百度试题 结果1 题目25 Bromine is in Group VIll on the Periodic Table.Which describes the appearance of bromine at room temperature? C A grey solid B purple fumes C red-brown liquid D yellow gas 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
百度试题 结果1 题目25 Bromine is in Group VIl on the Periodic Table.Which describes the appearance of bromine at room temperature?C A grey solid B purple fumes C red-brown liquid D. yellow gas 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
Mass Number 80 Physical Properties Color/physical appearance Deep-red [1] Odor Strong Melting point/freezing point -7.2°C (19°F) [1] Boiling point 58.8°C (137.8°F) [1] Density 3.1028 g/cm3 [1] Standard/Natural state at room temperature (solid/liquid/gas) Liquid [1] Magnetic Propert...
Bromide is stable for more than 1 year at room or refrigerator temperature, in glass, plastic, clear or brown containers, when in solution with distilled water. The stability of bromide in syrup solution is unknown. Current recommendations include keeping the bromide syrup solution refrigerated and...
Vapor Presure1.37E-10mmHg at 25°C AppearanceSolid ColorWhite to Off-White Storage ConditionSealed in dry,Room Temperature Refractive Index1.596 MDLMFCD00086863 Physical and Chemical PropertiesAppearance: white powder melting point UseAs an intermediate, octabromodie can be prepared by bromination, whic...
element, mercury is the only metallic element that is known to be liquid at standard conditions for temperature and pressure; the only other element that is liquid under these conditions is the halogen bromine, though metals such as caesium, gallium, and rubidium melt just above room temperature...
sium carbonate f0.005 mo1).Aft er stirring for 6 h at room temperature,the react ant w as placed for 2 h. Then 50 mL w ater w as further added for diluting. The residue w as extracted w ith methylene chlori de, distilled and separat ed by column chromatography (30% ethyl ace...
Bromine is the only nonmetallic element that is liquid at ordinary temperatures. It is a dense, reddish-brown liquid which evaporates easily at room temperature to a red vapor with a strong, chlorine-like odor. Bromine is less reactive than chlorine or fluorine but more reactive than iodine. ...
users have expressed the need for a single-feed, bromine-based biocide. Molecular bromine chloride has been considered to meet these demands. It is a liquid at room temperature and can be fed directly to the water system, where immediate hydrolysis occurs to yield HOBr. BrCl+H2O➝HOBr+HCl...
To produce composition C the below-identified components were introduced separately in a one gallon, jacketed, stainless steel, agitated Parr Reactor at room temperature (approximately 72° F.) to form a batch. PPE/PS pellets and demineralized water were introduced first as follows: 1,986 ml (...