Written 4.docx - Name: James Burton College ID: Thomas...

Name: James Burton
College ID:
Thomas Edison State University
General Chemistry I with Labs (CHE-121)
Section no.:
Semester and year:
Written Assignment 4: Chemical Reactions
Answer all assigned questions and problems, and show all work.
1. Write the (a) balanced equation for the formation of liquid water from hydrogen and
oxygen gas, and use it to explain the following terms: (b) chemical reaction, (c) reactant,
(d) product. (12 points)
2. Balance the following equations: (18 points)
a. C + O
2
→ CO – 2CO
b. CO + O
2
→ CO
2
-
2CO
c. Na + H
2
O → H
2
+ NaOH- H
2
+2NaOH
d. Zn + HCl → ZnCl
2
+ H
-
- ZnCI
2
+H
e. NaOH + H
2
SO
4
→ H
2
O + Na
2
SO
4
- 2H
2
O+Na
2
SO
f. NH
3
+ CuO → Cu + N
2
+ H
2
O- 3CU+N
2
+3H
2
2
2
4
2
O