Set up a reaction by mixing the compounds and regents in a 250 ml round-bottom flask with a stir bar using ... ×3), and dry the solid at 50 °C under vacuum (10 mm Hg) for 4 h.

Insulated vacuum flasks (aka "thermoses ... along with the boiling point of 100 ºC (212 ºF). The flask weighs 950 g (2 lb), and holds 360 ml (1.5 cups) of liquid Like other insulated flasks ...

The Parkside Flask 750 stores a full bottle's worth of wine between two removable wine tumblers, keeping it at proper temperature with a rugged vacuum-insulated ... end by a 300-ml (10.5-oz ...