equilibrium law vs chemical science

equilibrium law and chemical science both are nouns.

Word	Noun	Adjective	Verb	Adverb
equilibrium law	Yes	No	No	No
chemical science	Yes	No	No	No

equilibrium law (noun)	chemical science (noun)
(chemistry) the principle that (at chemical equilibrium) in a reversible reaction the ratio of the rate of the forward reaction to the rate of the reverse reaction is a constant for that reaction	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions