Net flow of electrons from MNet flow of electrons from to solute solute to m .Ef more negative than Eredox more positive than Eredox more cathodic more anodic

Q: What Experiment is This? Excitation Name of experimenttype of excitation time

Desired voltage achieved by anode cathode stacking cells (in series) Fuel reformer Natural gas, alcohol

UME's- Advantages Reduced capacitance Low ir drop

General Approach to Electrochemical Experiments Identify assumptions Ditusion- ass tran sort +Identify suitable boundary conditions Solye linear diffusion equation (Fick's 2nd law -use Laplace transtorm

Junction potentials Whenever we change electrolyte or solvent there is a cost in that we create a double layer (electrode)which has a small but often measureable potential We call this potential a junction potential

The Economic Case for Electrochemical Innovation New Horizons in Electrochemical Science and Technology. National Academy Press: Washington, D.C., 1986. copyright P.A.Mabrouk, 2001. All rights

一。病毒形态构造和化学组成 (一I病毒的大小

7.1概述元素定量分析是对有机化合物中所含元素进 行含量测定,分析化合物的组成。 一般元素定量分析,主要测定有机化合物的 常见组成元素,如碳、氢、氮、硫、磷、卤 素等。氧的百分含量通常不直接测定,而是 在测得其它所有元素的含量后,从100%减去 这些数值得到

通过官能团检验确定未知物含有哪些官能团 ,并确定官能团在分子结构中的相互联结方 式