A chemical plant produces ammonia using the following reaction at a very high temperature and pressure. Which design issue is most likely to arise as a result of these conditions?

3H2 + N2 ⇄ 2NH3 + energy

A.
The process will be worse for the environment because it will generate more waste products.
B.
The high temperature and pressure will favor the formation of the reactants.
C.
The equipment needed to accommodate the high temperature and pressure will be expensive to produce.
D.
The reaction will stop at a very high temperature and pressure.