Called Clergy is
4. Attaching a less reactive metal to an iron object can prevent the
rusting of the object. The process is called anodic protection.
III. Answer the following questions.
Indicate which of the following unbalanced equations represents
Zn
a redox reaction.
a- SO3 + H2O + H2SO,
b- 1,03 + CO + I + CO,
an be
ry to the
of the
2. Refer to the diagram (fig. 32) to answer the following questions.
- Infer why heat production ceases eventually in this reaction.
b Describe the macroscopic observations which suggest a chemical
reaction has taken place?
c- Explain what is happening at the microscopic level.
Fig. 32
CuCl, Solution
Cu
Unit Three: Electrochemistry
85​