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Unit 3 Quiz 1

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					                                       Unit 3 Quiz 1
For each of the following indicate the type of reaction that is taking place using the
options below:
           a. Synthesis                                       ab. Double Replacement
           b. Exothermic                                      ac. Combustion
           c. Decomposition                                   ad. Skeleton
           d. Single Replacement                              ae. Balanced
           e. Endothermic                                     bc. Organic
    1. H2 + O2 ---> H2O
    2. How would you balance this equation?
        a. 1, ½, 1                                            ab. 1, 2, 1
        b. 2, 1, 1                                            ac. 1, 6, 4
        c. 4, 2, 4                                            ad. 2, 2, 1
        d. 2, 1, 2                                            ae. 6, 3, 6
        e. 3, 1, 3                                            bc. This reaction will not occur
    3. C7H6O2 + O2 ---> CO2 + H2O
    4. How would you balance this equation?
        a. 1, 14, 13, 5                                       ab. 2, 15, 14, 6
        b. 1, 11, 7, 8                                        ac. 1, 8, 8, 4
        c. 4, 30, 28, 12                                      ad. 3, 4, 1, 4
        d. 1, 7.5, 7, 3                                       ae. 3, 45, 42, 18
        e. 1, 6, 7, 3                                         bc. This reaction will not occur
    5. KClO3 ---> KCl + O2
    6. How would you balance this equation?
        a. 1, 1, 2                                            ab. 1, 6, 4
        b. 2, 1, 3                                            ac. 8, 8, 4
        c. 2, 2, 3                                            ad. 4, 1, 4
        d. 1, 1, 1.5                                          ae. 3, 3, 4
        e. 4, 4, 6                                            bc. This reaction will not occur
    7. P4O10 + H2O ---> H3PO4
    8. How would you balance this equation?
        a. 1, 3, 2                                            ab. 1, 6, 4
        b. 2, 1, 3                                            ac. 3, 18, 12
        c. 3, 2, 1                                            ad. 4, 1, 4
        d. 1.5, 3, 2                                          ae. 3, 1, 4
        e. 2, 12, 2                                           bc. This reaction will not occur
    9. Na + H2O ---> NaOH + H2
    10. How would you balance this equation?
        a. 1, 1, 2, 2                                         ab. 1, 2, 1, 2
        b. 2, 1, 3, 2                                         ac. 8, 8, 4, 2
        c. 2, 2, 2, 1                                         ad. 2, 2, 4, 1
        d. 1, 1, 1, 2                                         ae. 3, 2, 4, 1
        e. 4, 4, 4, 2                                         bc. This reaction will not occur
             Find the balanced equation for the following reactions. The activity series table in on page 3.
11. Mg(s) + LiNO3(aq)
      a. Mg(s) + LiNO3(aq) → Li(s) + MgNO3(aq)                    ab. Mg(s) + 2LiNO3(aq) → 2Li(s) + Mg(NO3)2(aq)
      b. Mg(s) + LiNO3(aq) → Li(s) + Mg(NO3)2(aq)                 ac. Mg(s) + LiNO3(aq) → Li(s) + Mg(NO3)2(aq)
      c. Mg(s) + LiNO3(aq) → Li2(s) + Mg(NO3)2(aq)                ad. Mg(s) + 2LiNO3(aq) → Li2(s) + Mg(NO3)2(aq)
      d. 2Mg(s) + LiNO3(aq) → Li(s) + Mg2NO3(aq)                  ae. Mg(s) + LiNO3(aq) → Li(s) + Mg2NO3(aq)
      e. Mg(s) + LiNO3(aq) → N.R.

12. Al + H2SO4
       a. Al +H2SO4 → Al2(SO4)3 + H2                        ab.   Al +H2SO4 → AlS + H2O
       b. Al2 +3H2SO4 → Al2(SO4)3 + 3H2                     ac.   2Al +3H2SO4 → Al2S3 + 3H2O
       c. 2Al +3H2SO4 → Al2(SO4)3 + 3H2                     ad.   3Al +2H2SO4 → Al3(SO4)2 + 2H2
       d. Al +H2SO4 → N.R.                                  ae.   Al +H2SO4 → Al(SO4) + H2
       e. Al +H2SO4 → Al3(SO4)2 + H2

13. HBr
      a.    HBr → H + Br                                    ab.   2HBr → 2H + 2Br
      b.    HBr → H2 + Br2                                  ac.   HBr → HBr2 + H2O
      c.    2HBr → H2 + 2Br                                 ad.   HBr → N.R.
      d.    2HBr → H2 + Br2                                 ae.   HBr → H2Br2
      e.    2HBr → 2H + Br2

14. NaCl
       a.   NaCl → Na + Cl                                  ab.   2NaCl → Na + Cl2
       b.   NaCl → Na2 + Cl2                                ac.   2NaCl → 2Na + Cl2
       c.   2NaCl → Na2 + Cl2                               ad.   NaCl → Na + Cl2
       d.   2NaCl → Na2 + 2Cl                               ae.   NaCl→ N.R.
       e.   NaCl → Na2 + Cl

15. Combustion of Glucose (s); C6H12O6
      a. C6H12O6 → C + H2 + O2                              ab.   C6H12O6 + O2 → 6CO2 + 6H2O
      b. C6H12O6 → 6C + 6H2 + 3O2                           ac.   C6H12O6 → C + H2O2
      c. C6H12O6 → CO2 + H2O                                ad.   C6H12O6 → 6C + H2O2
      d. 2C6H12O6 → 12CO2 + 6H2O                            ae.   C6H12O6→ N.R.
      e. C6H12O6 + O2 → CO2 + H2O

16. Cumbustion of Octane (l); C8H18
      a. C8H18 → C + H2                                     ab. 2C8H18 + 25O2 → 16CO2 + 18H2O
      b. C8H18 → 8C + 9H2                                   ac. C8H18 + 12.5O2 → 8CO2 + 9H2O
      c. C8H18 → 4C2 + 9H2                                  ad. C8H18 + H2O → CO2 + O2
      d. C8H18 + O2 → CO2 + H2O                             ae. C8H18→ N.R.
      e. C8H18 + O2 → 8CO2 + 9H2O
Predict the product for the following Reactants
17. Combustion of Butene (g); C4H8
       a. CO2 + H2O
       b. C + O + H
       c. C + O2 + H2
       d. N.R.
       e. C + H2

18. Fe2++ O2
       a. FeO
       b. Fe2O
       c. FeO2
       d. Fe3O2
       e. Fe2O2

19. Ag2O
       a.   Ag + O
       b.   Ag + O2
       c.   Ag2 + O
       d.   Ag2 + O2
       e.   N.R.

20. Li + H2O (single replacement)
        a. LiOH + H2
        b. LiOH + H
        c. N.R.
        d. LiH + H2O
        e. LiOH + H2O

				
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