuBr3 NiBr2 + Au 15. C12H22O11 + O2 CO2 + H2O E. Identify the type of reaction 16. 17. Ti +2Cl2 TiCl4 AgNO3 + LiI AgI + LiNO3 18. 2C2H2 + 5O2 4CO2 + 2HOH 19. Mg + Cr(NO3)3 Mg(NO3)2 + Cr 20. A + B AB + Heat F. Predict the products 21. HCl 22. NaOH + CuCl2 23. H2SO4 + NaCN 24. 25. Al + I2 Mg + Sn(NO3)4 G. Turn the following into sentences 26. K(s) + ZnNO3(aq) Zn + KNO3 (aq) 27. 3Li(s) + AuCl3 (aq) 3LiCl(aq) + Au(s) 28. Al2(CO3)3(s) Al2O3(s) + 3CO2 ANSWERS 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. H2 (g) + Br (g) HBr (g) CO (g) + O2 (g) CO2 (g) KClO3 (s) KCl (s) + O2 (g) 2NaOH + CaBr2 Ca(OH)2 + 2NaBr 2 105g Aqueous (dissolved in water) Yields or produces Heat Reversible reaction 4,3,2 1,2,1,2 3,2,3,2 1,12,12,11 synthesis Double combustion single (synthesis) exothermic H + Cl2 NaCl + Cu(OH)2 HCN + Na2SO4 AlI3 Mg(NO3)2 + Sn Finely ground nickel (II) hydroxide is placed in a beaker of water. It sinks to the bottom of the beaker and remains unchanged. An aqueous solution of hydrochloric acid is then added to the beaker, and the Ni(OH) 2 disappears. Which of the following equations best describes what occurred in the beaker? A. Ni(OH)2(s) B. Ni(OH)2(s) C. Ni(OH)2(s) D. Ni(OH)2(s) + + + + HCl(aq) NiO(aq) + H2 (g) +HCl(aq) 2H2O(l) NiCl2 (aq) + 2H2O(l) 2H2O(l) NiCl2 (aq) + 2H2O(l) 2H2O(l) NiCl2(aq) + 3H2O(l) + O2(g) Which set of coefficients would balance the following equation? Mg + AlCl3 Al + MgCl2 A. B. C. D. 2Mg + AlCl3 Al + 2MgCl2 3Mg + 2AlCl3 2Al + 3MgCl2 Mg + 2AlCl3 2Al + MgCl2 3Mg + 4AlCl3 4Al + 3MgCl2