Questions tagged [reference-request]

This tag is for questions looking for a single specific, or a small number of (citable) references.

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197 views

Density and concentration of hydroiodic acid [closed]

I weighted my hydroiodic acid sample: 25 ml weight 34.1 g, so the density is about 1.364 g/ml. I want to know its concentration based on density. Does anyone have the corresponding density chart?
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1answer
321 views

How strong is 2,4,6-trinitrobenzenesulfonic acid?

What is pKa or Hammett's function of 2,4,6-trinitrobenzenesulfonic acid? PubChem gives pKa=0.13, but doesn't specify the solvent. Even if it's real value I doubt it's a value for water. Why? Because ...
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2answers
562 views

The unit of energy, 1 dm³ atm, is equal to how many calories?

I surfed through the internet and visited a number of chemistry websites but only in vain. I couldn't find an answer. Please help! Your quick response will be appreciated.
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1answer
49 views

How to properly model a mechanochemical reaction of barium titanate and copper(II) complexes?

I would like to understand, in terms of chemical kinetics, how I could equate the reaction rate between $\ce{BaTiO3}$ and copper(II) complexes under ultrasound effect. Examples in literature would be ...
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1answer
388 views

Reference on Pople basis set

I need to write reference on 6-311++g(d,p) basis set in my work where I used it on atoms of I-II periods. Does anyone know where it was first published?
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2answers
169 views

Do auto-catalytic aromatic compounds capable of forming self-replicating molecules exist?

I want to know are there any aromatic compounds able to catalyze their own synthesis? Do aromatic compounds with molecules capable of self-replication exist? P.S.I'm looking specifically for ...
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2answers
165 views

Density of plutonium oxide

I am trying to find the mass density $\rho$ of plutonium dioxide, $\ce{PuO2}$. I could calculate it, but the mass density of oxygen found in the literature is the density of gas oxygen. So I was ...
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1answer
53 views

What is the density of sodium trimethylsilylpropanesulfonate (DSS)?

I tried to look for the density of sodium trimethylsilylpropanesulfonate (DSS) online but could not find anything. Perhaps someone here measured it/knows where it may be found?
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296 views

How can iodine oxidise hydrogen peroxide?

The following is mentioned in NCERT (government textbook in India used in all schools) under chemical properties of $\ce{H2O2}:$ (iv) Reducing action in basic medium $$\ce{I2 + H2O2 + 2 OH- -> 2 I-...
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1answer
55 views

Typical reaction yield for combustion of hydrogen [closed]

I am writing an essay on the chemistry of rocket fuel, and I was wondering what, if any, would be a commonly accepted value for the actual yield of the reaction between hydrogen, $\ce{H2},$ and oxygen,...
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2answers
93 views

Studying Chemistry [duplicate]

I know this is a silly statement to say, but I really want to excel in Chemistry. The thing is, I forgot numerous things from elementary Chemistry such as introduction to basic stoichiometry. Do you ...
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1answer
649 views

A good textbook to balance chemical equations?

Is there any good textbook which after reading it I would be able to balance almost any chemical equation in inorganic chemistry?
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1answer
74 views

Polymers which are miscible in oil

Can someone suggest me a list of polymers or some paper where I may find polymers that are soluble in oils like silicon oil, mustard oil, coconut oil, bean oil or petroleum ether, etc.?
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1answer
329 views

Water and Ethanol Vapor Phase diagram for specific range

I am looking for a Vapor Phase diagram for Water and Ethanol where Ethanol would be from 0 to 5%. The diagrams I have found are for Ethanol concentrations of 0% to 100% and this doesn't allow me ...
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1answer
482 views

where can I find experimental compressibility factor values?

I am interested in experimental compressibility factors for various gases, such as methane and carbon monoxide. Not only for standard pressures and room temperature, but in a range from 1 to a few ...
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1answer
35 views

Six independent papers reporting epitaxial formation of silicene in 2012

According to a Nature news article cited below (info-box "The rise of silicone"), six independent papers were published reporting successful epitaxial formation of silicene. Does anyone know which ...
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2answers
188 views

Need a pair of compounds that is similar in formula but different in structure

I would like to explain chemical formulas is not representable in terms of the molecular structure of the compound. Any good suggestions of examples?
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2answers
291 views

Monomers and polymers

At Wikipedia a monomer is defined to be a molecule that may bind chemically to other molecules to form a polymer. A polymer is defined to be a molecule composed of many monomers. These ...
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1answer
874 views

Does the outcome of aromatic nitrations depend on the concentrations of nitric acid and sulfuric acid?

