To be balanced, every element in C3H5(OH)3 + Cu(OH)2 = C3H5(OCuO)(OH) + H2O must have the same number of atoms on each side of the equation. When using the inspection method (also known as the trial-and-error method), this principle is used to balance ...
例子 Ca((NO3)2) (Cu)(OH)2 (Zn)3(P)2 (H2)S Na2H(C3H5O(COO)3) (HCOO){-} (CHOO)2Ba ((NH4)2)SO4 K3(Fe)(CN)6 (NH4)2(PtCl4) Ba((NO3)2) Na2S(S) Recent Oxidation Numbers
C3H5(ONO2)3= N2↑+ CO2↑+ H2O↑+ O2↑ C2H5OH+ O2点燃–––––– CO2+ H2O C6H12O6+ O2酶–– H2O+ CO2 NxO3+ Fe= Fe3O4+ N2 相关知识点: 试题来源: 解析 (1) 1;2;2;1 (2) 1;6;2;3 (3) 1;1;1;2 (4) 2;2;3 (5) 4;6;12;10;1 (6) 1;3;2;3 (7) 1;6;6...
[Cu2(C6H4N3(C3H5))2(H2O)2SiF6]·2H2O (I) and [Cu2(C6H4N3(C3H5))2(CH3OH)2(H2O)2]SiF6 (II)π-compounds were obtained by alternating current electrochemical synthesis, starting from ethanol–methanol solution containing 1-allylbenzotriazole, H2SiF6, CuSiF6·4H2O and copper wire ele...
(1)由上述分析可知,A为或,含有官能团为:酯基-COOC-、羟基-OH、氯原子-Cl,故答案为:酯基;羟基;(2)A在碱性条件下发生水解反应生成B、C、D,也属于取代反应;H→I是CH2=CHCOOH发生加聚反应生成,故答案为:水解反应或取代反应;加聚反应;(3)B为HOCH2CH2COONa,其分子式为C3H5O3Na,I为,故答案为:C3H5O3Na;;...
6.最近科学家研究确认,一些零食特别是油炸食品含有致癌物质丙烯酰胺(C3H5ON).请回答:(1)丙烯酰胺中含有四种元素;(2)丙烯酰胺分子中碳、氢、氧、氮的原子个数比为3:5:1:1;(3)丙烯酰胺的相对分子质量为71;(4)丙烯酰胺中氮元素的质量分数为19.7%(精确到0.1%). ...
③能用于医疗消毒的是C2H5OH④空气中含量最多的物质N2(2)碳酸钙可以作为补钙剂,该物质所含酸根离子的符号是CO32-.(3)医用0.9%氯化钠注射液,常含有碳酸氢钠或乳酸钠(C3H5O3Na),乳酸钠中碳元素与氧元素的质量比是3:4.(4)二氧化碳对于环境既有功也有过,如图所示有关二氧化碳的实验中,只能证明二氧化碳物理性质...
烃C3H6与HCl反应生成C3H7Cl,则烃C3H6为CH2=CHCH3,与HCl发生加成反应生成C3H7Cl,C3H7Cl在Na条件下生成C6H14,应属于取代反应,(1)中C6H14核磁共振谱只有两种峰,则C6H14的结构简式为(CH3)2CHCH(CH3)2,故C3H7Cl为(CH3)2CHCl.CH2=CHCH3与氯气在加热条件下生成C3H5Cl,应是发生取代反应,C3H5Cl在氢氧化...
A为只含有 C、H、O三种元素的芳香烃衍生物,且苯环上只有两个取代基.各物质间的相互转化关系如图所示I△浓H2SO4浓H2SO ED O新制Cu(OH)2△A Cu△F G A.已知:D通过加聚反应得到 E,E子式为(Cg H8O2)n; I中除含有一个苯环外还含有一个六元环.(1)写出A的分子式:A___.(2)写出I、E的结构简...
Composition of Cu(NH2CH2CH2NH2)2(NO3)2 ElementSymbolAtomic Mass# of AtomsMass Percent CopperCu63.546 g/mol120.6484% NitrogenN84.0402 g/mol627.3077% HydrogenH16.127 g/mol165.2403% CarbonC48.0428 g/mol415.6109% OxygenO95.9964 g/mol631.1927% ...