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4 votes
1 answer
673 views

How do I remove tetrabutylammonium perchlorate from an organic synthesis?

I am trying to remove tetrabutylammonium perchlorate (TBAP) from an organic synthesis where TBAP was used as an electrolyte. I am working with compounds containing the amide group. I have used flash ...
Stressed Chem's user avatar
2 votes
2 answers
2k views

Matching the NMR to a compound

I was given a molecule that I had to identify the NMR of. The molecule is 2-methylpent-1-ene (shown below): The correct NMR spectra for this molecule is: My question is, why is this the right ...
Dave's user avatar
  • 29
3 votes
1 answer
2k views

How does PEDOT:PSS work (mechanism) in Organic Electrochemical Transistors?

I have a question about the fairly fundamental theory behind the application of PEDOT:PSS in an organic electrochemical transistor (OECT) device. As at least I understand it, the ...
Daragh Fogarty's user avatar
21 votes
2 answers
644 views

Some materials emit more photoelectrons than others - why?

I've been experimenting with some materials by changing the wavelength of the incident light on the material and detecting photoelectrons, like in the diagram below: I might get a response that looks ...
Tomi's user avatar
  • 590
-3 votes
1 answer
47 views

Balancing simple Redox equation [closed]

How would you balance these two redox equations? Would you add a '2' in front of Pt2+ and a '2' in front of H+ ?
billy's user avatar
  • 11
13 votes
1 answer
9k views

Cyclic Voltammetry - HOMO and LUMO levels

I'm a physicist, so I apologize if these are obvious questions. I've carried out CV measurements on a few different types of material (with a ferrocene reference). I am interested in determining the ...
Tomi's user avatar
  • 590
-3 votes
1 answer
73 views

Water side-reactions in organic electrochemistry (redux) [closed]

(note: this is a reposting of part of my original post which I was told had too many questions in one post) Please bear with me as I am a chemistry newbie, but I am autistic and have recently ...
Dangus McFinghin's user avatar
1 vote
1 answer
342 views

Chemisorption vs Physisorption?

What is the fundamental difference between chemical adsorption and physical adsorption. Why do some compounds chemisorb and others physisorb?
Sharky's user avatar
  • 11
1 vote
1 answer
126 views

Electrochromic properties of ethyl viologen

I came across this article on electrochomic displays. It mentions Ethyl Viologen as an electochromic chemical. I would like to attempt an experiment to showcase it's electrochomic properties but don't ...
Ava's user avatar
  • 113
4 votes
0 answers
1k views

An alternate purification process for sugar separation form bee honey?

Bee honey contains 75% sugars (Fructose, Glucose, Maltose, Sucrose and others), some water and low amount of different compounds (up to 5%) Wiki. Basic purification is done by addition of phosphoric ...
Jaroslav Kotowski's user avatar
1 vote
0 answers
139 views

Supersaturated conversion of sodium acetate utilizing electricity

Is it possible to use electricity to take crystallized sodium acetate back to a supersaturated solution?
Johnny V's user avatar
0 votes
1 answer
480 views

Why don't B, C, Si, have ionic forms? [closed]

Also, why can some elements such as $\ce{Fe}$ have different ionic forms such as $\ce{Fe^{2+}}$ and $\ce{Fe^{3+}}$? What determines each form?
user17338's user avatar
  • 195
5 votes
1 answer
2k views

Voltage vs current density - why are both parameters important to control an electrochemical reaction?

In many electrochemistry scholarly articles/studies they talk about certain specific reactions occurring at certain voltage potentials, while in other articles they talk about current density as the ...
Sirozian's user avatar
5 votes
1 answer
230 views

Thought Experiment: Applying a high frequency high voltage to methane

I am in the process of constructing a kitchen waste digester (vegetable/fruits) from which, hopefully, over time adequate methane may be collected to burn. The digester won't be complete for several ...
Everyone's user avatar
  • 904

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