HClO4:优级纯,天津鑫源化工有限公司。 KCl、NaCl、CaO、MgO:光谱纯,天津市科密欧化学试剂有限公司。 钇标准储备溶液:1 000 mg/L,国家有色金属及电子材料分析测试中心。 灰岩标准样品: (1)标准物质编号为GBW 03106a,中非地质工程勘查研究...
KCl + MgO → MgCl2+ K2O 复合系数摩尔质量摩尔(克/摩尔)重量(克) 反应物 氯化钾氧化镁 KCl274.5513 MgO140.3044 产品 氯化镁氧化鉀 MgCl2195.211 K2O194.196 这个计算器将确定反应的限制试剂。 Instructions To calculate the limiting reagent, enter an equation of a chemical reaction and press the Start butt...
KCl + MgO → K2O + MgCl2 复合系数摩尔质量摩尔(克/摩尔)重量(克) 反应物 氯化钾氧化镁 KCl274.5513 MgO140.3044 产品 氧化鉀氯化镁 K2O194.196 MgCl2195.211 这个计算器将确定反应的限制试剂。 Instructions To calculate the limiting reagent, enter an equation of a chemical reaction and press the Start bu...
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In laboratory tests, as-received high-duty and superduty fire-clay brick and 70% alumina brick treated with KCl-K 2 CO 3 mixtures showed no peeling at a temperature of 1600掳F. Cracks were found in high-duty brick that were treated with KCN at 1500掳F. under partially reducing ...
Additionally, it was noteworthy that the performance of the physical mixing catalysts showed different catalytic performance, due to different mole ratio of K2O and KCl. Though K2O and KCl were the main active components, there is a huge difference between the physical mixing catalysts and the ...
KClO4 ---> KCl + 2O2 assign oxidation states to each element on each side of the equation. Identify the oxidation numbers in this reaction: B2O3 (s) + 2Cu3N (s) \rightarrow 2B (s) + 3Cu2O (s) + N2 (g) Determine the oxidation number of C in C2O4. What are the oxidation...
Classify these compounds as ionic or covalent: a) \ KCl \ b) \ Ca(NO_3)_2 \ c) \ CBr_4 \ d) \ AlBr_3 \ e) \ Br_2 \ f) \ NO_2 \ g) \ NH_3 \ h) \ NaNO_2 Name the following binary covalent compounds: 1. NO2 2. PBr3 What compound contains both ...
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Based on experiments and DFT studies, CeO2-TiO2 catalyst was found to be deactivated by KCl or K2O, and the poisoning effect of K2O was more serious than that of KCl. The characterization results showed that compared with KCl, K2O could lead to a greater decrease in surface acidity, ...