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In applied science he made improvements in manufacturing gunpowder, discovered the composition of the air and the nature of [[oxygen]], applied the principles of chemistry to agriculture, and indicated the presence and action of these principles in various other domains of scientific inquiry. He helped establish the modern [[metric system]] of grams and meters.
In applied science he made improvements in manufacturing gunpowder, discovered the composition of the air and the nature of [[oxygen]], applied the principles of chemistry to agriculture, and indicated the presence and action of these principles in various other domains of scientific inquiry. He helped establish the modern [[metric system]] of grams and meters.
Lavoisier demonstrated experimentally that oxygen is involved in combustion, rusting, and respiration, thereby disproving the "[[phlogiston theory]]." He invented the basic notation like H<sub>2</sub>O that have been used ever since. He was a personal friend of [[Benjamin Franklin]], and did experiments in electricity.
Lavoisier demonstrated experimentally that oxygen is involved in combustion, rusting, and respiration, thereby disproving the "[[phlogiston]] theory." He invented the basic notation like H<sub>2</sub>O that have been used ever since. He was a personal friend of [[Benjamin Franklin]], and did experiments in electricity.
He collaborated closely with the young mathematician [[Pierre de Laplace]] (1749–1827) during 1777-84 on experiments on the physics of heat, temperature, and combustion. The collaboration helped Lavoisier understand the physical aspects of chemical problems. Laplace's assistance enabled Lavoisier to complete his case for the rejection of phlogiston theory.
He collaborated closely with the young mathematician [[Pierre de Laplace]] (1749–1827) during 1777-84 on experiments on the physics of heat, temperature, and combustion. The collaboration helped Lavoisier understand the physical aspects of chemical problems. Laplace's assistance enabled Lavoisier to complete his case for the rejection of phlogiston theory.
Long interested in public affairs, he studied French finances and agricultureand drafted a scheme for reforming the educational system.
Long interested in public affairs, he studied French finances and agricultureand drafted a scheme for reforming the educational system.
==Executed==
==Executed==