instruction stringlengths 15 21.8k |
|---|
More specifically why don't bubbles of both oxygen and hydrogen appear everywhere?
If the electricity just breaks apart bonds wouldn’t the hydrogen and oxygen just immediately turn into gas and bubble up wherever they split apart? Why does each atom wait to turn into gas until they reach a particular electrode? |
In electrolysis, why does each atom wait to turn into gas until they reach a particular electrode? |
The essence of what's going on is this:
Your equation, $dG = Vdp -SdT$, is correct, but has restrictions you don't realize. Specifically, it applies only to systems that are (a) closed (so no adding or subtracting material), (b) have only a single-component* (so no mixing, phase changes, or chemical reactions) and (... |
I had this question:
> Naturally occurring europium consists of two isotopes with a mass of 151 and 153. Europium-151 has an abundance of 48.030 and, and europium-153 has a natural abundance of 51.970. What is the atomic mass of europium? **Do not include units. Be sure to round to the correct number of significant... |
As I know, for Hydrogen atom a Slater Type Orbital (STO) equation is (I can get it from [here][1]):
\begin{equation}\label{STO}
\mathrm{STO} = \left(\frac{\zeta}{\pi}\right)^3 e^{-\zeta r}.
\end{equation}
With remark from Szabo A., Ostlund N.S. Modern Quantum Chemistry: Intro to Advanced Electronic Structur... |
How can I get analitical form of GTO primitives for a atom? |
As I know, for Hydrogen atom a $1s$ Slater Type Orbital (STO) equation is (I can get it from [here][1]):
\begin{equation}\label{STO}
\mathrm{STO} = \sqrt{\frac{\zeta^3}{\pi}} e^{-\zeta r}.
\end{equation}
With remark from Szabo A., Ostlund N.S. Modern Quantum Chemistry: Intro to Advanced Electronic Structure... |
As I know, for Hydrogen atom a $1s$ Slater Type Orbital (STO) equation is (I can get it from [here][1]):
\begin{equation}\label{STO}
\mathrm{STO} = \sqrt{\frac{\zeta^3}{\pi}} e^{-\zeta r}.
\end{equation}
With remark from Szabo A., Ostlund N.S. Modern Quantum Chemistry: Intro to Advanced Electronic Structure... |
If 30.0 ml of 0.20M Ethanol solution reacts with 1.80 g potassium permanganate, what will be the final pH of the solution? Assume a complete reaction and that only the products of the reaction contribute to the final pH. |
If 30.0 ml of 0.20M Ethanol solution reacts with 1.80 g potassium permanganate, what will be the final pH of the solution? Assume a complete reaction and that only the products of the reaction contribute to the final pH.
I am not sure what is the correct reaction so I cannot solve pH.
Is it 2KMnO4 + 3C2H5OH -> 2MnO... |
I need the miller indices of gold nanoparticles that were synthesized after the route of Turkevich and Frens. I during my research I found a lot of publications, but it looks like no one measured it before.
Has someone an idea of what the miller indices can be? Or better a source or paper where I can found them? |
How can I get analytical form of GTO primitives for a atom? |
I was always terrible with numbers and I know it's dumb to ask such a trivial question but I honestly cannot get my head around it.
According to the UK proof standard a 100 proof spirit was defined as a spirit with gravity of 12/13 that of water or 923 kg/m3 which is equivalent to 57.15% ABV.
1 liter of 57.15% AB... |
Why does a 57.15% ABV spirit (ethanol+water) have a density of 923 kg/m3? |
> If $\pu{30.0 ml}$ of $\pu{0.20 M}$ ethanol solution reacts with $\pu{1.80 g}$ potassium permanganate, what will be the final $\mathrm{pH}$ of the solution? Assume a complete reaction and that only the products of the reaction contribute to the final $\mathrm{pH}.$
I am not sure what is the correct reaction, so I c... |
What reaction is used for calculating pH of the solution obtained after ethanol oxidation with potassium permanganate? |
I am having troubles with polyenes states symmetry.
I found an exercise on the pentadien, where they ask us to analyze the symmetry of the singlet excited states corresponding to:
State S1: Π+ →Π+
State S2: Π+ →Π-
State S3: Π- →Π+
State S4: Π- →Π-
1- I would like to understand what the signs + AND _ refe... |
Why do electrons delocalise?
