Henry's law vs chemical science

Henry's law and chemical science both are nouns.

Word	Noun	Adjective	Verb	Adverb
Henry's law	Yes	No	No	No
chemical science	Yes	No	No	No

Henry's law (noun)	chemical science (noun)
(chemistry) law formulated by the English chemist William Henry; the amount of a gas that will be absorbed by water increases as the gas pressure increases	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions