Steel gas pipe has been laid parallel to (but not touching) copper water pipe in the same trench in a new house complex. Within 6 months the gas pipeline was leaking, as evidenced by the odor and the dead grass over the lines.

a) What kind of cell has been set up?

b) Identify the anode, the cathode, and the electrolyte.

c) How this cell in (a) could been set up between the steel pipe

and the cooper pipe?

d) Write the cathodic reaction.