Which of the reactions below are catalyzed? Check all that apply.

Benzene reacts with chlorine in the presence of aluminum chloride. The products are chlorobenzene and aluminum chloride.

Salt, NaCl, is produced by the process of evaporation of seawater or brine. If the surface area of the water is increased, the same volume of water evaporates faster.

The Haber process combines hydrogen and nitrogen to make ammonia. The two gases are passed through a reactor under pressure and at high temperatures. If iron is added to the reactor, the yield of ammonia increases.

Ethanol can be dehydrated to make ethylene by heating it with concentrated sulfuric acid at about 170°C. The equation used is: