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700–750 strong 690–710 strong ortho-disub. benzene 750 strong meta-disub. benzene 750–800 strong 860–900 strong para-disub. benzene 800–860 strong alkynes: any 3300 medium aldehydes: any 2720 medium 2820 C═C acyclic C═C monosub. alkenes 1645 medium 1,1-disub. alkenes 1655 medium cis-1,2-disub. alkenes 1660 medium trans-1,2-disub ...
Millesimal fineness is a system of denoting the purity of platinum, gold and silver alloys by parts per thousand of pure metal by mass in the alloy. For example, an alloy containing 75% gold is denoted as "750".
An increase of 100% in a quantity means that the final amount is 200% of the initial amount (100% of initial + 100% of increase = 200% of initial). In other words, the quantity has doubled. An increase of 800% means the final amount is 9 times the original (100% + 800% = 900% = 9 times as large).
French silver made for export carries an assay mark in the shape of the head of Mercury, along with a number to indicate the millesimal fineness: "1" for .920, "2" for .840 and "3" for .750. French silver also is punched with the mark of the maker, by law in the shape of a lozenge, usually with the maker's initials and a symbol.
One major part of FEMA’s assistance that has been mischaracterized by former President Donald Trump and others is a $750 payment that goes to disaster survivors in the immediate aftermath of a ...
Map of the Great Zab river (Northern Iraq) The Great Zab river near Erbil (Iraq). Year 750 was a common year starting on Thursday of the Julian calendar, the 750th year of the Common Era (CE) and Anno Domini (AD) designations, the 750th year of the 1st millennium, the 50th year of the 8th century, and the 1st year of the 750s decade.
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A metric fifth of Dewar's Scotch whisky. A fifth is a unit of volume formerly used for wine and distilled beverages in the United States, equal to one fifth of a US liquid gallon, or 25 + 3 ⁄ 5 U.S. fluid ounces (757 milliliters); it has been superseded by the metric bottle size of 750 mL, [1] sometimes called a metric fifth, which is the standard capacity of wine bottles worldwide and is ...