a SiH2Cl2 + b H2O = c SiH4 + d HCl + f O2 Step 2: Create a System of Equations Create an equation for each element (Si, H, Cl, O) where each term represents the number of atoms of the element in each reactant or product. Si: 1a + 0b = 1c + 0d + 0f H: 2a...
The stoichiometric mole ratio of SiH2Cl2 and H2O for a maximum theoretical yield is 1:2, which will yield SiO2, H and Cl in a ratio of 1:2:1. If you combine 101.007g (or 1 moles) of SiH2Cl2 (molar mass = 101.007 g/mol) and 36.031g (or 2 moles) of H2O (molar mass =...
遇水水解生成盐酸和聚硅氧烷(SiH2O)4。可溶于苯、醚和四氯化碳。与碱、乙醇、丙酮起反应。即使接触小量卤素或其它氧化剂也会发生激烈反应。与三烷基胺、吡啶形成加成化合物。与三氟化锑反应生成氟硅烷。 5.毒性 有毒气体范围:>0.25ppm 嗅觉浓度:～1ppm 刺激性浓度:～10ppm 最高容许浓度:0.5ppm(2mg/m3) ...
遇水水解生成盐酸和聚硅氧烷(SiH2O)4。可 溶于苯、醚和四氯化碳。与碱、乙醇、丙酮起反应。即使接触小量卤素或其它氧化剂也会发生激烈反应。与三烷基胺、吡啶形成加成化合物。与三氟化锑反应生成氟硅烷。 毒性 有毒气体范围: 0.25ppm 嗅觉浓度: ～1ppm 刺激性浓度: ～10ppm 最高容许浓度:0.5ppm(2mg/m3) ...
解析 【解析】26.(1)N√aCl+H_2SO_4(H_2)^△NaHSO_4+H HCl:;难挥发性(2)D、B;CaCl2(或其他合理答案);尾气处理并防止H2O(g)进入B中(3)Si+2HCl=(250°C∼260°C)/(C_a)SiH_2CI_2(4) SiCl_4 、 SiHCI_3 、SiH3Cl(任写2个)(每空2分) ...
施以强烈撞击时也会自行分解。在湿空气中产生腐蚀性烟雾。遇水水解生成盐酸和聚硅氧烷(SiH2O)4。可溶于苯、醚和四氯化碳。与碱、乙醇、丙酮起反应。即使接触小量卤素或其它氧化剂也会发生激烈反应。与三烷基胺、吡啶形成加成化合物。与三氟化锑反应生成氟硅烷。
工业上常用天然气为主要原料通过湿法重整或干法重整制备合成气,反应原理如下:_方法原理i .CH4(g)+H2O(g)==CO(g)+3H2(g) △H1=+206 kJ· mol-'湿法重整j.CH4(g)+2H2O(g)==CO2(g)+4H2(g) △H2=+165 kJ ·mol-'. CO(g)+H2O(g)==CO2(g)+H2(g) △H3=-41 kJ ·mol-'+法重整...
H2OZnSO4 PrBaCo2O6 CH3C(OH)CH2 KInO2 GeNH Recently Calculated Molar Masses Find the Molar Mass of Dichlorosilane, SiH2Cl2Step-by-Step There are 4 easy steps to find the molar mass of SiH2Cl2 based on its chemical formula. 1. Count The Number of Each Atom ...
(SiH2O) 4. Soluble in benzene, ether and carbon tetrachloride. With a base, ethanol, acetone from the reaction. Even a small amount of halogen or other oxidants contact also occurs violent reaction. With a trialkyl amine, pyridine addition compound is formed. Reaction with antimony trifluoride...
【答案】2SiHCl3+3H2O(HSiO)2O+6HCl114220.02及时移去产物改进催化剂提高反应物压强(浓度)大于1.3【解析】(1)根据题目表述,三氯氢硅和水蒸气反应得到(HSiO)2O,方程式为:2SiHCl3+3H2O=(HSiO)2O+6HCl。(2)将第一个方程式扩大3倍,再与第二个方程式相加就可以得到第三个反应的焓变,所以焓变为48×3+(-...