Essay On The Element Oxygen

Essay On The Element Oxygen-37
Back to top In 1767, Priestley was offered a ministry in Leeds, Englane, located near a brewery.This abundant and convenient source of "fixed air” — what we now know as carbon dioxide — from fermentation sparked his lifetime investigation into the chemistry of gases.

Back to top In 1767, Priestley was offered a ministry in Leeds, Englane, located near a brewery.This abundant and convenient source of "fixed air” — what we now know as carbon dioxide — from fermentation sparked his lifetime investigation into the chemistry of gases.

He found a way to produce artificially what occurred naturally in beer and champagne: water containing the effervescence of carbon dioxide.

The method earned the Royal Society's coveted Copley Prize and was the precursor of the modern soft-drink industry.

Priestley (1733-1804) was hugely productive in research and widely notorious in philosophy.

He invented carbonated water and the rubber eraser, identified a dozen key chemical compounds, and wrote an important early paper about electricity.

They comprise 78 and 21 percent of the atmosphere, respectively.

Back to top In the mid-18th century, the concept of an element was still evolving.

Researchers had distinguished no more than two dozen or so elements, depending on who was doing the counting. Nobody knew what it was, and researchers kept finding that it could be converted into such a variety of forms that they routinely spoke of different "airs." The principal method for altering the nature of air, early chemists learned, was to heat or burn some compound in it.

The second half of the 1700s witnessed an explosion of interest in such gases.

His unorthodox religious writings and his support for the American and French revolutions so enraged his countrymen that he was forced to flee England in 1794.

He settled in Pennsylvania, where he continued his research until his death.

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