The Bell Jar Merch
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Description: This scientific diagram shows sunlight focused by a burning lens onto mercury oxide under a glass bell jar, releasing bubbles of O₂, above the equation 2HgO → 2Hg + O₂, on a deep dark background. In 1774 Joseph Priestley focused sunlight on mercury oxide and collected a gas in which flames burned brightly: oxygen. He also invented carbonated water by dissolving carbon dioxide in water. Made for chemists, chemistry teachers and anyone who loves the lab, it suits a laboratory, classroom, study or home office.
Priestley and the Discovery of Oxygen, the Mercury Oxide Experiment Socks
by Science Design
$14 $20
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