Manganese dioxide nanoparticles were synthesized by redox reaction between potassium permanganate (KMnO4) and manganese acetate (Mn(CH3COO)2.4H2O) and functionalized with taurine (H3N CH2CH2SO3) and caproic acid (CH3(CH2)8COOH) to produce MnO2@Tau and MnO2@CA. These functionalized...
CaCO3+2CH3COOH=(CH3COO)2Ca+H2O+CO2↑;13. Ca(H2PO4)2+2Ca(OH)2= Ca3(PO4)2+4H2O;14. Fe+CuCl2=FeCl2+Cu;15. Na2CO3+CO2+H2O=2NaHCO3. 故答案为:1.2CO2+NaOH=Na2CO3+H2O;?xml:namespace>2. SO2+2KOH=K2SO3+H2O;3.SO3+2NaOH=Na2SO4+H2O;4.Na2O+2HCl=2NaCl+H2O;5. Al2O3+6HCl...
20° Methanol 2-p-nitrophenoxy-3-NO2-5-S-thiophenes 3. 20° Aqueous X-C H OCO(CH ) NMe 64 24 2 4. 75° Benzene 6-X-2-NO2-C6H3Cl 5. 20° Benzene 2-phenoxy-3-NO2-5-X-Thiophenes 6. 50° Methanol 4-X-1-I-2-nitroiodobenzene 7. 20° Methanol 2-Br-3-NO2-5-X-...
4. The method for manufacturing ultra fine tungsten carbide-cobalt composite powder according to claim 1, characterized in that said cobalt compound is cobalt oxalate (CoC2O4.2H2O), cobalt acetate (Co.CH3COO)2.4H2O), and cobalt sulfate (CoO4S.7H2O). 5. The method for manufacturing ultra ...
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有一碱液,可能是K2CO3,KOH和KHCO3或其中两者的混合碱物。今用HCl标准滴定溶液滴定,以酚酞为指示剂时,消耗体积为V1,继续加入甲基橙作指示剂,再用HCl溶液滴定,又消耗体积为V2,且V2< V1,则溶液由( )组成。 A. K2CO3和KOH B. K2CO3和KHCO3 C. K2CO3 D. KHCO3 查看完整题目与答案 若有a=2,b...
A.该消毒液可用NaOH溶液吸收Cl2制备:Cl2+2OH﹣═ClO﹣+Cl‑+H2O B.该消毒液的pH约为12:ClO﹣+H2O⇌HClO+OH﹣ C.该消毒液与洁厕灵(主要成分为HCl)混用,产生有毒Cl2:2H++Cl﹣+ClO﹣═Cl2↑+H2O D.该消毒液加白醋生成HClO,可增强漂白作用:CH3COOH+ClO﹣═HClO+CH3COO﹣ ...
below the set value, contact 1-4 opens and contact 1-2 closes and locks. When the pressure has risen above the set value, the c ontact can be unlocked with the manual reset button.Change-over contact with manual reset max.: If the pressure rises above the set value, contact 1-2 ...
加入硫源,水热晶化干燥后得到金属基底上生长的Ni3S2包覆的MMoO4纳米棒阵列复合材料.M盐为Ni(NO3)2,Ni(CH3COO)2,NiCl2,NiSO4,Co(NO3)2,Co(CH3COO)2,CoCl2,CoSO4,Mn(NO3)2,Mn(CH3COO)2,MnCl2或MnSO4.该材料具有较高的比电容,良好的循环稳定性和倍率性能,它能够在超级电容器领域中得到更加广泛的...
下列表示水解的离子方程式正确的是: A.CH3COO— + H2OCH3COOH + OH— B.NH4+ + H2ONH4OH + H+ C.S2- + 2H2OH2S+2OH- D.HCO3- + H2O H3O++CO32- 查看完整题目与答案 高中化学>离子方程式考试题目 (8分)阅读下列材料 材料一 :“ 秦有天下,裂都会而为之郡邑,废侯卫而为守宰(宰:地方官),据...