I came across a few equation and observed that when concentration of the $\ce{HNO3}$ and $\ce{H2SO4}$ with benzene ($\ce{C6H6}$) or its derivative varied the product changed. I did not perform any ...
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1answer
38 views

Where to find Atmospheric data for various cities [closed]

Hi im searching for atmospheric data on the following: Air quality, Dust Particle Concentration, Pollution, Average Temperature etc for various cities such as ...
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1answer
37 views

How does the Hammett acidity function work and how to calculate it for [H2SO4] = 1,830? Any references?

I'm modelling the concentrations in the Belousov Zhabotinsky reaction. For this model, I need to convert [BrO3-] to [HBrO3]. I discovered in several papers that the following correlation applies: $$ [\...
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1answer
121 views

Who came up with C1V1 = C2V2? [closed]

I was wondering if there is an original scientific publication showing why $C_1V_1 = C_2V_2$ works. Or perhaps, who described/used it first?
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1answer
68 views

Database for experimental diatomic ionization energies

I am looking for a database, in which the experimental ionization energies (and e.g. heat of formation) of atoms and diatomic molecules are listed as files. If it comes with a Python package, that ...
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1answer
129 views

How to distinguish mass concentration and density?

I am writing a proof where I have to mention both with density and of a material and mass concentration (mass/volume) of a material. I am using the letter $\rho$ to represent density, and I didn't ...
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1answer
130 views

How to synthesize tetrabutyl titanate from titanium dioxide powder?

How do you synthesize tetrabutyl titanate $(\ce{[CH3(CH2)3O]4Ti})$ from titanium dioxide ($\ce{TiO2}$) powder? As I know, we can get $\ce{TiO2}$ from tetrabutyl titanate, but how can we do the ...
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1answer
59 views

Thermal oxidation of gold(I) sulfide

As far as I know the chemistry of $\ce{Ag}$ and $\ce{Au}$ are almost the same; because $\ce{Ag}$ belongs to the 4d series and $\ce{Au}$ belongs to the 5d series, we know the size of 4d and 5d are ...
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1answer
345 views

What are some good references on conductometry as an analytical technique?

Non of the standard undergraduate textbooks in analytical chemistry (such as Skoog, Harris) discusses conductometry as an analytical technique. I wonder whether this technique is obsolete. Or is it ...
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1answer
319 views

In ionic solids such as NaCl, do the cations fill interstital holes in the cation's cubic close pack structure? [duplicate]

Are binary ionic solids like $\ce{NaCl}$ comprised of a cubic close packed structure of the anions with the cations filling interstital holes or do the cations and the anions contribute to the cubic ...
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1answer
101 views

Plastic: Reputable Publications

I would just like some reputable textbooks and or publication companies that have extensive research on plastics, as, for example, dealing with life cycles of plastics, degradation factors, effect on ...
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0answers
15 views

Where can I find literature values for standard molar enthalpies of neutralization?

I'm looking for enthalpy of neutralization literature values for inorganic weak acids. NIST, PubChem, etc. don't list them. Is there somewhere else I should look?
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41 views

Questions About an Appropriate Textbook on Electrochemistry for Self-Study

Apologies if this is a somewhat frequent request (I promise I did scour various sources before posting, but none quite applied to me), but I was hoping for some insight from the community regarding an ...
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0answers
69 views

What is “activated red phosphorus”? What made it so long to be discovered?

[WP = white phosphorus ; RP = red phosphorus ; ARP = activated red phosphorus] Tom from Extraction & Ire did a video two years ago(2018) on converting WP to RP by keeping the former in sunlight ...
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0answers
43 views

Has mercury(II) cyanate ever isolated as a free compound?

