phlogiston theory
E662402
Phlogiston theory was an obsolete scientific hypothesis that posited a fire-like element released during combustion and rusting, later overturned by modern chemistry and the discovery of oxygen.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
chemical theory
ⓘ
obsolete scientific theory ⓘ scientific theory ⓘ |
| associatedWith |
Georg Ernst Stahl
NERFINISHED
ⓘ
Johann Joachim Becher NERFINISHED ⓘ |
| category |
history of chemistry
ⓘ
superseded scientific theories ⓘ |
| challengedBy |
Antoine Lavoisier
NERFINISHED
ⓘ
Carl Wilhelm Scheele NERFINISHED ⓘ Joseph Priestley NERFINISHED ⓘ |
| claimedPropertyOfPhlogiston |
invisible
ⓘ
released as flame or heat ⓘ sometimes negative weight ⓘ weightless ⓘ |
| contradictedBy | modern chemistry ⓘ |
| coreClaim |
combustible materials contain phlogiston
ⓘ
metals are compounds of calx and phlogiston ⓘ phlogiston is released during combustion ⓘ rusting is loss of phlogiston ⓘ |
| describes |
calcination of metals
ⓘ
combustion ⓘ rusting ⓘ |
| explained |
burning of charcoal
ⓘ
burning of metals ⓘ burning of wood ⓘ |
| field |
chemistry
ⓘ
natural philosophy ⓘ |
| hasProperty |
fire-like element concept
ⓘ
pre-oxygen theory of combustion ⓘ |
| historicalPeriod |
17th century
ⓘ
18th century ⓘ |
| historicalSignificance |
example of theory change in science
ⓘ
step toward modern chemistry ⓘ |
| influencedBy |
Aristotelian elements
NERFINISHED
ⓘ
alchemy ⓘ |
| languageOfEarlyFormulations |
German
ⓘ
Latin ⓘ |
| mainConcept | phlogiston ⓘ |
| overturnedBy |
discovery of oxygen
ⓘ
law of conservation of mass NERFINISHED ⓘ |
| popularUntil | late 18th century ⓘ |
| proposedIn | late 17th century ⓘ |
| region | Europe ⓘ |
| replacedBy | oxygen theory of combustion NERFINISHED ⓘ |
| status | discredited ⓘ |
| taughtIn | 18th-century European universities ⓘ |
| usedToExplain |
difference between metals and calxes
ⓘ
formation of metal calxes ⓘ why some substances stop burning ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.