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3 votes
1 answer
157 views

Electrolysis of benzyl alcohol in methanol

I am conducting following electrochemical experiment on Au wires in organic medium: I suppose the anodic reaction goes through a benzaldehyde intermediate: The cathodic reaction is hydrogen ...
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 ...
1 vote
1 answer
155 views

Standard electrode potentials

I know that many substances have their own standard electrode potential and they can be arranged in he electrochemical series. For example, the standard electrode potential of iron is -0.440V. Since ...
2 votes
0 answers
45 views

Why is sodium p-toluenesulfonate used as a supporting electrolyte in polypyrrole synthesis?

First, some preamble: I'm currently working on my thesis, which is about the electropolymerization of polypyrrole onto carbon fiber felt. My methodology, for the most part, follows a paper by one of ...
4 votes
1 answer
194 views

Methods for immobilization of DNA on gold surfaces?

I've been looking for methods for immobilizing 5'-Thiol modified dsDNA on gold slides. Most of what I've come across suggests using DTT followed by a desalting step or using TCEP. However, I haven't ...
0 votes
0 answers
618 views

How do longer chains and more cis-double bonds affect melting point and viscosity of fatty acids?

In fatty acids, longer chains increase the melting point (and viscosity) by increasing London dispersion forces. Inversely, more double bonds decrease the melting point. What happens when both chain ...
2 votes
0 answers
59 views

Are there any chemistry research classification systems?

There are research classification systems for mathematics (MSC) and physics (PACS and subsequently PhySH) which help the researchers to navigate through codes composed by letters/numbers made by ...
0 votes
0 answers
284 views

Table of viscosity of water vs temperature

Above is the table for water physical properties table with temperature related with a,v,b,Pr,Ra factor. This table has temperature only from 0 to 100. May I ask if there is a full table for this with ...
1 vote
1 answer
107 views

Cannizzaro reaction via electrolysis

As cannizzaro reaction reaction is a redox reaction carried by adding base to an aldehyde, is it possible to carry out the reaction using electrolysis where graphite anode and copper cathode is used. ...
1 vote
0 answers
53 views

Calculating the electric potential of a fruit battery

In a fruit battery, if I am using a reactive metal electrode for the cathode but the cathode reaction is the reduction of the hydrogen ions (in the acid of the fruit), how can the type of the cathode ...
-2 votes
2 answers
603 views

What is the essence of chemistry? [closed]

I am an engineering student who loves physics but didn't quite enjoy chemistry. a. When I was in high school chemistry to me was something not as inspiring as physics but in which I couldn't solve ...
0 votes
0 answers
356 views

About the acidity of phenytoin

Can you explain why phenitoin is weak acid even though nitrogen is base? Does carbonyl group always make structure acid? If this structure doesn't have carbonyl group, would it be base not acid?
1 vote
0 answers
68 views

phenolsulphonic acid

Phenolsulfonic Acid( PSA) is produced after sulphonation of Phenol at around 100 degrees. They use this product in tinplating. Once a stable PSA is formed after sufficient reaction , unreacted ...
3 votes
1 answer
83 views

Carboxyllic acid Test

I'm currently in high school doing a project in chemistry. So I had to make a project where concepts from physical chemistry will be used alongside organic chemistry. After going through my book I ...
-1 votes
1 answer
169 views

Why can't two 3° free radicals combine?

In Kolbe Electrolysis, my teacher told that when a 1° or 2° free radical is used, we get alkanes through dimerisation. Why wont dimerisation occur for a 3° one??

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