Questions tagged [reference-request]
This tag is for questions looking for a single specific, or a small number of (citable) references.
357
questions
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1answer
55 views
Are there any free phosphorus-31 NMR spectral libraries?
I know that there are some sites like Sigma Aldrich and AIST for $\ce{^1H}$ NMR and $\ce{^13C}$ NMR, but was wondering if there were any free sites to compare $\ce{^31P}$ NMR spectra?
1
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1answer
42 views
Properties of inconel [closed]
I am doing a project on the physics of the spaceX raptor engine. I believe it is made out of a certain type of inconel alloy. I want to understand why this alloy has the properties that it does, but I ...
1
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1answer
60 views
Synthesis of the tetrachloroaluminate(III) anion
Looking for random chemicals, I found a reference on the anion and thought that it could be synthesised from common laboratory reagents:
$$
\begin{align}
\ce{2 Al + 2 NaOH + 2 H2O &-> 2 NaAlO2 ...
1
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1answer
71 views
Can oxygen gas in air react with Mn3O4 to form MnO2?
I think $\ce{MnO2}$ at high temperature can be used as a catalyst for $\ce{SO2 + O2 -> SO3}$:
$$
\begin{align}
\ce{MnO2 + SO2 &-> MnSO4}\tag{1}\\
\ce{3 MnSO4 &-> Mn3O4 + SO2 + 2 SO3}\...
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1answer
73 views
Is there any book or text where ionic radius of elements are given?
So my research has me looking for ionic radius characterization. If anyone could post any link or give the name of any book where ionic radius of all elements are given that would be really great?
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1answer
102 views
Cerium (CeO) behavior in Glass Polishing?
I am basically working in semiconductor industry and I specifically taking care of CMP (Chemical Mechanical Polishing). We did polish glass (borosilicate type of glass) and we are using slurry (which ...
1
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1answer
305 views
Where can I find the standard molar entropy for ammonium bicarbonate?
I'd like to know the standard molar entropy S0solid for ammonium bicarbonate to use in an example in class, to calculate ΔS0 for the reaction, NH4HCO3(s) → NH3(g) + H2O(g) + CO2(g).
Already checked: ...
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1answer
421 views
Where can I find (citable) FTIR spectra of CuCl and CuCl2?
I can't seem to find any published/citable infrared (FTIR) spectra in the 4000-400 cm-1 range of CuCl and CuCl2. Does anyone know of a source available, either free or paid?
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1answer
39 views
Does anyone have information about Piquet and Calitet (chemists)?
I was given a set of names of chemists to research and one of them was actually a duo that I understand to have been French chemists (at least their last names suggest it). I have queried and queried ...
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1answer
4k views
Which metals hydroxides dissolve in excess NH4OH?
Some metal hydroxides like $\ce{Ag(OH)}$ and $\ce{Cu(OH)2}$ dissolve in excess $\ce{NH4OH}$ to form metal ammonia complexes.
I want to know which other common metal hydroxides dissolve in excess $\ce{...
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1answer
186 views
Potassium Metavanadate Synthesis
I am looking to synthesize potassium metavanadate. Possible precursors that I have are $\ce{V2O5}$ and $\ce{NH4VO3}$.
I have considered the following procedure:
Combine $\ce{V2O5}$ and $\ce{KOH}$ ...
1
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1answer
905 views
Oil :water partition coefficients
Is there a database or a website with a list of oil : water partition coefficients of substances ?
I actually want the oil:water partition coefficients of :
cholesterol, starch , methyl citrate , ...
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0answers
27 views
Free on-line dissociation constants
Is there a decent on-line source for dissociation constants for acids and bases as CRC alternative?
This chemistry stackexchange old answer no longer has valid links:
Is there an online database of ...
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0answers
22 views
Molar conductivities of aqueous electrolytes at 1 M
In the following table from the CRC Handbook, molar conductivities of aqueous electrolytes are given for concentrations from infinite dilution to 0.1 M. However, I am looking for values at 1 M, and I'...
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0answers
38 views
Concentration of sulfur in turbid solution
I recently participated in an experiment where I need to calculated the reaction orders and the reaction constant of the reaction:
$$\ce{8 Na2S2O3(aq) + 16 HCl(aq) -> S8(s) + 8 SO2(g) + 16 NaCl(aq) ...