Delocalising is a stabilizing force in a way such that when the electron has a greater number of orbitals to move into the energy spreads over a larger area than in a single orbital as the distribution of energy in multiple orbitals brings extra stability in the system.
There is also ... |
We know that dU=δQ+δW, where d is exact derivative and δ is inexact derivative. Also, we know that exact derivatives are state functions and are path independent. How is it possible and what does it imply when we say that the sum of two inexact derivatives is an exact derivative. Is the sum of two path dependant functi... |
Why is sum of two inexact derivatives exact? |
We know that $dU=\delta Q+\delta W$, where $d$ is exact derivative and $\delta$ is inexact derivative. Also, we know that exact derivatives are state functions and are path independent. How is it possible and what does it imply when we say that the sum of two inexact derivatives is an exact derivative. Is the sum of tw... |
Thanks for answering such essential questions! Let's try to give you the proper answer.
There's not much to do, as you nearly spotted the difference by yourself : $U$ is a state function, thus is path-independant. In other terms, one can estimate it at any moment only with an initial and a final value (and express i... |
From the first law of thermodynamics, $\mathrm{d}U = đQ + đW$, where $\mathrm{d}$ represents an exact differential and $đ$ an inexact differential. Exact differentials correspond to state functions and are path-independent.
How is it possible, and what does it imply, when we say that the sum of two inexact different... |
Why is the sum of two inexact differentials exact? |
There's not much to do, as you nearly spotted the difference by yourself: $U$ is a state function, thus is path-independent. In other terms, one can estimate it at any moment only with an initial and a final value (and express it in terms of its variables only). But with $Q$ and $W$, it's different: these are path func... |
There's not much to do, as you nearly spotted the difference by yourself: $U$ is a state function, thus is path-independent. In other terms, one can estimate it at any moment only with an initial and a final value (and express it in terms of its variables only). But with $Q$ and $W$, it's different: these are path func... |
I am having troubles with polyenes states symmetry.
I found an exercise on the pentadien, where they ask us to analyze the symmetry of the singlet excited states corresponding to:
State S1: π+ →π+
State S2: π+ →π-
State S3: π- →π+
State S4: π- →π-
1- I would like to understand what the signs + AND - refe... |
What is the general phenomenon taking place here? |
I came across a question, asking to check whether the reaction is correctly balanced or not and one of the options were
PbS + 2O3 --> PbSO4 + O2
The reaction seems to be a balanced one (atoms-balanced and charge-balanced).
But my teacher told that it is not the correct balanced rxn.
The reason given to me was t... |
> Why does each atom wait to turn into gas until they reach a particular electrode?
There are no oxygen atoms or hydrogen atoms formed in the solution. There is also no "electricity" going through the solution. The processes happen at the electrodes because the cathode is able to provide electrons (to reduce hydroge... |
Can someone tell me how many structural isomers exist for 1,2 dimethyl cyclohexane ? My teacher said there is one structural isomer but i believe there arent any because there is no other way to define the structure of the above compound such that they have same molecular formula but diff structural formula.Also, we n... |
I came across a question, asking to check whether the reaction is correctly balanced or not and one of the options were:-
$$\ce{PbS + 2O3 -> PbSO4 + O2}$$
The reaction seems to be a balanced one (atoms-balanced and charge-balanced).
But my teacher told that it is not the correct balanced reaction.
The reason given ... |
> How is it possible, and what does it imply, when we say that the sum of two inexact differentials is an exact differential?
In the example at hand it means that we divide the ways we can change the energy of the system into exactly two bins. The first we call heat, and all the other ones we call work.
Heat is ... |
Can someone tell me how many structural isomers exist for 1,2-dimethyl cyclohexane? My teacher said there is one structural isomer but i believe there aren't any because there is no other way to define the structure of the above compound such that they have same molecular formula but different structural formula. Also,... |
How many structural isomers does 1,2-dimethyl-cyclohexane have? |
> My teacher said there is one structural isomer
I think you are talking about stereo isomers (i.e. same Lewis structure, different substance).
There are two ways of counting. Either you can ask "How many substances are stereo isomers of cis-1,2-dimethylcyclohexane?" Or you can ask "How many stereo isomers exist ... |
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:
https://chemistry.stackexchange.com/questions/6919/is-there-an-online-database-of-acid-and-basic-dissociation-constants
I can only find abrupt a... |
> My teacher said there is one structural isomer
I think (hope) you are talking about stereo isomers (i.e. same Lewis structure, different substance).
