The pressure of the furnace gases in the continuous furnace equipment is 4-6 times higher than in batch furnaces. The aim of the present study was to investigate the effect of the redox conditions of melting fu
The concentration of [H+] and concentration of [OH−] of a 0.1 aqueous solution of 2% ionised weak acid is [Ionic product of water =1×10−14] A2×10−3M and 5×10−12M B1×103 and 3×10−11M C0.02×10−3M and 5×10−11M D3×10−2M and 4×10−13MSubmit The...
Calculate the pH of 10−2NCa(OH)2 View Solution Calculate the [H⊕] and [ΘOH] of 0.0315g of HNO3 in 500mL of water. Calculate pH and pOH also. View Solution The pH of pure water at 25∘C and 35∘C are 7 and 6, respectively. Calculate the heat of formation of water fro...
In order to reach the equilibrium condition as show in Eq. (79) again, a certain amount of water molecules will dissociate into H3O+ and OH- ions. Thus, the total ionic number concentrations of both H3O+ and OH- ions can be expressed as (80a)∫0HnH3O+dy=nH3O+0H+Nd (80b)∫0H...
Phase changes in binary systems of poly(ethylene glycol) dodecyl ethers, C 12 H 25 (OC 2 H 4 ) x OH (x=5, 6 and 8) with water have been studied between 40 ... B Andersson,G Olofsson - 《Colloid & Polymer Science》 被引量: 59发表: 1987年 Cold crystallization of poly(ethylene ...
In order to decrease the concentration of water in a solution, we have two approaches that can be taken. The first of these is to evaporate water from...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer...
the leaching system is in chemical equilibrium and there is no net mass transfer to the aqueous phase. In the laboratory, this may be achieved if pulverized material is equilibrated in a fixed amount of water. At the field site, equilibrium-based leaching occurs when water (e.g., ground wa...
curves showedagoodlinearity in theBPAconcentrationrange of 1.0~100.0 μg/L. The correlation [...] chrom-china.com chrom-china.com 双酚A在1～100 μg/L范围内线性关系良好(r=0.9993);在3个添加水平下,回收率为85.3%～96.1%,相对标准偏差小于10%;通过不断稀释加标浓度确定方法的检出限(信噪比为3)为...
As water miscible organic co-solvents are often required for enzyme reactions to improve e.g., the solubility of the substrate in the aqueous medium, an enzyme is required which displays high stability in the presence of this co-solvent. Consequently, it
(9) in dimensionless form with the help of dimensionless space and time variables {η, τ}, as (105)∂C∂τ+Pe(u−1−215β*)∂C∂η/Pe=1Pe2∂2C∂(η/Pe)2+∂2C∂y2. The longitudinal diffusion term (first term of R.H.S. of the above equation), whose effect...