October 13 is the 286th day of the year (287th in leap years). There are 79 days remaining.
October 12 - October 14 - September 13 - November 13 - more historical anniversaries
... Davy[?], in England; its chemical formula is C2H2 and its structure is:
Acetylene is a colorless and extremely flammable gas at standard temperature and pressure ...
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