What chemical reaction is described by this equilibrium expression? [ C a ] 2 [ O 2 ] [ C a O ] 2 1.. What is the definition of the "equilibrium constant"? Write the equilibrium constant expression for the following reaction: Pb^2+ (aq) + 2I^- (aq) <--> PbI2(s) 2. Consid...
Which substance functions as the electrolyte in an automobile battery? A) \ PbO_2\\ B) \ PbSO_4\\ C) \ H_2SO_4\\ D) \ H_2O What applications does water potentially have based on its chemical and physical properties? What element is used most often for bleaching?
What is Lead? If you were talking to an alchemist from hundreds of years ago, they'd tell you that they were using a heavy metal called lead (Pb) to try and make gold. Yep, some of the leading minds in history tried to use lead to make gold. Suffice it to say, they all failed...
百度试题 结果1 题目A4 What is the chemical formula of lead(II) sulphate?Apakah formula kimia bagi plumbum(II) sulfat? A. PbSO4 B. Pb(SO4)2 C. Pb2SO4 D. Pb(SO4)4 相关知识点: 试题来源: 解析 A 反馈 收藏
Sodium cyanoborohydride is a chemical compound with the formula Na[BH3(CN)]. It is a white powder, but commercial samples can appear tan. The salt tolerates aqueous conditions. There are many methods for synthesizing sodium cyanoborohydride, such as hydrocyanic acid and sodium borohydride as raw...
Question: What is the chemical formula for "Ferrous Ferrocyanide"? To be honest, I don't even know the correct formula for Prussian blue. There are so many formula for PB, some of which has potassium included. Moreover, "Turnbull Blue" has similar kind of formula adding more confusion...
Imipenem (N-formimidoylthienamycin monohydrate) is a crystalline derivative of thienamycin, which is produced by Streptomyces cattleya. Its chemical name is (5 R,6S)-3-[[2-(formimidoylamino)ethyl]thio]-6-[( R)-1-hydroxyethyl ]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid ...
What_is_green_chemistry 绿色化学 2.WhatIsGreenChemistry?Contents 2.1Definition2.2WhyIsGCGettingSoMuchAttention?2.3WhyShouldChemistsPursuetheGoalofGC?2.4BarrierstointroducingGC ECNU 2.1Definition GreenchemistryEnvironmentallybenignchemicalsynthesisAlternativesyntheticpathwaysforpollutionpreventionBenignbydesign Anastas...
And the chemical formula is Pb(OH)2·2PbCO3.We know air contains hydrogen sulphide(H2S),which can react with white lead and generate lead sulfide(PbS). Lead sulfide is black, so white lead has a peoperty,that is,it slowly becomes black in air.翻译成中文就是：铅白是一种在...
What is Solder Flux (Soldering Flux)?Solder flux is a kind of chemical used in Automatic PCB Assembly and Hand Soldering. It is basically used to clean surface of PCB before soldering process. It helps to clean and remove oxides and other impurities and thus helps in wetting....