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0answers
30 views
“Good” properties of transparent conducting oxides
I'm a computer scientist and I'm trying to figure out which are the key properties that define a “good” acting transparent conducting oxide (TCO) in order to consider several possible features to ...
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0answers
21 views
Reference for molecular orbital theory [duplicate]
I am studying electron collision with molecules, and came across with notation like this $\left(\mathrm{B}^{1} \Sigma_{u}^{+}, \mathrm{c}^{3} \Pi_{u}, \mathrm{a}^{3} \Sigma_{g}^{+}, \mathrm{C}^{1} \...
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0answers
29 views
Industry Standards of Polymer Leeching Measurement [closed]
I am a research assistant currently researching the leaching of polymers the byproducts of the reaction of ethanol and wood coating from wood billets into water and I'm at a crossroads with my ...
1
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1answer
109 views
Book Recommendation for Molecular Orbital Theory [duplicate]
I posting my question here since I have seen similar questions but I haven't found the specific answer I am searching for. I am seeking textbook recommendations on Molecular Orbital Theory with ...
1
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0answers
39 views
Photoluminescence Spectra of Solids
What information can we gain with the photoluminescence spectra of solids? The bandgap can be determined for example, but are there any other useful properties we can learn? I care about this in the ...
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0answers
38 views
What is the activation energy of a Daniell cell?
I'm having trouble finding a posted literature value for the activation energy for the Daniell cell redox reaction:
$$\ce{Cu^2+ + Zn -> Cu + Zn^2+}$$
Where might I be able to find this ...
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0answers
254 views
Literature value for the activation energy of the reaction between hydrochloric acid and sodium bicarbonate
Does anybody have the literature value for the activation energy of the reaction between hydrochloric acid and sodium bicarbonate? If yes, could you please cite the source for it and the value?
I ...
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0answers
73 views
Thermochemical data for thiocyanatoiron(III) ion
I am currently writing a lab report about the formation constant of $\ce{FeSCN^2+}.$ All I could find online was a formation constant at $\pu{25 °C}$ $(890),$ which was 70% higher than the ...
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0answers
223 views
Explanation for the reaction of gold and iodine(iii) solution
The Experiment
A few days ago I saw a video of dissolving gold in the condition of $\ce{ICl3/HCl(aq)}$. In the video, $\ce{ICl3(s)}$ is added to a test tube, followed by adding conc. hydrochloric acid....
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0answers
38 views
Water replacement for pressure-testing [closed]
Due to circumstance, our Data Centre build has some delays and it currently looks like we're going to have to perform a hydrostatic test of our sprinkler system with live computers in it.
As I have ...
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0answers
125 views
How to dissolve PLA/PCL/PMMA?
I have a research about electrospun membrane synthesis where I dissolve PLA pellets in chloroform:methanol (3:1) for 3 hours and also PCL pellets in chloroform:methanol (3:1) for 3 hours too. Another ...
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0answers
31 views
Determining the composition of basic copper sulfate by titrimetry
A colleague shared an undergraduate level classical gravimetry/titrimetry experiment on determining the stoichiometry of basic copper sulfate. I am looking for a reference for this type of experiment. ...
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0answers
359 views
Solubility product constant of copper(II) bromide in water
One of the questions from chegg.com mentions $K_\mathrm{sp}(\ce{CuBr2}) = 6.3\cdot 10^{-10}$, but I suspect this value might be incorrect.
Could anyone confirm or refute that $K_\mathrm{sp}$ value?
...
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0answers
56 views
Bond dissociation energy calculation
I am looking for methods to determine the dissociation free energy in a precise way, ideally from a simulations. My hope is to get the most precise values possible that are specific to the structure ...
1
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0answers
136 views
Does Raney nickel deprotect acetals?
I know that Raney nickel can deprotect thioacetals. Can it deprotect acetals as well?
I found this image which shows that it deprotects and removes many protecting groups. But there was no reference ...
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0answers
46 views
Which of these chlorides is more reactive? [duplicate]
We do learn that for $\mathrm{S_N1}$ reaction the rates are tertiary > secondary > primary > methyl. The reasons mentioned are usually inductive and hyper-conjugative effect.
But which of the ...