There are two ways of counting. Either you can ask "How many substances are stereo isomers of cis-1,2-dimethylcyclohexane?" Or you can ask "How many stereo isomers... |
> How is it possible, and what does it imply, when we say that the sum of two inexact differentials is an exact differential?
In the example at hand it means that we divide the ways we can change the energy of the system into exactly two bins. The first we call heat, and all the other ones we call work.
Heat is ... |
I wonder if a combustion engine with oxygen in air as oxidant can be net energy efficient by oxygen enriching the air before using it? This is the same as asking if the net mechanical energy output of such an engine would increase if some of its energy (mechanical or thermal, whatever is useful) is used to enrich the o... |
Is oxygen enrichment energy efficient in combustion engine? |
Is oxygen enrichment energy efficient in some combustion engine? |
I came across a question, asking to check whether the reaction is correctly balanced or not and one of the options were
$$\ce{PbS + 2O3 -> PbSO4 + O2}.\tag{R1}$$
The reaction seems to be a balanced one (atoms-balanced and charge-balanced).
But my teacher told that it is not the correct balanced reaction.
The re... |
I have previously asked this question at physics SE [here](https://physics.stackexchange.com/questions/612287/kinetic-description-of-an-autocatalytic-system) and it was suggested to post it here.
I am looking at the system:
$2X + Y \Leftrightarrow 3X $
$A \rightarrow Y$
$X \rightarrow B$
The descr... |
As I know, for Hydrogen atom a $1s$ Slater Type Orbital (STO) equation is (I can get it from [here][1]):
\begin{equation}\label{STO}
\mathrm{STO} = \sqrt{\frac{\zeta^3}{\pi}} e^{-\zeta r}.
\end{equation}
With remark from Szabo A., Ostlund N.S. Modern Quantum Chemistry: Intro to Advanced Electronic Structure... |
According to, "Energy and Materials Flows in the Production of Liquid and Gaseous Oxygen", (Shen and Wolsky, Argonne National Lab, 1980, link: https://www.osti.gov/servlets/purl/6574363), the ideal (thermodynamically reversible) amount of work to liquify nitrogen is 21,400 J/mol, or 0.21 kWh/kg (Table 12, page 17)... |
Exergonic reactions have a negative $\Delta G$: the system loses free energy. Spontaneous reactions are also defined in the same way, as far as I know. Does this mean the two are synonymous?
There are some questions (e.g. [here](https://chemistry.stackexchange.com/q/127674/87020)) asking the same question for exothe... |
Are all exergonic reactions spontaneous? |
Main differenece betweet STO's and GTO's is a $r$-expotetnt. Noralizing factor og GTO one can get from common procedure:
\begin{equation}
N^2 \int_0^\infty \left(r^{n-1}e^{-\zeta r^2}\right)^2 r^2 dr =1
\end{equation}
Of course, computation is not so simple for $n > 1$, but we can use online [WolframAlpha][1] and ... |
Main differenece betweet STO's and GTO's is a $r$-expotetnt. Noralizing factor og GTO one can get from common procedure:
\begin{equation}
N^2 \int_0^\infty \left(r^{n-1}e^{-\zeta r^2}\right)^2 r^2 dr =1
\end{equation}
Of course, computation is not so simple for $n > 1$, but we can use online [WolframAlpha][1] (cli... |
Main differenece betweet STO's and GTO's is a $r$-expotetnt. Normalizing factor of GTO one can get from common procedure:
\begin{equation}
N^2 \int_0^\infty \left(r^{n-1}e^{-\zeta r^2}\right)^2 r^2 dr =1
\end{equation}
Of course, computation is not so simple for $n > 1$, but we can use online [WolframAlpha][1] (cl... |
Main differenece betweet STO's and GTO's is a $r$-expotetnt. Normalizing factor of GTO one can get from common procedure:
\begin{equation}
N^2 \int_0^\infty \left(r^{n-1}e^{-\zeta r^2}\right)^2 r^2 dr =1
\end{equation}
Of course, computation is not so simple for $n > 1$, but we can use online [WolframAlpha][1] (cl... |
