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Tungsten(VI) fluoride, also known as tungsten hexafluoride, is an inorganic compound with the formula W F 6. It is a toxic, corrosive, colorless gas, with a density of about 13 kg/m 3 (22 lb/cu yd) (roughly 11 times heavier than air). [2] [3] It is the densest known gas under standard ambient temperature and pressure (298 K, 1 atm). [4]
Tungsten hexafluoride (tungsten(VI) fluoride) This page was last edited on 18 July 2023, at ...
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Tungsten(V) fluoride is an inorganic compound with the formula WF 5. It is a hygroscopic yellow solid. It is a hygroscopic yellow solid. Like most pentafluorides, it adopts a tetrameric structure, consisting of [WF 5 ] 4 molecules.
One of the first types of purpose-built small powered fishing boats to appear on the Chesapeake Bay were the Hooper Island draketails of the 1920s and 1930s. The Hooper Island draketails featured construction similar to the sailing skipjacks, but were narrower as stability was not needed to carry a sail and a narrow hull made best use of the ...
A pontoon boat is a flattish boat that relies on nautical floats for buoyancy. Common boat designs are a catamaran with two pontoons, or a trimaran with three. [2] In many parts of the world, pontoon boats are used as small vehicle ferries to cross rivers and lakes. [3] An anchored raft-like platform used for diving, often referred to as a pontoon
Skipjack under sail. The skipjack is a traditional fishing boat used on the Chesapeake Bay for oyster dredging.It is a sailboat which succeeded the bugeye as the chief oystering boat on the bay, and it remains in service due to laws restricting the use of powerboats in the Maryland state oyster fishery.
The bay is the location of what is regarded as the "largest shipwreck fleet in the Western Hemisphere" [2] [3] and is described as a "ship graveyard." [4] Mallows Bay is in the northeast corner of the Mallows Bay–Potomac River National Marine Sanctuary, which the National Oceanic and Atmospheric Administration designated on September 3, 2019. [5]