law of partial pressures vs chemistry

law of partial pressures and chemistry both are nouns.

Word	Noun	Adjective	Verb	Adverb
law of partial pressures	Yes	No	No	No
chemistry	Yes	No	No	No

law of partial pressures (noun)	chemistry (noun)
(chemistry and physics) law stating that the pressure exerted by a mixture of gases equals the sum of the partial pressures of the gases in the mixture; the pressure of a gas in a mixture equals the pressure it would exert if it occupied the same volume alone at the same temperature	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
	the way two individuals relate to each other
	the chemical composition and properties of a substance or object