All Questions
45,359
questions
2
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1
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60
views
What type of interaction in a π-complex?
From Beyer-Walter Lehrbuch der Organischen Chemie, 24. Ed., P.72:
We have Ethene interacting with an electrophile $X^+$ with 2 different options:
The short living formation of an π-complex, where ...
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-4
votes
0
answers
13
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I am looking for Iron III sulfate or ferric sulphate inventory data for production process [closed]
I can't find any research paper or article that tells me the inventory data like electricity usage and output information to produce Ferric Sulphate.
0
votes
0
answers
17
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What is the Best Transition State Search Method
I want to find transition states (TS) on the potential energy surface (PES) of small/medium reactions with sinle-ended methods. For example the reaction network from here. I've been looking at ...
- 1
0
votes
0
answers
47
views
Why can't ethyne form hydrogen bonds in water?
I was recently taught about hydrogen bonding and I learnt that a hydrogen atom attached to fluorine, nitrogen, oxygen or a sp-hybridized carbon (EN = 3.25) can get into a hydrogen bond with another ...
- 273
-2
votes
1
answer
36
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radioluminescence elementary reactions [closed]
Step One.$^3_1H\rightarrow^3_2He+e^{-}+v_e^{-}$
or Step Two.$e^{-}+ZnS:Cu\rightarrow ZnS:Cu+h\nu?$
or Step Two if you used ZnS:Ag instead. $e^{-}+ZnS:Ag\rightarrow ZnS:Ag+h\nu?$
$h\nu$ means light.
Do ...
- 97
1
vote
0
answers
16
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Gaussian Program Error for Linear Triatomic Molecule
I am trying to calculate the Hessian and vibrational frequencies of OCS (and eventually some anharmonic properties) with Gaussian09. However, the program always fails and I end up with the following ...
- 111
0
votes
0
answers
38
views
Sodium zincate reaction
does adding zinc chloride into the solution of sodium zincate formed by the reaction of zinc chloride and excess of sodium hydroxide form the precipitate of zinc hydroxide ? I mean does sodium zincate ...
- 1
-1
votes
0
answers
24
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Negative Open Circuit Potential with Large Magnitudes [closed]
I am currently trying to analyze the OER performance of a catalyst using a 3-electrode setup. Usually I do the following: I connect the electrodes to the potentiostat THEN I turn on the potentiostat. ...
-3
votes
0
answers
33
views
Partial charge of carbonyl oxygen in alkylamides - dependence on alkyl group [closed]
I am trying to understand, between acetamide, propionamide and butyramide, which compound has greater/weaker electronegative oxygen in their respective carbonyl groups.
It is known that alkyl groups ...
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-6
votes
0
answers
23
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Can we really create machine same as plants that produces oxygen? [closed]
If we can create machine like plants that absorbs carbon dioxide and converted to oxygen. Maybe we can save the ozone layer.
0
votes
1
answer
88
views
Why reaction rate has to be necessarily positive?
I read in my book that negative rates do not have any significance.
Can't we interpret negative rate simply as decrease in concentration of reactant?
What's wrong with that and why do we put an ...
-1
votes
0
answers
42
views
Reaction of ethyne cyclohexane with excess of hydrogen bromide
I have a question in my chemistry workbook, and the solution to the question is different from what I think it is.
The question is what is the product of the reaction between 1-cyclohexyl-1-propyne ...
2
votes
1
answer
171
views
Will electrolysis hydrolyze esters?
I'm doing some electroplating. Now, I want to know which components of my electroplating solution are being expended as I go about electroplating. I needed a wetting agent/surfactant & decided to ...
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-3
votes
0
answers
38
views
Why is silicon dioxide a network solid while sulfur dioxide is a molecular gas
In my understanding sulfur dioxide’s Lewis structure has one lone pair on the centre atom (sulfur) with one pi bond to each oxygen atom, while silicon cannot form these silicon-oxygen pi bonds. Both ...
- 59
-3
votes
0
answers
29
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Does a critical fluid only have to be at or can it be above critical volume?
I was looking at some p(V) Diagrams and was unsure what was above the critical Point? Because if T or P increase, it stays supercritical, but what happens if I increase Vm?
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