单体是-CH2-O-CH2-.单体就是括号里面的那个式子 。
ABD 碳碳三键 nHOOCCH2CH2COOH+nHOCH2CH2CH2CH2OH定条件0HO七C—(CH,),C—O(CH,)O五H+(2n-1)H2O HCHOCH2=CH2HOCH,CH=CHCH,OHHHOCH,CH,CH,CH,OH催化剂催化剂H2催化剂02H COOCCH,CH,COOCHCHOHHOOCCH CHCOOH催化剂 HOB.通电后Pt为阴极,Cd为阳极,分别发生发生H+的还原反应和Cd的氧化反应,所以总反应...
一、制备Ellman亚胺 General Procedure for N-Sulfinyl Aldimine Formation.To a dry round bottom flask equipped with a football shaped magnetic stir bar was charged aldehyde (2.0 mmol, 1.0 equiv), (S)-tert-butanesulfinamide (291 mg, 2.4 mmol, 1.2 e...
CH3CH=CH CH3、(CH3)2C=CH2,共3种,故答案为3;(2)生苹果肉遇碘酒变蓝,熟苹果汁能与银氨溶液反应,说明生苹果肉中含有淀粉,熟苹果汁中含有葡萄糖,苹果由生到成熟时发生的相关反应方程式为(C6H10O5)n (淀粉)+ nH2O催化剂n C6H12O6(葡萄糖),故答案为(C6H10O5)n (淀粉)+ nH2O催化剂n C6H12O6(葡萄糖)...
英文名称:N-methyl morpholine 别名: 分子式:C5H11NO;;CH2CH2NCH3CH2CH2O 分子量:101.15 熔点:-66℃ 沸点:115.4℃ 密度:相对密度(水=1)0.92; 蒸汽压:24℃ 溶解性:与水混溶,溶于苯 稳定性:稳定 外观与性状:无色液体,有氨的气味 危险标记:7(易燃液体),20(腐蚀品) ...
The crystal and molecular structure has been determined crystallographically. The complex V(v) O[N(CH2CH2O)3] crystallzes in the monoclinic system, space group结构化学
1ABD 碳碳三键 nHOOCCH2CH2COOH+nHOCH2CH2CH2CH2OH一定条件0HO七C—(CH,),C—O(CH,)O五H+(2n-1)H2O HCHOCH-CH-HOCH,CH-CHCH,OHCHCH.CHOH催化剂催催H02H COOCCH CHCOOCH剂CHOHHOOCCH,CH.COOH催化剂 00HO000 2ABD 碳碳三键 nHOOCCH2CH2COOH+nHOCH2CH2CH2CH2OH定条件0HO七C—(CH,),C—O(...
乙二醇和乙二酸在n:n的条件下可以脱n分子水,形成聚合物酯nHO-CH2-CH2-OH + nHOOC-COOH --- [-OCH2CH2O-CO-CO-]n + 2nH2O [-OCH2CH2O-CO-CO-]n这个是怎么形成的,断键位置是怎么样的,后面为什么有2份水? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 是乙二酸脱去两个-OH...
1ABD 碳碳三键 nHOOCCH2CH2COOH+nHOCH2CH2CH2CH2OH一定条件0HO七C—(CH,),C—O(CH,)O五H+(2n-1)H2O HCHOCH-CH-HOCH,CH-CHCH,OHCHCH.CHOH催化剂催催H02H COOCCH CHCOOCH剂CHOHHOOCCH,CH.COOH催化剂 00HO000 2ABD 碳碳三键 nHOOCCH2CH2COOH+nHOCH2CH2CH2CH2OH定条件0HO七C—(CH,),C—O(...
CH3(CH2)2CH2NH COOCH2CH2(OCH2CH2)n OCH3 Each TESSALON Perle contains: Benzonatate, USP 100 mg C30H53NO11 Each TESSALON Capsule contains: Benzonatate, USP 200 mg TESSALON Capsules also contain: D&C Yellow 10, gelatin, glycerin, methylparaben and propylparaben. CLINICAL PHARMACOLOGY TESSALON ...