C1122❌ Step 2: Multiply coefficients for compounds to balance out each element For each element that is not equal, try to balance it by adding more of it to the side with less. Sometimes there may be multiple compounds with that element on one side, so you'll need t...
Use uppercase for the first character in the element and lowercase for the second character. Examples: Fe, Au, Co, Br, C, O, N, F. You can use parenthesis () or brackets []. Finding Molar Mass Read our article on how tocalculate molar mass. ...
(Ⅱ) complex with tetraaza macrocycles [μ-C3H5N5-Cu2(C10H24N4)2]Br(ClO4)2•C2H5OH (C10H24N4=1,7-dimethyl-1,4,7,10,-tetraazacyclododecane)... 金祥林,姜亦佳 - 《物理化学学报》 被引量: 11发表: 1995年 Process for preparation of macrocyclic chelants and the chelates thereof with ...
[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...
百度试题 结果1 题目加热①Cu_2(OH)_2CO_3= =CuO+H_2O+CO_2↑ O2点燃2CO2+②C2H5OH+0H2O③C_4H_8O_3+_2O_2=CO_2+H_2O ④C3H5O3+O2=CO2+H2O 相关知识点: 试题来源: 解析 01 111 8 86 C(1②) 1① 反馈 收藏
(2)不合理,因为铜和氧化亚铜均可溶于稀硝酸形成蓝色溶液 合理,因为氧化亚铜可与稀硫酸反应生成Cu和Cu2+,导致溶液呈蓝色 (3)8c<9b-a 4 (4)关闭导气管上的活塞,从分液漏斗往试管中注水,使漏斗中的液面高于试管中的液面,静置一段时间后液面差不变,说明气体发生装置气密性良好 (5)ABC 【解析】该题实际上...
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...
仔细分析下列表格中每组醇与酸的关系,找出其关系的共同点,判断 X 的分子式为( ) Ⅰ组 Ⅱ组 Ⅲ组 Ⅳ组醇 C 2 H 5 OH C 4 H 9 OH X CH 3 CH(OH)CH(OH)CH 3 ……酸 HCOOH CH 3 CH 2 COOH H 2 ... 查看完整题目与答案 化学考试题目 如图所示,两质量均为m的小球A、B用两轻绳连接在天...
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% ...