HCl + Mg = ClMg + H ReactantsProducts H 1 1 ✔️ Cl 1 1 ✔️ Mg 1 1 ✔️ Since there is an equal number of each element in the reactants and products of HCl + Mg = ClMg + H, the equation is balanced. Balance HCl + Mg = ClMg + H Using Inspection The ...
Net Ionic Equation The balanced net ionic equation includes only species that are involved in the reaction. It can be found by removing ions that occur on both the reactant and product side of the complete ionic equation. 2H+(aq)+ Mg(s)= Mg2+(aq)+ H2(g) ...
在给定条件下,下列选项所示物质间转化均能实现的是( ) A. C(焦炭)SiO高温CO2CaCO3 B. MgO(s)HClagMgCl2(aq)电解Mg(s) C.
Write the total ionic and the net ionic equations for the following: 3H_2 (g) + 2AuCl_3 (aq) \to 6HCl (aq) + 2Au(s) Write the balanced molecular, total ionic, and net ionic equation for Ni(NO_3)_2+NaOH. Net ionic equation of ZnSO4+Sr(OH)2. ...
酸催化下氢化偶氮苯重排得到4,4-二氨基联苯 (benzidine)和2,4-二氨基联苯的反应。 反应机理 反应实例 【Org. Lett.2006,8, 4919-4922】 【Org. Lett.2007,9, 3185-3186】 EtOH (2 mL) and five drops conc HCl were added to6(100 mg, 0.21 mmol), at r.t.The mixture was refluxed for 2 h,...
NNHNHCl(aq) D. MgCOMgClMg 相关知识点: 试题来源: 解析 [答案]C [解析] 试题分析:二氧化硅与盐酸不反应,故A错误;二氧化硫与水反应生成亚硫酸,故B错误;氮气与氢气合成氨气,氨气是碱性气体,氨气与氯化氢能生成氯化铵,故C正确;电解熔融氯化镁生成Mg,故D错误。 考点:本题考查常见元素化合的转化。
15、元素周期表中有三组元素:Li与Mg、Be(铍)与Al、B与Si的单质及其化合物很多理化性质相似,称为“对角线规则”。由此判断下列说法不正确的是 A.Li2CO3受热分解生成Li2O和CO2 B.Be、BeO和Be(OH)2既能与NaOH(aq)反应又能HCl(aq)反应 C.单质硼的熔沸点高、硬度大,属于原子晶体 ...
Magnesium metal is added to 15.7M hydrochloric acid and reacts according to the following balanced equation: Mg(s) + 2 HCl(aq) MgCl2 (aq) + H2(g) a. What mass of magnesium will react with 8.5 liters of 0.7 M hydrochloric acid? 15.95X10^-3mol/2=2. How many moles of h...
S点燃H2S04 5在给定条件下,下列选项所示的物质间转化均能实现的是 A. △饱和石灰水NaHCO2(s)→Na2CO3(s)NaOH(aq B. NaOH(ag)过量HCl(ag)Al(s)NaAlO,(ag)A1(OH)3(s) C. 氨水蔗糖(aq)AgNO(aq)Ag(NH ](ag)Ag(s) D. AlHC1(aq)Fe,O;(s)Fe(s)FeCl(aq)温 ...
HCl(aq) Mg→Al ③ Mg—Al NaOH(aq) Al→Mg ④ Al—Cu HNO3(浓) Cu→Al 根据以上表格内容回答: (1)实验①中Mg作___(填“正极”或“负极”),发生___(填“氧化反应”或“还原反应”)。 实验③中Mg作___(填“正极”或“负极”),总反应的离子方程式为:___。 (2) 实验②中Al电极上的电极反应...