Mr. P Chemistry

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torr

a measure of pressure named after Evangelista Torrecelli (1608 – 1647); Torrecelli’s work with Galileo led him to create the first mercury barometer; one torr = one mmHg, standard pressure is 760 torr

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March 4 in chemistry

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1947 - Willard Libby and coworkers developed radiocarbon dating.
sources: http://webserver.lemoyne.edu/faculty/giunta/week.html, http://todayinsci.com

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