Balance CH3OH + Na = CH3 + NaOH Using Inspection Balance CH3OH + Na = CH3 + NaOH by inspection or trial and error with steps. Step 1: Count the number of each element on the left and right hand sides Reactants (Left Hand Side)Products (Right Hand Side) ...
2NaVO3+ SO2+2H2SO4=2VOSO4+ Na2SO4+2H2O. Enter the amount of any of the substances to determine the ideal amounts to maximize the theoretical yield of the reaction. To find the limiting and excess reagents when a non-ideal amount of each substance is used, y...
【题目】燃料电池是利用燃料(如H2、CO、CH4、CH3OH、NH3等)与O2反应从而将化学能转化为电能的装置。 (1)燃料电池(NaOH作电解质溶液)的正极电极反应式为__。 瑞典ASES公司设计的曾用于驱动潜艇的液氨液氧燃料电池示意图如图所示,有关说法不正确的是(___) A.电池工作...
解答:解:A.电荷不守恒、转移电子不守恒,离子方程式为2Na+2H2O═2Na++2OH-+H2↑,故A错误; B.二者反应生成碳酸钾、氨气和水,离子方程式为NH4++2OH-+HCO3-=CO32-+NH3↑+2H2O,故B错误; C.负极上甲醇失电子发生氧化反应,离子方程式为CH3OH+8OH-=6e-+CO32-↑+6H2O,故C错误; ...
CH3NH2(aq) + H2O(l) arrow CH3NH3+(aq) + OH-(aq) Identify the conjugate acid-base pairs in the following reaction. For each pair, label both the acid and the base. H_2O + CH_3NH_3 <-> + CH_3NH_2 + H_3O Identify the...
8.下列大小顺序排列完全正确的组合是 ( ) ①气态氢化物的稳定性:HF>NH3>PH3 ②熔点:Na>C3H8>CH3OH ③离子半径:K+>Ca2+>S2- ④相同温度.相同浓度的溶液中水的电离程度:NH4Cl>CH3COOH>HCl A.①④ B.①② C.②③ D.③
机译:IrIII {C(CHCO2Et)(dppm)2-κ4的合成和晶体结构PCCP} ClH Cl·2.75CH2Cl2及其衍生物IrIII {C(CHCO2Et)(dppm)2-κ4PCCP}(CH2CO2Et)Cl Cl·CH3OH·0.5H2OIrIII {C(CHCO2Et)(dppm)2-κ4PCCP} Cl2 Cl·CH3OH·2H2O和IrIII {C(CHCO2Et)(dppm)2-κ4PCCP}(CH2CO2Et)(CO) Cl2·2CH2Cl2·...
下列大小顺序排列完全正确的组合是 ①气态氢化物的稳定性:HF>NH3>PH3 ②熔点:Na>C3H8>CH3OH ③离子半径:K+>Ca2+>S2- ④相同温度.相同浓度的溶液中水的电离程度:NH4Cl>CH3COOH>HCl A.①④ B.①② C.②③ D.③④
One can predict if a reaction would form a precipitate by following the solubility rules. These rules list the solubility of ionic solids in water. Answer and Explanation: To determine the solubility of these compounds in water, we can refer to the ...
下列反应的离子方程式正确的是 A.甲醇.氧气和氢氧化钾溶液组成的燃料电池的负极反应: CH3OH+6OH--6e-=CO2↑+5H2O B.在NaHSO4溶液中加Ba(OH)2溶液至中性:H++SO42-+Ba2++OH-=BaSO4↓+H2O C.过量氨水与AlCl3溶液反应:Al3++4NH3·H2O=AlO2-+4NH4++2H2O D.向饱和NaCl溶