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oct 15, 1777 - 1780s Lavoisier experiments end phlogiston

Description:

Phlogiston remained the dominant theory until the 1780s when Antoine-Laurent Lavoisier showed that combustion requires a gas that has mass (oxygen) and could be measured by means of weighing closed vessels.[15] The use of closed vessels also negated the buoyancy that had disguised the mass of the gases of combustion. These observations solved the mass paradox and set the stage for the new oxygen theory of combustion.[16] Elizabeth Fulhame demonstrated through experiment that many oxidation reactions occur only in the presence of water, that they directly involve water, and that water is regenerated and is detectable at the end of the reaction. Based on her experiments, she disagreed with some of the conclusions of Lavoisier as well as with the phlogiston theorists that he critiqued. Her book on the subject appeared in print soon after Lavoisier's death.[17][18]

Added to timeline:

5 months ago
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Bartram Barton

Date:

oct 15, 1777
Now
~ 241 years ago
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