Chem 110 Name Exam #4 April 1, 2017 Closed Book Exam - No books or notes allowed. All work must be shown for full credit. You may use a calculator. Question Part I (40) Part II (60) Credit TOTAL Part I Please name the following compounds and indicate if they are soluble or insoluble FeCl3 Soluble Insoluble SrCO3 Soluble Insoluble N2S5 Soluble Insoluble (NH4)2S Soluble Insoluble H3PO4 (aq) Soluble Insoluble Please write the formula of the following compounds and indicate if they are soluble or insoluble Copper (I) Sulfate Soluble Insoluble Calcium Nitrate Soluble Insoluble Aluminum Hydroxide Soluble Insoluble Tricarbon tetranitride Soluble Insoluble Sulfuric Acid Soluble Insoluble
Part II 1. What is the coefficient of hydrogen gas after balancing the following equation? N 2 (g) + H 2 (g) NH 3 (g) 2. What is the coefficient of ammonia gas after balancing the following equation? N 2 (g) + H 2 (g) NH 3 (g) 3. What is the coefficient of chlorine gas after balancing the following equation? Fe(s) + Cl 2 (g) FeCl 3 (s) 4. What is the coefficient of carbon dioxide after balancing the following equation? KHCO 3 (s) K 2 CO 3 (s) + H 2 O(g) + CO 2 (g)
5. What is the coefficient of carbon dioxide after balancing the following equation? Cr 2 (CO 3 ) 3 (s) Cr 2 O 3 (s) + CO 2 (g) 6. What is the coefficient of oxygen gas after balancing the following equation? AgClO 3 (s) AgCl(s) + O 2 (g) 7. What is the coefficient of oxygen gas after balancing the following equation? LiNO 3 (s) LiNO 2 (s) + O 2 (g) 8. What is the coefficient of oxygen gas after balancing the following equation? HgO(s) Hg(s) + O 2 (g)
9. Which of the following types of chemical reactions is illustrated below? N 2 (g) + H 2 (g) NH 3 (g) 10. Which of the following types of chemical reactions is illustrated below? SO 2 (g) + O 2 (g) SO 3 (g) 11. Which of the following types of chemical reactions is illustrated below? KHCO 3 (s) K 2 CO 3 (s) + H 2 O(g) + CO 2 (g) 12. Which of the following types of chemical reactions is illustrated below? KClO 3 (s) KCl(s) + O 2 (g)
13. Which of the following types of chemical reactions is illustrated below? AlCl 3 (aq) + AgNO 3 (aq) Al(NO 3 ) 3 (aq) + AgCl(s) 14. Which of the following types of chemical reactions is illustrated below? FeBr 3 (aq) + AgNO 3 (aq) Fe(NO 3 ) 3 (aq) + AgBr(s) 15. What is the predicted product from the following combination reaction? (a) LiO (b) Li 2 O (c) LiO 2 (d) Li 2 O 3 (e) Li 3 O 2 Li(s) + O 2 (g) 16. What is the predicted product from the following combination reaction? (a) CaO (b) Ca 2 O (c) CaO 2 (d) Ca 2 O 3 (e) Ca 3 O 2 Ca(s) + O 2 (g)
17. What is the predicted product from the following combination reaction? (a) ZnI (b) ZnI 2 (c) Zn 2 I (d) Zn 2 I 3 (e) Zn 3 I 2 Zn(s) + I 2 (s) 18. What is the formula of the predicted product from heating magnesium metal and nitrogen gas? (a) MgN (b) MgN 2 (c) Mg 2 N (d) Mg 2 N 3 (e) Mg 3 N 2 19. What is the formula of the predicted product from heating potassium metal and powdered phosphorus? (a) KP (b) KP 3 (c) K 3 P (d) K 2 P 3 (e) K 3 P 2 20. What is the formula of the predicted product from heating cadmium metal and powdered sulfur? (a) CdS (b) Cd 2 S (c) CdS 2 (d) Cd 2 S 3 (e) Cd 3 S 2 21. What are the predicted products from the following decomposition reaction? LiHCO 3 (s) (a) Li, H 2, and CO 2 (b) Li, H 2 O, and CO 2 (c) Li 2 CO 3, H 2, and CO 2 (d) Li 2 CO 3, H 2 O, and CO 2 (e) Li 2 CO 3 and H 2 O
