In electrophilic aromatic substitution reactions, a -CO2H substituent on the aromatic ring is:

a. a deactivator and an o, p-director.
b. an activator and a m-director.
c. a deactivator and a m-director.
d. an activator and an o, p-director.

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

How many miles of water are produced if 5.43 mol pbo2 are consumed

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18