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Comprehensive Review of Chemical Compounds and Reactions

This review covers essential topics in chemistry, focusing on the identification, naming, and reactions of various chemical compounds. It includes questions on common compounds such as sodium chloride (NaCl), strontium hydroxide (Sr(OH)2), and lead(II) oxide (PbO), along with their respective answers. The review also addresses types of chemical reactions, including synthesis and double replacement, coefficients for balancing equations, and mole conversions involving gases and molecules. This material is designed for students preparing for exams in chemistry.

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Comprehensive Review of Chemical Compounds and Reactions

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  1. 9 week exam Review

  2. Question 1 - 10 • The name of this compound is sodium chloride.

  3. Answer 1 – 10 What is NaCl?

  4. Question 1 - 20 • Name of this compound is Strontium hydroxide

  5. Answer 1 – 20 What is Sr(OH)2?

  6. Question 1 - 30 The formula for this compound is PbO.

  7. Answer 1 – 30 Lead (II) oxide

  8. Question 1 - 40 The formula for this compound is Sn(SO4)2

  9. Answer 1 – 40 Tin (IV) sulfate

  10. Question 1 - 50 The name of this compound is nitric acid.

  11. Answer 1 – 50 • HNO3

  12. Question 2 - 10 This is another word for covalent compounds.

  13. Answer 2 – 10 What is molecular?

  14. Question 2 - 20 The prefix for four when naming covalent compounds.

  15. Answer 2 – 20 What is tetra?

  16. Question 2 - 30 • The name of this compound is diphosphorus trioxide.

  17. Answer 2 – 30 P2O3

  18. Question 2 - 40 The formula for this compound is Si6Cl

  19. Answer 2 – 40 Hexasiliconmonochloride

  20. Question 2 - 50 The formula is B7O9

  21. Answer 2 – 50 Heptaboronnonaoxide

  22. Question 3 - 10 • What type of reaction is shown: A + B  AB

  23. Answer 3 – 10 • synthesis

  24. Question 3 - 20 What type of reaction is shown: NaOH + HI  NaI + H2O

  25. Answer 3 – 20 Double replacement/displacement or acid-base

  26. Question 3 - 30 What would be products be: Ag + MgCl2

  27. Answer 3 – 30 Silver chloride and magnesium (AgCl and Mg)

  28. Question 3 - 40 Finish this combustion  CH4 +

  29. Answer 3 – 40 CH4 + O2 CO2 + H2O

  30. Question 3 - 50 • Predict the products: Ca(OH)2 + Al2S3

  31. Answer 3 – 50 Calcium sulfide and aluminum hydroxide CaS + Al(OH)3

  32. Question 4 - 10 These are the numbers that can be used to balance equations.

  33. Answer 4 – 10 • What is a coefficient?

  34. Question 4 - 20 What are the coefficients needed to balance the following equation? Ca + N2 Ca3N2

  35. Answer 4 – 20 3,1,1

  36. Question 4 - 30 Balance the following: Ca(NO3)2 + Fe  Fe(NO3)3 + Ca

  37. Answer 4 – 30 • 3,2,2,3

  38. Question 4 - 40 What are the coefficients when the following equation is balanced? Ga(CN)3 + Sn(BrO3)4 Sn(CN)4 + Ga(BrO3)3

  39. Answer 4 – 40 4,3,3,4

  40. Question 4 - 50 • Balance this equation: C3H6 + O2 CO2 + H2O

  41. Answer 4 – 50 2, 9, 6, 6

  42. Question 5 - 10 1 mole of helium atoms is equivalent to….

  43. Answer 5 – 10 6.02 X 1023helium atoms

  44. Question 5 - 20 • What is the mass of 2.3 mol of oxygen molecules?

  45. Answer 5 – 20 73.6 g O2

  46. Question 5 - 30 How many molecules of CO2 are equivalent to 9.1 mol CO2?

  47. Answer 5 – 30 5.48 x 1024 molecules CO2

  48. Question 5 - 40 How many atoms of oxygen are in 2 molecules of H2SO4?

  49. Answer 5 – 40 8 atoms

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