Main differenece betweet STO's and GTO's is a $r$-expotetnt. Normalizing factor of GTO one can get from common procedure:
\begin{equation}
N^2 \int_0^\infty \left(r^{n-1}e^{-\zeta r^2}\right)^2 r^2 dr =1
\end{equation}
Of course, computation is not so simple for $n > 1$, but we can use online [WolframAlpha][1] (cl... |
Acetylene has a [pKa of 26](https://www2.chemistry.msu.edu/courses/cem251/FS19_FAN/Summary_of_Reactions_of_Alkynes.pdf), I think. While that's pretty acidic ... for a hydrocarbon ... I still expect calcium acetylide (carbide) to be a very strong base indeed. Yet the NFPA fire diamond health code is just a 1, compared... |
Why isn't calcium carbide more corrosive? |
**Please edit the table to include missing data**
Avogadro constant in the "CRC Handbook of Chemistry and Physics"
| Edition | Years(s) | page | value | CODATA? |
|---------|-----------|-------|--------------|-------------------|
| 1 [(Link)](https://books.google.com/books?id=07AHIEp6vYQC&printse... |
The best current non-toxic alternative to Clerici Solution appears to be [Sodium Polytungstate][1] (SPT). It also has a neutral (~7) pH, which is important when working with aluminum. By dilution/evaporation, density covers the range $1.1\!\!-\!\!3.1$g/cm$^2$, but above $2.5$g/cm$^2$ it can develop a harmless reversib... |
The carbon in front of the parenthesis is bonded to 2 CH2 which then bonded to CH3, it cannot bond directly to CH3. I assume the correct way of writing the formula of this molecule will be CH₃CH(CH₂CH₃)₂.
However, the university lecturer says its ok to write CH₃CH(CH₃CH₂)₂ because it is a common knowledge that CH3 c... |
Acetylene has a [pKa of 26](https://www2.chemistry.msu.edu/courses/cem251/FS19_FAN/Summary_of_Reactions_of_Alkynes.pdf), I think. While that's pretty acidic ... for a hydrocarbon ... I still expect calcium acetylide (carbide) to be a very strong base indeed. Yet the NFPA fire diamond health code is just a 1, compared... |
Rare earth metals often occur clustered together in ores as well as metals of the platinum group. Platinum when mined, for instance, yields other platinum group such a Rhodium and Ruthenium. Rare earth metals such Neodymium, Samarium and Europium occur in the same minerals so much so that they are difficult to isolate... |
According to *Energy and Materials Flows in the Production of Liquid and Gaseous Oxygen* (Shen and Wolsky, [Argonne National Lab, 1980](https://www.osti.gov/servlets/purl/6574363)), the ideal (thermodynamically reversible) amount of work to liquify nitrogen is $\pu{21 400 J/mol}$, or $\pu{0.21 kWh/kg}$ (Table 12, page ... |
according to valence bond theory, bonds are formed due to the pairing of unpaired valence electrons due to the overlap of half-filled orbitals, and the strength of the bond depends on the extent of overlap.
the concept of "overlapping" sounds visually intuitive and a good qualitative explanation, but the dependence... |
what does "overlapping" of orbitals mean and why does it effect bond strength(VBT)? |
Main differenece betweet STO's and GTO's is a $r$-expotetnt. Normalizing factor of GTO one can get from common procedure:
\begin{equation}
N^2 \int_0^\infty \left(r^{n-1}e^{-\zeta r^2}\right)^2 r^2 dr =1
\end{equation}
Of course, computation is not so simple for $n > 1$, but we can use online [WolframAlpha][1] (cl... |
Main differenece betweet STO's and GTO's is a $r$-expotetnt. Normalizing factor of GTO one can get from common procedure:
\begin{equation}
N^2 \int_0^\infty \left(r^{n-1}e^{-\zeta r^2}\right)^2 r^2 dr =1
\end{equation}
Of course, computation is not so simple for $n > 1$, but we can use online [WolframAlpha][1] (cl... |
I hope this question belongs in here; I cannot think of any other better place to ask it.
