Based on the law of definite proportions, we could also determine the elemental composition of a pure substance using only the atomic mass of the desired element and the molar mass of the compound: $$\displaystyle \%_{element} = \frac{...
When a question asks about two equivalents of bromine, does that mean Br2 or 2Br2? Why is the chemical equation for Sodium Bromide NaBr instead of NaBr2? Why is bromocyclohexane a secondary bromide? What are the physical and chemical properties of bromine? What does 0.540g of bromine and 0...
18 A student reacts pent-2-ene with bromine in the laboratory.Which compound is formed? A 1,1-dibromopentane B 1,2-dibromopentane C 2,2-dibromopentane D 2,3-dibromopentane Your answer D 相关知识点: 试题来源: 解析 D 反馈 收藏
Explanation:Br2 , bromine, is a diatomic element, or a molecular element is NOT an example of a compound. Because it is made up of just one element, hydrogen gas (H2) is a molecule rather than a compound. Because it is made up of hydrogen (H) and oxygen (O) atoms, water (H2O) ...
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Is praseodymium a metal, nonmetal or metalloid? Is gold a metal, nonmetal or metalloid? Is a diamond a metal, nonmetal, or metalloid? Is rutherfordium a metal, nonmetal, or metalloid? Is scandium a metal, nonmetal or metalloid? Is vanadium a metal, nonmetal or metalloid? Is bromine a meta...
Is bromine banned in Canada? Canada has made the decision to ban sodium bromide use in Canada, and all related Bromine products for pools and spas will bepulled from shelves as of Nov.2020. What is the name for Si2Br6? A compound of Si2Br6 is named –Disilicon Hexabromide....
Compound A is bubbled through bromine dissolved in carbon tetrachloride and the product is CH2Br−CH2Br . What is the compound A? Write its name. View Solution Compond A is bubbled through bromine dissolved in carbon tetrachloride and the product is CH2Br−CH2Br. ABr2/CCl4−−−...
a复方可待因口服溶液 Compound prescription codein oral administration solution[translate] aTest documentation including setups, methods, data, and final verification or validation results to requirements is available. 检验文件包括设定、方法、数据和最后的证明或检验结果到要求是可利用的。[translate]...
US7229741 2003年5月29日 2007年6月12日 Inphase Technologies, Inc. Asymmetric acrylate or vinyl ether compound containing sulfide groups, aromatic moieties, and optionally bromine is mixed with a matrix polymer precursor (expecially polyurethane) and reacted; holography recording medium...