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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、氢氧...
C) Justify why this is a redox reaction. For the following reaction, identify the oxidizing agent and the reducing agent: 2Na(aq) + 2H2O(l) 2NaOH(aq) + H2(g). Find the oxidizing agent and reducing agent for the oxidation-reductio...
Rhodium (III) chloride trihydrate (RhCl3·3H2O), formaldehyde solution (HCHO, 37%), sodium hypochlorite (NaClO), bisphenol A (BPA), phosphotungstic acid (H3[PW12O4]), graphite powders, potassium hydroxide (KOH), sodium hydroxide (NaOH), potassium permanganate (KMnO4), sulfuric acid (H2SO4,...
[9], and the solution was treated with HCl to precipitate silicon-containing species as SiO2; addition of CaCl2·2H2O and FeCl3·6H2O at pH 11.5 (fixed using NaOH) led to the formation of a pre- cipitate, that was submitted to treatment under microwave (MW) radiation in a Milestone ...
E.500mL0.1mol·L-1NaOH与等体积的0.2mol·L-1HCl组成的溶液 点击查看答案 手机看题 单项选择题 由NH3·H2O与NH4Cl组成的缓冲溶液,下列何种情形缓冲能力最强() A.C(NH3·H2O)/C(NH4Cl)>1 B.C(NH3·H2O)/C(NH4Cl)<1 C.C(NH3·H2O)/C(NH4Cl)1 D.C(NH3·H2O)/C(NH4Cl)1,且都较大 点击查看...
In some foam-type fre extinguishers, the treactants are Al2 (SO4)3 (aq) and NaHCO3 (aq). T=When the extinguisher is activated, these reactants are allowed to
HCl(g) + NaOH (s) ---> NaCl (s) + H2O (l) ? s reaction= ___ Joules/K*mol Calculate the standard entropy change for the reaction 2Na(s)+Cl2(g) 2NaCl(s) using the data from the following table: Substanc...
NaHCO3溶于水有下列平衡,HCO3-+H2O→H3O++CO32---(1)HCO3-+H2O→H2CO3+OH---(2)(1)+(2)得2HCO3-→H2CO3+CO32-该反应的K为()(已知H2CO3的K1=4.3×10-7,K2=5.61×10-11) A、2.0×10-1 B、4.3×10-7 C、5,61×10-11 D、1.3×...
更多“完成下列大气中H2S的去除反应式:H2S+()→H2O+SO2()+H2SS→→H2O+·SHSH”相关的问题 第1题 害虫发生期的预测,主要预测害虫某一虫态出现的()期;()期;()期,以便确定防治最适时期。 点击查看答案 第2题 大气污染的主要污染物有()、()、()、()、()等。 点击查看答案 第3...