Which kind of material is used in dichroic halogen bulbs to attach the bulb itself to the reflector and keep it in there? Looks to me like a ceramic or some kind of terracotta, but I wish to know the exact kind and if it is ava... |
Which ceramic-like material is used in halogen MR16, GU5.3 and so on bulbs? |
For [Lithium STO-3G][1] basis set
BASIS "ao basis" PRINT
#BASIS SET: (6s,3p) -> [2s,1p]
Li S
0.1611957475E+02 0.1543289673E+00
0.2936200663E+01 0.5353281423E+00
0.7946504870E+00 0.4446345422E+00
Li SP
0.6362897469E+00 -0.999... |
For [Lithium STO-3G][1] basis set
BASIS "ao basis" PRINT
#BASIS SET: (6s,3p) -> [2s,1p]
Li S
0.1611957475E+02 0.1543289673E+00
0.2936200663E+01 0.5353281423E+00
0.7946504870E+00 0.4446345422E+00
Li SP
0.6362897469E+00 -0.999... |
[![enter image description here][1]][1]
This is how I did I the numbering for this question. Taking all the functional groups in principal chain but my sir did this way .
[![enter image description here][2]][2]
[1]: https://i.stack.imgur.com/QjAjW.jpg
[2]: https://i.stack.imgur.com/6DoTp.jpg
In my teachers an... |
Finding a reaction pathway thanks to Gaussian calculations is tricky exercise requiring a lot of resources for each step of this time-consuming process. Thus, man needs to wonder if each calculation has to be performed or not in order to gain as much time and resource as possible.
After achieving a 3-step mechanist... |
Gaussian calculation - PCM model for IRC compared to gas phase? |
Option 2 is the most scientific and rigorous. You should re-run the IRC in solvent again because the reaction path **can** be different from what you got in the gas phase.
Now, **will** it be different in solvent? Unless you are dealing with some exotic system, different reaction path with implicit solvation is unli... |
I am looking for some advice regarding PSD & how this can be affected by grinding a tablet.
During an assay by HPLC, the method requires grinding of a tablet before dissolving in order to extract the API into solution. Of the tablet, the API is only 0.5% m/m of the tablet. I have been told that over grinding the tab... |
How can over grinding lead to reduced API extraction in HPLC analysis? |
Let's first assign rate constants to each reaction for completeness:
1) $\ce{2X + Y <=>[k_1][k_{-1}] 3X}$
2) $\ce{A ->[k_2] Y}$
3) $\ce{X->[k_3] B}$
Then let's consider what's happening overall. A is converting to Y, Y is converting to X, and X is converting to B:
$\ce{A ->[k_2] Y <=>[k_1X^2][k_{-1}X^2... |
I am looking for some advice regarding particle size distribution (PSD) & how this can be affected by grinding a tablet.
During an assay by HPLC, the method requires grinding of a tablet before dissolving in order to extract the active pharmaceutical ingredient (API) into solution. Of the tablet, the API is only 0.5... |
The question actually relates to Titanium piercings. Per Wikipedia on the topic of [Body Piercing Materials](https://en.wikipedia.org/wiki/Body_piercing_materials), to quote:
>Titanium body jewelry is often manufactured in either commercially pure grades 1 to 4, grade 5 TI6AL4V alloy or grade 23 Ti6AL4V ELI alloy.... |
For the record, elemental iodine does not displace chloride!
Per [an educational source](https://www.flinnsci.com/api/library/Download/276267f4675548e9ad8122f2062864ee), for example, to quote:
>These reactions will take place in one direction only. The reaction of a halogen X2 with a different sodium halide (NaY... |
For the record, elemental iodine does not displace chloride!
Per [an educational source](https://www.flinnsci.com/api/library/Download/276267f4675548e9ad8122f2062864ee), for example, to quote:
>These reactions will take place in one direction only. The reaction of a halogen X2 with a different sodium halide (NaY... |
I'm trying to react succinic anhydride with a decyl alcohol to produce mono-decyl succinate. Literature and Google searches suggest that the monoesterification should proceed without catalyst. However I'm failing to get the reactions going. Reactions were in reflux, 80C-140C @ 1atm.
Any suggestions if anhydride este... |
Before I start this question, I am aware tha
1. Electrons in all molecules are delocalized to some extent
2. Delocalization is a the phenomenon and resonance is an attempt to explain it.
When I asked this question from my professor, this is the explanation he gave me:
> In VBT, it is difficult to approximate... |
Why does delocalization (only) occur in molecules represented by resonance hybrids? |
I want to evaluate some chemistry related formulas, which I don't understand.
In proteins, hydrogen bonding often occurs between the oxo group = O oxygen of one amino acid and the α-amino group (N − H) of another amino acid.
