故答案为: 4KHSO4+4MnO2+3O2↑+2H2O 结果一 题目 小刚收集了一些化学反应的微观方面的信息,准备研究化学反应的实质.请你帮助他完成分析.(1)下图是某个化学反应前、后的微观模拟图.图中“●”、“$\bigcirc $”表示不同的元素的原子.888●00008据图可知,实际参与反应的●●和$\bigcirc \bigcirc $两种...
A.2NaOH+CO2→Na2CO3+H2O B.CuO+H2SO4→CuSO4+H2O C.Al(OH)3+3HCl→AlCl3+3H2O D.Na2CO3+2HCl→2NaCl+H2O+CO2↑相关知识点: 试题来源: 解析 答案:C。 解:A、二氧化碳既不是酸也不是碱,所以不是中和反应,故错误; B、氧化铜属于氧化物,它既不是酸也不是碱,所以不是中和反应,故错误; C、氢...
7.氢氧燃料电池已用于航天飞机.以30% KOH溶液为电解质溶液的这种电池在使用时的电极反应如下:2H2+4OH--4e-═4H2O.O2+2H2O+4e-═4OH-.据此作出判断.下列说法中正确的是( )A.H2在正极发生氧化反应B.供电时的总反应为:2H2+O2═2H2OC.燃料电池将H2燃烧放出的热能转化为电
2H2+O2to2H2O, এই বিক্রিয়াটি - 02:50 N2+3H2to2NH3, এই বিক্রিয়াটি হল - 03:28 CaCO3undersetrarr উত্তাপCaO+CO2, রাসায়নিক বিক্রিয়াটি...
Answer to: In the following reaction, what is the oxidation number of oxygen, the reactant? 2 H2 (g) + O2 (g) rightarrow 2H2O (g) By signing up,...
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A. Calibration source for peroxy radicals with built-in actinometry using H2O and O2 photolysis at 185 nm. J. Geophys. Res. 100, 18811–18816 (1995). 22. Buenker, R., Olbrich, G., Schuchmann, H., Schürmann, B. & Von Sonntag, C. Photolysis of methanol at 185 nm. Quantum-...
www.nature.com/scientificreports OPEN Valorization of spent disposable wooden chopstick as the C O2 adsorbent for a C O2/H2 mixed gas purification Wanida Koo‑amornpattana1, Woranart Jonglertjunya1, Poomiwat Phadungbut1, Sakhon Ratchahat1, Naphaphan Kunthakudee1,...
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Experimental arrangement of bituminous char gasification in the mixture of H2O, H2, and TTNaab2b.llee N2. 44.. EExxppeerriimmeennttaallaarrrraannggeemmeennttoof fbibtiutumminionuosuschcahragragsaifiscifaitciaotnioinn itnhethmeixmtuixretuorfeHo2fOH, 2HO2,,Han2,daNnd2. Experimental No...