化学方程式线上! 高级搜索 NH4Cl(aq)+KOH(aq)→KCl(aq)+NH3(aq)+H2O(l) 这是酸碱反应(中和反应):NH4Cl是酸,KOH是碱. 反应物: 产物:
Compound states [like (s) (aq) or (g)] are not required. You can use parenthesis () or brackets []. How To Balance Equations Balance any equation or reaction using this chemical equation balancer! Find out what type of reaction occured. Read our article on how to b...
KOH+H2SO4→KHSO4+H2O 氯化钾和硫酸可 在高温下反应,生成硫酸氢钾和氯化氢气体。KCl+H2SO4→KHSO4+HCl 液态的硫酸氢钾会被喷洒到空中,在空中它冷却并凝固成固态的硫酸 nh4cl水解离子方程式 nh4cl 水解离子方程式 化学方程式是 NH4Cl+H2O=可逆 NH3·H2O+HCl,离子方程式是 NH+ +H2O=可 逆 NH3·H2O+H+. 1、...
②HCl(aq)+NaOH(s)=NaCl(aq)+H2O(l)△H=b kJ•mol﹣1,氢氧化钠固体溶于水时放出大量的热量,所以反应放出的热量大于57。3kJ; ③HNO3(aq)+KOH(aq)=NaNO3(aq)+H2O(l)△H=c kJ•mol﹣1,HNO3、KOH为强酸与强碱,其稀溶液发生中和反应的热效应:H+(aq)+OH﹣(aq)=H2O△H3=﹣57.3kJ/mol; ...
A.KOH B.H2O2 C.CH3COONa D.NH4Cl 免费查看参考答案及解析 题目: [选择题] 如图所示,是某同学鉴别NH4HCO3、NH4Cl、KCl三种化肥的过程,其中试剂甲、乙分别可能是( )A. 甲:熟石灰,乙:稀盐酸 B. 甲:水,乙:氢氧化钠溶液C. 甲:氢氧化钠溶液 乙:水 D. 甲:稀盐酸,乙:氯化钠溶液 免费查看参考答案及解析...
What is the final volume after diluting 2.50 mL of an 8.00 M KOH solution to give a 2.00 M KOH solution? What is the molarity of a solution made by diluting 53.18 mL of an 18.7 M ammonia solution with enough water to form 838 mL of solution?...
B.NaOH(aq)+HCl(aq)=NaCl(aq)+H2O(l) △H<0C.2H2(g)+O2(g)=2H2O(l) △H<0该原电池的负极是通入___(填“氢气”或“氧气”)的一极。②以KOH溶液为电解质溶液,依据所选反应设计一个原电池,其负极反应式为___。③电解原理在化学工业中有着广泛的应用。如图所示电解池中,a为NaCl溶液,X和Y是...
Compound states [like (s) (aq) or (g)] are not required. You can use parenthesis () or brackets []. How To Balance Equations Balance any equation or reaction using this chemical equation balancer! Find out what type of reaction occured. Read our article on how to balance chemical equati...
A. H2SO4(aq)+2NaOH(aq)=Na2SO4(aq)+2H2O(l)△H1=aKJ•mol-1 B. HNO3(aq)+KOH(aq)=KNO3(aq)+H2O(l)△H2=bKJ•mol-1 C. HCl(aq)+NH3•H2O(aq)=NH4Cl(aq)+H2O(l)△H3=cKJ•mol-1 D. H+(aq)+OH-(aq)+1212Ba2+(aq)+1212SO42-(aq)=1212BaSO4(s)+H2O(l)△H4=dKJ...
②HCl(aq)+NaOH(s)=NaCl(aq)+H2O(l)△H=b kJ•mol﹣1,氢氧化钠固体溶于水时放出大量的热量,所以反应放出的热量大于57.3kJ; ③HNO3(aq)+KOH(aq)=NaNO3(aq)+H2O(l)△H=c kJ•mol﹣1,HNO3、KOH为强酸与强碱,其稀溶液发生中和反应的热效应:H+(aq)+OH﹣(aq)=H2O△H3=﹣57.3kJ/mol; ...