Which repeating unit for poly lactic acid (PLA) is correct, picture 1 or picture 2? and I read somewhere that in polymerization, acids give $\ce{OH}$ and alcohol gives $\ce{H}$, creating water. According to this explanation, picture number 2 is correct but I have seen on websites like Wikipe...

In nearly every textbook about physical chemistry or electrochemistry, the authors mention, that the Galvani potential of a half-cell, i.e. the potential difference between an electrode and the electrolyte, is defined as follows: Equality of the electrochemical potentials between the two phas...

About This userscript gives users some quick key bindings to speed up the process of editing mathjax/chem/etc. into posts. Example usage: (the hotkeys are customizable!) Pressing Alt+Shift+P would insert \pi directly. Pressing Alt+R would insert \mathrm{} with the caret auto-placed in the mid...