百度试题 题目Hydrochloric acid A.is an enzymeB.creates the acid condition within the stomachC.is found in the intestinal tractD.all of these相关知识点: 试题来源: 解析 B
The article discusses the supply shortfall of hydrochloric acid (HCl) in the U.S. as of February 2012. It examines the situation in fall 2011 where HCl consumers were looking for additional vendors of the acid to keep operations going. It describes the experience of Detrex Chemicals where ...
apoured into A. The contents of B are returned to the sep funnel, along with[translate] apoured down the drain. The benzene layer is poured into A. The sep funnel[translate] athis purpose, some hydrochloric acid is needed. Hardware stores usually[translate]...
In Lewis theory, a Lewis acid is an electron pair acceptor Occasionally, an acid can be both a Bronsted and a Lewis acid, while sometimes a Lewis acid would not necessarily be a Bronsted acid Answer and Explanation: 1 Become a Study.com member to unl...
The purpose of this study was to examine whether hemoperfusion using polymyxin B (PMX) immobilized column improves hydrochloric acid (HCl)-induced lung injury. Rats weighing 350 g underwent hemoperfusion for 30 min at a flow rate of 120 ml/h after the intratracheal instillation of hydrochloric ac...
6-Vinylfulvene II has been prepared (a) by the action of hydrochloric acid on 1-hydroxymethyl-spiro-[2,4]-hepta-4,6-diene (I), (b) by condensation of cyclopentadiene with acroleine at 15° C using sodium ethylate as base. M Neuenschwander,D Meuche,H Schaltegger - 《Helvetica Chimica...
原题:300 ml of 8 M Hydrochloric acid is placed in a beaker.The chemist determines that this concentration is too great for the experiment and decides to dilute this acid solution with 1,200 ml of water.What is the final concentration of the hydrochloric acid now?(Recall:M1V1=M2V2) 经过...
is a covalent pound which exists as molecules. When hydrogen chloride is dissolved in water hydrogen chloride is ionized to give hydrogen ion and chloride ion. However the solution is known as hydrochloric acid but not hydrogen chloride. HCl(g) + aq → H^+(aq) + Cl^-(aq)
As an acid, sulfuric acid reacts with most bases to give the corresponding sulfate. For example, copper(II) sulfate. This blue salt of copper, commonly used for electroplating and as a fungicide, is prepared by the reaction of copper(II) oxide with sulfuric acid:CuO + H2SO4 → CuSO4 +...
求翻译:It is known that hydrochloric acid is a solution of hydrogen chloride in water. It is usually是什么意思?待解决 悬赏分:1 - 离问题结束还有 It is known that hydrochloric acid is a solution of hydrogen chloride in water. It is usually问题...