The bond energy is determined by the distance between oxygen and hydrogen and by the angle ... |
For the record, elemental iodine does not displace chloride!
Per [an educational source](https://www.flinnsci.com/api/library/Download/276267f4675548e9ad8122f2062864ee), for example, to quote:
>These reactions will take place in one direction only. The reaction of a halogen X2 with a different sodium halide (NaY... |
For the record, elemental iodine does not displace chloride!
Per [an educational source](https://www.flinnsci.com/api/library/Download/276267f4675548e9ad8122f2062864ee), for example, to quote:
>These reactions will take place in one direction only. The reaction of a halogen X2 with a different sodium halide (NaY... |
For the record, elemental iodine does not displace chloride!
Per [an educational source](https://www.flinnsci.com/api/library/Download/276267f4675548e9ad8122f2062864ee), for example, to quote:
>These reactions will take place in one direction only. The reaction of a halogen X2 with a different sodium halide (NaY... |
The answer to this question is actually pretty interesting, I think. @user55119 's comment that the principal chain is the cyclohexane ring is correct -- but it seems like you understand that that's what the teacher is saying, and you're asking, "why?" The best short answer, too, is imho in your comments: @MaxW 's "n... |
I stumbled on [Vertex Pharmaceuticals - Wikipedia](https://en.wikipedia.org/wiki/Vertex_Pharmaceuticals).
> It was one of the first biotech firms to use an explicit strategy of [rational drug design](https://en.wikipedia.org/wiki/Drug_design "Drug design") rather than [combinatorial chemistry](https://en.wikipedia.... |
How does Combinatorial Chemistry differ from Rational Drug Design? |
If the answer is no, then I don't understand the adjective "Combinatorial". Barring decompositions, aren't the [five main types](https://akwebclass.blogspot.com/2019/10/chemical-reaction-types.html) of chemical reactions combinatorial? You must combine at least two reactants for a reaction!
[![enter image descripti... |
Is Combinatorial Chemistry related to combinatorics in math? |
### Total entropy and Gibbs energy:
An alternative view on the Gibbs energy may help to get some insight:
$$\Delta S_{sys} + \Delta S_{surr} = \Delta S_{tot} = -\frac{\Delta G}{T}$$
The second law of thermodynamics tells us that a process is spontaneous only if the total entropy $S_{tot}$ does not decrease. The ... |
I'm trying to react succinic anhydride with a decyl alcohol to produce mono-decyl succinate. Literature and Google searches suggest that the monoesterification should proceed without catalyst. However I'm failing to get the reactions going. Reactions were in reflux, $\pu{80-140 ^\circ C}$ at $\pu{1 atm}$.
Any sugges... |
The reactants were treated with $\ce{NaOH} $. How the product here obtained. Can you show me the reaction mechanism for this. I found this is somewhat reverse of Aldol Condensation. But how?[![enter image description here][1]][1]
[1]: https://i.stack.imgur.com/XEHDm.png |
In the hydration reaction that is addition of H2O , in the presence of (H.B.O/T.H.F/H2O2), where no rearrangement takes place,
Why does H is placed on more hindered C atom and OH on less hindered C atom ? |
The relationship is commonly expressed as:
$$pK_a + pK_b = pK_w = 14$$
or
$$K_a * K_b = 10^{-14}$$
This holds because
$$K_a = \frac{[H^+][A^-]}{[HA]}$$
$$K_b = \frac{[OH^-][HA]}{[A^-]}$$
$$K_aK_b = \frac{[H^+][A^-]}{[HA]}\frac{[OH^-][HA]}{[A^-]}=[H^+][OH^-]=K_w=10^{-14}$$
$K_w$ is the autoionization... |
Why does the $pK_a$ - $pK_b$ relationship hold when $K_w$ holds for the autoionization of water? |
According to the UK proof standard, a 100 proof spirit was defined as a spirit with gravity of 12/13 that of water or 923 kg/m<sup>3</sup> which is equivalent to 57.15% ABV.
1 liter of 57.15% ABV spirit contains 571.5 cm<sup>3</sup> ethanol and 428,5 cm<sup>3</sup> water. If the densities of ethanol and water at 20&... |
Why does a 57.15% ABV spirit (ethanol+water) have a density of 923 kg/m^3? |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.