Che 1510 Practice Final Exam

OCC AH-HL Chemistry

If you have any questions or concerns about this quiz,
please contact the creator of the quiz.

To answer the questions below click on the button which represents the correct response or enter a short answer. Then click "submit" to send your answers. Exponents are represented as e and a signed value. For example, 1000 is 1e3 and 0.001 is 1e-3. Subscripts and superscripts are not available so use regular numbers instead. When you enter a numerical answer, do not enter letters (like g, grams, mole etc).

  1. Density is defined as mass per unit volume. Calculate the density in g/cm3, of a block of wood 30 inches by 18 inches by 36 inches that has a mass of 646 pounds to 2 sig figs. Remember: 2.54 cm = 1 in; 1 kilogram (kg) = 2.2 pounds (lb).

    2. Your answer:

  2. A 26.5g sample of Na2SO4*2H20 on heating loses 15.99g of water. How many moles of anhydrous Na2SO4 are present (3 sig figs)?

    3. Your answer:

  3. The oxidation number of phosphorous in PO2CI is what?

    4. Your answer:

  4. Write the name for Na2SO3; for this and similar questions use lower case letters.

    5. Your answer:

  5. Write the name for Mg(OH)2.

    6. Your answer:

  6. Write the name for H2S(aq).

    7. Your answer:

  7. Write the name for HCl(g).

    8. Your answer:

  8. Write the name for S2O5.

    9. Your answer:

  9. Write the name for Ca3(PO4)2.

    10. Your answer:

  10. Write the name for CrO2.

    11. Your answer:

  11. Write the name for NaClO.

    12. Your answer:

  12. Write the name for FeCl2.

    13. Your answer:

  13. Write the name for CaSO4*2H2O.

    14. Your answer:

  14. Write the name for KClO3.

    15. Your answer:

  15. Write the formula for calcium carbonate.

    16. Your answer:

  16. Write the formula for potassium chromate.

    17. Your answer:

  17. Write the formula for phosphoric acid.

    18. Your answer:

  18. Write the formula for ammonium chloride.

    19. Your answer:

  19. Write the formula for copper (II) oxide.

    20. Your answer:

  20. Write the formula for carbon dioxide.

    21. Your answer:

  21. Write the formula for potassium cyanide.

    22. Your answer:

  22. Write the formula for sodium nitrate.

    23. Your answer:

  23. Write the formula for liquid bromine.

    24. Your answer:

  24. Write the formula for lithium sulfate.

    25. Your answer:

  25. Balance the following equation. Then enter the correct coefficients separated by commas (for example 2,1,4,7). Cu(NO3)2(s) -> CuO(s) + NO2(g) + O2(g)

    26. Your answer:

  26. Balance the following equation. Then enter the correct coefficients separated by commas (for example 2,1,4,7). Al(s) + H2SO4(aq) -> Al2(SO4)3(aq) + H2(g)

    27. Your answer:

  27. Balance the following equation. Then enter the correct coefficients separated by commas (for example 2,1,4,7). PbO2(s) -> PbO(s) + O2(g)

    28. Your answer:

  28. Balance the following equation. Then enter the correct coefficients separated by commas (for example 2,1,4,7). FeS(s) + O2(g) -> Fe2O3(s) + SO2(g)

    29. Your answer:

  29. The net ionic equation to describe the chemical reaction occuring when aqueous sodium carbonate and aqueous calcium chloride are mixed is: Na2CO3(aq) + CaCl2(aq) -> CaCO3(s) + 2NaCl(aq). True or false?

    30. Your answer:
    TrueFalse

  30. A 1000.g sample of lead shot, at 300.°C, is dropped into 100.g of water at a temperature of 5.6°C. The specific heat of lead is 0.129 J/g° and the specific heat of water is 4.184 J/g°C. What is the final temperature of the water in °C to 3 sig figs. Assume no heat is lost to the surroundings.

    31. Your answer:

  31. 18Ar39 has 39 neutrons in its nucleus. True or false?

    32. Your answer:
    TrueFalse

  32. 28Ni59 has 28 protons in its nucleus? True or false?

    33. Your answer:
    TrueFalse

  33. The electron configuration for 24-Cr-52 is [Ar] 4s2 3d4. True or false?

    34. Your answer:
    TrueFalse

  34. The name for 37-Rb-85 is rubinium. True or false?

    35. Your answer:
    TrueFalse

  35. Draw a Lewis structure for sulfur trioxide. How many resonance forms of this molecule are there?

    36. Your answer:

  36. A mixture of 7.45 g of iron (II) oxide and 0.111 mol aluminum metal are heated in a crucible where the following reaction occurs: 3FeO(s) + 2Al(s) -> 3Fe(l) + Al2O3(s). What's the maximum amount of molten iron (in moles) that can be produced? Round your answer to 3 sig figs.

    37. Your answer:

  37. Write the Lewis structure for SiF4. This molecule has a tetrahedral shape, it is polar, and its name is silicon tetrafluoride. True or false?

    38. Your answer:
    TrueFalse

  38. Tin reacts with hydrochloric acid. How many liters of hydrogen gas are produced at 27.0°C and a pressure of 710 Torr, if 14.0 g of tin is reacted with an excess of HCl? Sn(s) + 2HCl(aq) -> SnCl2(aq) + H2(g). Round your answer to 3 sig figs.

    39. Your answer:

  39. Arrange the following materials, A, B, C, at room temperature with respective vapor pressures of 300, 200 and 80 torr, in order of decreasing boiling points, left to right.

    40. Your answer:
    B,A,C
    A,C,B
    A,B,C
    C,B,A

  40. In general, an ionic solid exhibits insulating properties while that same dissolved solid becomes an electrical conductor. True or false?

    41. Your answer:
    TrueFalse

QuizCenter © 2000 - 2002. This quiz was generated at Quiz Center on DiscoverySchool.com. All rights reserved.