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joseph priestley gases : Joseph Priestley (13 March 1733 (Old Style) 6 February 1804) was an 18th- century English ..... Equipment used by Priestley in his experiments on gases ..... More from Wikipedia
Discovery of Oxygen
Two scientists, Carl Scheele of Sweden and Joseph Priestly of England working independently, discovered oxygen. They published their discovery in 1777. Scheele obtained oxygen by heating potassium nitrate and mercuric oxide and called it "Fire Air". Priestley called it "De..
Discovery of Ammonia
Joseph Priestley first prepared ammonia in 1775 by heating Sal ammoniac (ammonium chloride) with slaked lime. Due to its basic nature, he called it alkaline air. In 1785, Comte Claude-Louis Berthollet determined the chemical composition of ammoni..
Thought provoking Creative Quotations from Joseph Priestley (1733-1804); born on Mar 13. English chemist, political theorist, clergyman; He discovered oxygen and wrote studies of gases in "Observations on Different Kinds of Air," 1786.
Warren Etheredge of The Warren Report passes drinks and gases, enjoys hijinx and educated guesses with Steven Johnson, the author of THE INVENTION OF AIR at Words & Wine. The book chronicles the life of Joseph Priestley and his influence on Science, Unitarianism and our Founding Fathers. More Dust Than Digital has stylishly captured the event, produced by Kim Ricketts Book Events, on camera. For the complete interview, contact: warren@thewarrenreport.com ... "Words & Wine" "Warren Etheredge" " ...
Question :
Answer : Priestly began by placing a mouse in an air-tight container with a lit candle. Obviously, the mouse died. We now know that it was because of a lack of oxygen/excess of carbon dioxide. The flame required oxygen to burn, and the mouse was deprived. The he saw that placing a plant in the container with the mouse and candle "purified" the air, enabling the mouse to survive. He couldn't always replicate his result, especially inside. We know that the reason that the plant purified to air is because it photosynthesized, removing carbon dioxide from the air, while releasing oxygen. Obviously, when Priestly moved his experiment inside, the plant was denied access to sunlight and could not photosynthesize... More from Yahoo Answers
Answer : Priestly began by placing a mouse in an air-tight container with a lit candle. Obviously, the mouse died. We now know that it was because of a lack of oxygen/excess of carbon dioxide. The flame required oxygen to burn, and the mouse was deprived. The he saw that placing a plant in the container with the mouse and candle "purified" the air, enabling the mouse to survive. He couldn't always replicate his result, especially inside. We know that the reason that the plant purified to air is because it photosynthesized, removing carbon dioxide from the air, while releasing oxygen. Obviously, when Priestly moved his experiment inside, the plant was denied access to sunlight and could not photosynthesize... More from Yahoo Answers
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