Elements of Chemistry, Part Iwriting · 1789DirectVerified quotation — claim 01“We may lay it down as an incontestible axiom, that, in all the operations of art and nature, nothing is created; an equal quantity of matter exists both before and after the experiment; the quality and quantity of the elements remain precisely the same; and nothing takes place beyond changes and modifications in the combination of these elements.” — Antoine-Laurent Lavoisier · trans. Robert Kerr, 1790Verified quotation — claim 01“Upon this principle the whole art of performing chemical experiments depends: We must always suppose an exact equality between the elements of the body examined and those of the products of its analysis.” — Antoine-Laurent Lavoisier · trans. Robert Kerr, 1790
Sources supporting claim 01
Elements of Chemistry, Part IIIwriting · 1789DirectVerified quotation — claim 01“As the usefulness and accuracy of chemistry depends entirely upon the determination of the weights of the ingredients and products both before and after experiments, too much precision cannot be employed in this part of the subject; and, for this purpose, we must be provided with good instruments.” — Antoine-Laurent Lavoisier · trans. Robert Kerr, 1790
De la richesse territoriale du royaume de Francewriting · 1791DirectNo passage is mapped to this claim. Sources are listed for provenance; a quotation appears only when it has been verified for the specific claim.
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