Download unit 4 review sheet

CHEMISTRY CP
NAME: __________________________ PER: ___
UNIT 4 QUIZ: REVIEW SHEET
1. Be able to identify the five types of chemical reactions. For the following examples, identify the
type of each of the following reactions:
a. 2 Na + Cl2  2 NaCl
b. Zn + 2HCl  ZnCl2 + H2
c. PbO2  Pb + O2
d. 2 H3PO4 + 3 Ca(OH)2  Ca3(PO4)2 + H2O
e. CH4 + 2 O2  CO2 + 2H2O
2. Be able to balance chemical equations. For the following equations, balance the following
chemical reactions and then answer the questions.
a. C3H8 + O2  CO2 + H2O
b. Al + HCl  AlCl3 + H2
c. Mg(GaO2)2 + HCl  GaCl3 + MgCl2 + H2O
d. CoCl3 + Mg(OH)2  Co2O3 + HCl + MgCl2
e. FeS + O2  Fe2O3 + SO2
f.
When “a” is correctly balanced using the smallest whole number coefficients, what is
the sum of these coefficients?
g. When “c” is correctly balanced using the smallest whole number coefficients, what is
the coefficient for HCl?
h. When “d” is correctly balanced using the smallest whole number coefficients, what is
the sum of these coefficients?
i. When “e” is correctly balanced using the smallest whole number coefficients, what is
the coefficient for O2?
3. Know the formulas and names for the simplest hydrocarbon compounds containing 1 to 8
carbons.
4. Be able to identify the correct formulas and symbols for the compounds and elements
involved in a chemical reaction and then balance the reaction.
a. iron + oxygen  iron (II) oxide
b. aluminum + lead (II) oxide  aluminum oxide + lead
5. Predict the products of the following combustion reaction: butane + oxygen  ???
6. If given the Activity Series, be able to determine if a single replacement reaction will take
place and predict the products. For the following, if a reaction will take place, write the
equation and balance it. If the reaction will not occur, write N.R. for no reaction.
a. Copper metal plus zinc nitrate
b. Magnesium metal plus lead (II) nitrate
7. Using a solubility table, be able to determine if a double replacement reaction will take place
and predict the products. For the following, if a reaction will take place, write the equation
and balance it. If the reaction will not occur, write N.R. for no reaction.
a. ZnSO4 + Li2CO3 
b. NaNO3 + LiCl 