Module Five Sample Exam
Module
Five-Part E Basic Stoichiometry
Definitions 4 points
Write the
definitions to the following words:
mole
reactants
products
catalyst
precipitate
Fill in the
following with the symbols used in chemical equations which has the stated
translation or meaning(s):
_________1.
Produces, yields
_________ or _________ 2. Solid substance or precipitate forms
_________ or _________3.
Gaseous substance formed
_________4.
Water or aqueous solution
Show the symbol for
heat:__________
How would you show
a catalyst in a chemical reaction where A plus B forms products D and E,
but is catalyzed by substance C:
Module
Five-Part F Balancing Chemical Equations 5
points
Balance the
following chemical equations (write the chemical formulas in #10 then balance):
1. Fe
+ FeCl3 à FeCl2
2. Al +
O2 à Al2O3
3. Na2CO3 +
C + N2 à NaCN +
CO
4. FeS +
O2 à Fe2O3 +
SO2
5. IBr +
NH3 à NI3 + NH4Br
6. Cl2 +
HOH à HCl +
HClO
7. AgNO3 à AgNO2 +
O2
8. HClO4 +
P4O10 à H3PO4 +
Cl2O7
9. HCl + Mg(OH)2 à MgCl2 +
HOH
10.
Sodium hydroxide + Hydrochloric
acid à sodium chloride +
water