Recently, I have answered a question "Comparing explosive properties of mercury(II) cyanate and mercury(II) fulminate" where stability of cyanate vs fulminate was discussed. While I was ...
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0answers
37 views

Reference for Hammett acidities of dilute H2SO4?

When $\ce{H2SO4}$ is dissolved in water in little amounts ($<\pu{1M}$), the $\mathrm{pH}$ scale can be used to measure the acidity of the solution. However, in larger concentrations, this breaks ...
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0answers
89 views

Visualization of all hcp voids

There are 12 tetrahedral voids and 6 octahedral voids in hcp unit cell but I can't find any image that can show all tetrahedral voids and all octahedral voids in hcp unit cell (the common picture in ...
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1answer
235 views

Diborane reduction

I am stuck at a step in reduction of alkene using $\ce{B2H6}.$ I assume that step 1 is the addition of borane to alkene. After that a water molecule attacks $\ce{-BH2},$ it being a Lewis acid. ...
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0answers
91 views

Looking for experimental data for titration curves

I am looking for real, open source and free experimental dataset (not image, scan of table) of acid/base titration curves: pH versus titrant volume for many combination (strong/weak acid/base, ...
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0answers
132 views

is there a database of known chemical reactions? [duplicate]

I am looking for a complete directory of chemical reactions. It should be searchable by element or substance and also the various factors (pressure, temperature, catalyst, etc) should be mentioned. Is ...
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0answers
92 views

Successful predictions of MO software?

There have been many successful predictions of MO software. Is there a website or journal dedicated to recording them all?
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0answers
44 views

Introduction to ball tumbler chemistry?

Chemistry that takes place in a ball tumbler is distinctly different from aqueous chemistry. Is there a good introduction to this method?
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1answer
149 views

Kb values of N,N-dimethylaniline derivatives [closed]

I need the $K_\mathrm{b}$ values for ortho-, meta- and para- positions of the following compounds: I've looked and couldn't find them anywhere.
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1answer
62 views

What is the reaction mechanism of a selective catalytic reaction with urea?

What is the reaction mechanism of the following reaction: $$\ce{4NO + 2(NH2)2CO + O2 -> 4N2 + 4H2O + 2CO2}$$ I expect that the catalyst is vanadium oxide and titanium oxide. Where can I find a ...
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1answer
31 views

What is the electron configuration of platinum?

Some textbooks write the electron configuration for platinum (Pt) as $\ce{[Xe] 4f^14 5d^9 6s^1}$. However, some also write it as $\ce{[Xe] 4f^14 5d^8 6s^2}$. Which is correct? I hope someone can help ...
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1answer
5k views

Molecular structure of all periodic table element molecules exceptional cases etc [closed]

I am searching about some basics in chemistry. I was looking for the molecular structure of all periodic table element molecules. eg: Hydrogen molecule: as $\ce{H2}$; structure: I was able to find out ...
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1answer
225 views

What is the molar extinction coefficient of azorubine (carmoisine, E 122)

I'd be grateful for the molar extinction coefficient ε of azorubine at the absorption maximum (about 520 nm), with an authoritative reference.
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1answer
184 views

References for studying Winkler's method and CO2 estimation by APHA method

What are the best sources to study and understand Process (reactions involved) Calculation of Winkler's method and APHA method for CO2 estimation?
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1answer
155 views

Entropy change of evaporating NaCl [closed]

What is $\Delta S$ for this process? $$\ce{NaCl(s) -> NaCl(g)}$$ (A reference that I could quote would be ideal.)
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1answer
26 views

Source for medium quantities of salts [closed]

Where are good sources for medium quantities (10-1000kg) of chemicals, particularly salts? For quantities <10kg, I know of lots of options from lab suppliers (Sigma Aldrich, Alfa Aesar, etc). ...
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0answers
35 views

Reference for Voltage of Galvanic Cell versus Temp. data request

Due to COVID-19, I am unable to collect data for my chemistry lab report. My teacher has tasked me to find data for the relationship of temperature and voltage of a galvanic cell, or I could do an ...
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1answer
65 views

Which resources teach spectrum analysis of NMR and IR spectra? [duplicate]

I’m looking for a textbook that can teach me NMR and IR spectrum reading and analysis. I really don't understand how to read the spectra or how to analyse them.

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