22. What are the predicted products from the following decomposition reaction? Al(HCO 3 ) 3 (s) (a) Al, H 2, and CO 2 (b) Al, H 2 O, and CO 2 (c) Al 2 (CO 3 ) 3, H 2, and CO 2 (d) Al 2 (CO 3 ) 3, H 2 O, and CO 2 (e) Al 2 (CO 3 ) 3 and H 2 O 23. What are the predicted products from the following decomposition reaction? Fe(HCO 3 ) 3 (s) (a) Fe, H 2 O, and CO 2 (b) FeCO 3, H 2, and CO 2 (c) FeCO 3, H 2 O, and CO 2 (d) Fe 2 (CO 3 ) 3, H 2 O, and CO 2 (e) Fe 2 (CO 3 ) 3, H 2, and CO 2 24. What are the predicted products from the following decomposition reaction? (a) Cu and CO 2 (b) Cu 2 O and CO (c) Cu 2 O and CO 2 (d) CuO and CO (e) CuO and CO 2 Cu 2 CO 3 (s) 254. What are the predicted products from the following decomposition reaction? (a) Fe and CO 2 (b) FeO and CO (c) FeO and CO 2 (d) Fe 2 O 3 and CO (e) Fe 2 O 3 and CO 2 Fe 2 (CO 3 ) 3 (s)
26. What are the products from the following single replacement reaction? (a) Cu and ZnSO 4 (b) Cu and ZnSO 3 (c) CuO and ZnSO 4 (d) CuO and ZnSO 3 (e) no reaction Zn(s) + CuSO 4 (aq) 274. What are the products from the following single replacement reaction? (a) Ag and Cd(NO 3 ) 2 (b) Ag and Cd(NO 2 ) 2 (c) Ag 2 O and Cd(NO 3 ) 2 (d) Ag 2 O and Cd(NO 2 ) 2 (e) no reaction Cd(s) + AgNO 3 (aq) 28. What are the products from the following single replacement reaction? (a) Pb and Al(NO 3 ) 3 (b) Pb and Al(NO 2 ) 3 (c) PbO and Al(NO 3 ) 3 (d) PbO and Al(NO 2 ) 3 (e) no reaction Al(s) + Pb(NO 3 ) 2 (aq) 29. Which of the following solid compounds is soluble in water? (a) Na 2 CO 3 (b) CuC 2 H 3 O 2 (c) AgNO 3 (d) all of the above 30. Which of the following solid compounds is soluble in water? (a) CaCO 3 (b) PbSO 4 (c) AlPO 4 (d) all of the above
31. Which of the following solid compounds is soluble in water? (a) NiCO 3 (b) PbCrO 4 (c) Ag 3 PO 4 (d) CuS (e) Ba(OH) 2 32. Which of the following solid compounds is insoluble in water? (a) PbCl 2 (b) Hg 2 I 2 (c) BaSO 4 (d) all of the above 33. Which of the following solid compounds is insoluble in water? (a) Li 2 CO 3 (b) AgC 2 H 3 O 2 (c) Cu(NO 3 ) 2 (d) all of the above 34. Which of the following solid compounds is insoluble in water? (a) (NH 4 ) 2 CO 3 (b) K 2 CrO 4 (c) BaSO 4 (d) Na 2 S (e) Sr(OH) 2 356. What are the products from the following double replacement reaction? (a) Ag 3 N and NaClO 3 (b) AgCl and NaNO 2 (c) AgCl and NaNO 3 (d) AgClO 3 and NaNO 2 (e) AgClO 3 and NaNO 3 AgNO 3 (aq) + NaCl(aq)
36. What are the products from the following double replacement reaction? (a) BaS and KClO 4 (b) BaSO 3 and KCl (c) BaSO 3 and KClO 4 (d) BaSO 4 and KCl (e) BaSO 4 and KClO 4 BaCl 2 (aq) + K 2 SO 4 (aq) 37. What are the products from the following double replacement reaction? (a) Ag 3 P and LiNO 3 (b) Ag 3 PO 3 and LiNO 2 (c) Ag 3 PO 3 and LiNO 3 (d) Ag 3 PO 4 and LiNO 2 (e) Ag 3 PO 4 and LiNO 3 AgNO 3 (aq) + Li 3 PO 4 (aq) 38. What are the predicted products from the following neutralization reaction? (a) NH 3 Cl and H 2 O (b) NH 3 Cl and O 2 (c) NH 4 Cl and H 2 O (d) NH 4 Cl and O 2 (e) no reaction HCl(aq) + NH 4 OH(aq) 39. What are the predicted products from the following neutralization reaction? HC 2 H 3 O 2 (aq) + Ca(OH) 2 (aq) (a) CaCO 3 and H 2 O (b) Ca(HCO 3 ) 2 and H 2 (c) Ca(HCO 3 ) 2 and H 2 O (d) Ca(C 2 H 3 O 2 ) 2 and H 2 (e) Ca(C 2 H 3 O 2 ) 2 and H 2 O
40. What are the predicted products from the following neutralization reaction? (a) Ba 3 N 2 and H 2 O (b) Ba(NO 2 ) 2 and H 2 (c) Ba(NO 2 ) 2 and H 2 O (d) Ba(NO 3 ) 2 and H 2 (e) Ba(NO 3 ) 2 and H 2 O HNO 3 (aq) + Ba(OH) 2 (aq) 41. What is the ionic charge for the copper ion in Cu2S? (a) zero (b) 1+ (c) 2+ (d) 3+ 42. What is the ionic charge for the lead ion in PbO2? (a) zero (b) 1+ (c) 2+ + 43. What is the ionic charge for the gold ion in AuCl3? (a) zero (b) 1+ (c) 2+ (d) 3+ 44. What is the ionic charge for the cobalt ion in Co3N2? (a) zero (b) 1+ (c) 2+ (d) 3+ 45. What is the ionic charge for the iron ion in Fe2(SO4)3? (a) zero (b) 1+ (c) 2+ (d) 3+