An engineer is designing a process to cool hot water from a power plant before returning the water to the environment. His plan is to allow the hot water to flow past a pipe containing a solution that is undergoing a chemical reaction. What kind of chemical reaction is most likely occuring in the cooling pipe?
A.
a reaction that absorbs heat
B.
a reaction that produces water
C.
a reaction that releases heat
D.
a reaction that consumes water