Look up phlogiston in Wiktionary, the free dictionary. The phlogiston theory, a superseded scientific theory, postulated the existence of a fire-like element...

scientific theories are discarded in their entirety, such as the replacement of the phlogiston theory by energy and thermodynamics. Some theories known to...

teenager, Scheele had learned the dominant theory of gases which in the 1770s was the phlogiston theory. Phlogiston, classified as "matter of fire", was supposed...

and also recognized hydrogen as an element (1783), opposing the phlogiston theory. Lavoisier helped construct the metric system, wrote the first extensive...

phlogiston theory of combustion in the 17th century, phlogiston was thought to be the substance of heat. There is one version of the caloric theory that...

"dephlogisticated air" (oxygen). Priestley's determination to defend phlogiston theory and to reject what would become the chemical revolution eventually...

Ernst Stahl by 1731, phlogiston theory stated that all combustible materials were made of two parts. One part, called phlogiston, was given off when the...

law of cooling. The theory of phlogiston arose in the 17th century, late in the period of alchemy. Its replacement by caloric theory in the 18th century...

According to the obsolete phlogiston theory, the 'calx' was the true elemental substance that was left after phlogiston was driven out of it in the...

needed] According to the obsolete phlogiston theory, the calx was the true elemental substance that was left after phlogiston was driven out of it in the process...

theory that Stahl got from J. J. Becher was the theory of phlogiston. This theory did not have any experimental basis before Stahl. Becher's theories...

polymath and adventurer, best known for his terra pinguis theory which became the phlogiston theory of combustion, and his advancement of Austrian cameralism...

1778). Nicholas W. Best, "Lavoisier's 'Reflections on Phlogiston' I: Against Phlogiston Theory" Archived 22 September 2018 at the Wayback Machine, Foundations...

Russia in the 18th century; he also rejected the phlogiston theory, and anticipated the kinetic theory of gases. Lomonosov regarded heat as a form of motion...

sylvestris, or wild spirit. This was subsequently incorporated into Phlogiston theory by Johann Joachim Becher in 1667; a concept that would dominate alchemical...

sulfur–mercury theory of metals – Early Islamic alchemy Periodic table – Tabular arrangement of the chemical elements Phlogiston theory – Superseded theory of combustion...

mass. The demonstrations of the principle disproved the then popular phlogiston theory that said that mass could be gained or lost in combustion and heat...

Ernst Stahl, phlogiston theory was an attempt to account for products of combustion. According to the theory, a substance called phlogiston was released...

geologist and chemist. He was one of the last supporters of the theory of phlogiston. Kirwan was active in the fields of chemistry, meteorology, and geology...

1783 – The acceptance of Lavoisier's theory of chemical reactions and combustion in place of phlogiston theory, known as the chemical revolution. The...

Lavoisier, a French chemist, refuted the phlogiston theory, which posited that things burned by releasing "phlogiston" into the air. Joseph Priestley had discovered...

heat changes in a reaction. In attempting to dismantle phlogiston theory and implement his own theory of combustion, Lavoisier utilized multiple apparatuses...

extension of the ILDM concept to reaction–diffusion manifolds". Combust. Theory Model. 11 (6): 839–862. Bibcode:2007CTM....11..839B. doi:10.1080/13647830701242531...

eliminated when a theory of heat as energy replaced it. Also, the theory that phlogiston is a substance released from burning and rusting material was eliminated...

Priestley, working with phlogiston theory, explained his observations about the decomposition of mercuric oxide using phlogiston. In contrast, Lavoisier...

on Phlogiston' I: Against Phlogiston Theory", Foundations of Chemistry, 2015, 17, 137–151. Nicholas W. Best, Lavoisier's 'Reflections on Phlogiston' II:...

inflammable, but hydrogen would play a key role in overturning the phlogiston theory of combustion. In 1766, Henry Cavendish was the first to recognize...

Isaac Newton tried to establish theories of experimentally observed chemical transformations. The phlogiston theory was proposed in 1667 by Johann Joachim...

separate form of matter has a long history, involving the phlogiston theory, the caloric theory, and fire. Many careful and accurate historical experiments...

University; proposed the law of conservation of matter; disproved the phlogiston theory; invented coaxial rotor and the first helicopter; invented the night...