CHM 1025C Module 5i Part E1 Sample test
Module 5i E1: Classification of Chemical Reactions Sample 10 Points
(Sections 7.4)
Classify Each of the
following (unbalanced) chemical reactions as:
______1. Fe
+ FeCl3 ---> FeCl2
____2. HCl +
Mg(OH)2 ---> MgCl2
+ HOH
_____3. Mg +
HNO3 ---> Mg(NO3)2 +
H2
_____4. H2 +
N2 ---> NH3
____5.
NaHCO3 + HCl ---> NaCl + CO2 + H2O
____6.
Ca(NO3)2 + K3PO4 ---> Ca3(PO4)2 + KNO3
____7.
KClO3 ---> KCl + O2
____8.
Na + H2O ---> NaOH + H2
(See
Questions #21-24 p215
for more practice)
Writing
Chemical Reactions (Section 7.2)
9.
Write a chemical equation for solid cadmium hydrogen carbonate decomposing to
yield solid cadmium carbonate, water, and carbon dioxide gas:
10.
Write a chemical equation for the reaction of aqueous solutions of potassium
chromate and calcium sulfate to give the precipitate calcium chromate and
aqueous potassium sulfate.
See
additional question #7-17 p215