1
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1answer
45 views
What is a good resource for learning about the intermolecular bonding in water beyond high school? [closed]
I'm writing a paper for school on boiling water at various temperatures and pressures, but only noting cases wherein high temperatures were achieved without boiling under low pressure (metastable ...
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0answers
99 views
Does CF3COOH undergo decarboxylation ? Why or why not? [closed]
Does $\ce{CF3COOH}$ undergo decarboxylation ? Why or why not?
Attempt:
I feel it should decarboxylate because $\ce{CF3-}$ carbanion must be stable due to fluorine's -I (electron withdrawing) ...
1
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0answers
37 views
Readings about chiral resolutions at the undergraduate level
Does anyone know of a resource which clearly explains the scientific theory and experimental methods involved in chiral resolutions?
I have access to the American Chemical Society, Tetrahedron, ...
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0answers
226 views
How close are we to building an actual nanobot? [closed]
I want to know how far current nanotechnology is from creating an actual real-world nanorobot? Also, does such a thing actually exist, or is it just a nice name for an umbrella term to show off to the ...
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0answers
53 views
What's the most trusted source for bond lengths? [closed]
I'm doing some computational work and am manually inputting Z-matrices for the molecule (no GUI support for my program). For this, I need bond lengths:
I tried Herzberg's book
I tried a basic ...
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0answers
95 views
Where can I find a downloadable database of basic physical and chemical properties?
The web has many online databases of properties of compounds locked behind search interfaces, but I can't find anything you can actually download.
I want a corpus of data that might allow me to, say, ...
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0answers
66 views
What are some notable results from the field of mathematical chemistry?
I recently found that there is actually a small field of research called mathematical chemistry. It seems that a lot of the research done in this field focuses on graph-theory as applied to chemistry, ...
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0answers
18 views
What is a good undergraduate bioorganic chemistry book? [duplicate]
What is a good undergraduate bioorganic chemistry book? I would like one of these as I'm tired of non-university books on the subject.
1
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1answer
702 views
Energy levels database
Does anybody know where to find a database for atomic and molecular energy levels, with the corresponding energy values for each level? It would be needed just for small molecules. I tried the NIST ...
1
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0answers
77 views
Where can I find the standard enthalpy of formation for Sodium Cyanamide (Na2NCN)?
I am trying to find the standard enthalpy of formation for sodium cyanamide. Ive looked on various databases that list data about specific compounds but I can't find anything on this particular one. ...
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0answers
59 views
Pharmaceutical grade phosphoric acid
I am looking for a specification for pharmaceutical grade phosphoric acid.
1
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0answers
26 views
Shock induced illuminated material [closed]
Any suggestions for a shock induced material that would illuminate and be capable of being visible for a minimum of three seconds? Non-toxic and minimal heat production would be optimal.
1
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0answers
559 views
High quality phase diagram for ethanol
I know the more general question has been asked here:
Open Database of Phase Diagrams?
And this has a link to slightly more specific question with more answers:
Phase diagram for first 10 elements
...
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0answers
705 views
reference or data on internal hydrogen bond strength
As suggested by the title, I am looking for data on the strength of different internal hydrogen bond configurations. In general, an internal hydrogen bond may form when the donor and acceptor are ...
1
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0answers
52 views
Density g/cm3 of bleached viscose
I can find in literature what the density is for untreated viscose, but not for viscose that is bleached. Does this change the density? And what is the density for bleached viscose?
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0answers
39 views
Good resource for chemical equivalence
I need a good resource that explains the concept of chemical equivalence and its various application in physical chemistry. I have not found anything worthwhile from a Google search.
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0answers
139 views
Height of potential barrier
Could anyone please help to find the height of the potential barrier between silver and copper or $\ce{Ag-Cu}$. I am working on a piezo-resistive sensor based on copper fabric and silver electrodes. I ...
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0answers
91 views
TiO2 nanotube application in cement [closed]
I am perparing for a presentation on the application of TiO2 nanotubes in cement which is a recent topic in cement chemistry. Do you happen to have any papers (or know of any accessible on Internet) ...
1
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1answer
58 views
What are the currently most accurate sources for lists of the values for elemental properties
I have a hopefully simple question. I am a tutor working with a student that wants to know where to find the most recent accurate measurements for elemental properties. He's only in Chemistry I, so he'...
