A. combination reaction B. decomposition reaction C. displacement reaction D. redox reaction 相关知识点: 试题来源: 解析 C。displacement reaction 是置换反应,即一种元素取代化合物中的另一种元素;combination reaction 是化合反应;decomposition reaction 是分解反应;redox reaction 是氧化还原反应。反馈...
Probably the best known use of fluorine is in a compound known as fluoride. Fluorides are included in toothpaste and urban water supplies to help prevent tooth decay. aerosol propellants. However, CFCs react with ozone (O 3 ) in the upper atmosphere. The ozone Layer filters harmful ultraviole...
Electrolytic refining involves passing an electric current through a compound. Very pure lead is collected at one side of the container in which the reaction is carried out. A major source of lead is recycled car batteries. Lead is also recovered in recycling programs. Recycling is the ...
NEW MATERIAL:A compound of formula I (R is 1-15C straight chain or branched alkyl; one of X, Y is F and the other is CF3). EXAMPLE:[1-Fluoro-2-trifluoromethyl-4-[trans-4-(trans-4-propylcyclohexyl) cyclohexyl]benzene. USE:A liquid crystal compound. Very useful for obtaining liquid ...
(Fig.1a). The plates of ordered L12intermetallic compound (yellow arrows) appear in fcc grains. Figure1a(inset) shows the superlattice spots (blue arrows) induced by L12in the selected-area electron diffraction (SAED) pattern. The L12plate consists of nano-lamellae, including the fcc structure...
neutrons in its nucleus. Thestrong nuclear forceholds an atom's nucleus together and is difficult to break. Chemical reactions such as burning or bonding into atoms can't alter the nucleus of an atom and can't change an element. A nuclear reaction is required to alter the nucleus of an ...
1.3 and 1.4. We therefore suggest that more than one >AlOH0.5−site is involved in the process of adsorption. The formation of a bidentate binuclear corner sharing surface complex was assumed and can be modeled using the TPM-CD-MUSIC with a log K of 6.72 for the following reaction: ...
It doesn't explode, it just create an extremely intense heat and the product of the reaction is white-hot molten iron. A friend related the story of being in the signal corps of the army: Every piece of communications equipment that involved cryptographic components came as standard issue ...
4. To treat with lead or a lead compound: leaded gasoline; leaded paint.Idiom: get the lead out Informal To start moving or move more rapidly. [Middle English led, from Old English lēad, probably of Celtic origin.] lead adj. American Heritage® Dictionary of the English Language, Fi...
The product of this reaction is called hydrated copper carbonate Copper samples from northern Michigan. (Cu 2 (OH) 2 CO 3 ). This compound has a beautiful greenish color, called a patina. Copper roofs eventually develop this color. Occurrence in nature The abundance of copper in the ...