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AbhigyanC
AbhigyanC
2:52 AM
Are there any mathematical models of chemistry the way there is a mathematical model of physics?
In the sense that it can predict results of chemical reactions the way physics models are able to predict the results of a physical interaction
 
Advil Sell
Advil Sell
@AbhigyanC indeed their is , it's called computational chemistry , it's essentially maths(or set of basic axioms) used to predict and solve chemical problems
 
AbhigyanC
AbhigyanC
3:11 AM
@AdvilSell Amazing. Thanks for the information
 
 
1 hour later…
Hot nitric acid (HNQ)
Hot nitric acid (HNQ)
4:41 AM
2
Q: What is quasi-aromaticity?

chail10While studying about aromaticity I came through this topic of quasi-aromaticity. Can you please tell me what it actually is?

aromatic-compounds aromaticity
 
Melanie Shebel
Melanie Shebel
5:19 AM
I'll be honest, I kind of like the question. I'd never heard of quasi-aromaticity before and if there are other answers in Google (not saturated, imo), then give it a go. I thought it was just kind of a fun question, albeit short. I wish he had maybe given some detail into where he's heard the term.
 
 
2 hours later…
Melanie Shebel
Melanie Shebel
7:06 AM
1
Q: Mixing bleach and ammonia?

JacobI know that the two should not be mixed, but i want to know that if the two become mixed in a contained unit, does it build pressure? Or can you seal the container safely untill it can be disposed of properly?

everyday-chemistry safety
This was recently bumped by community. Interestingly, this reaction is probably responsible for my anosmia. I wanted to make a pair of shoes extra clean when I was a teenager and mixed the two together not knowing that was a bad idea. :S
Is the accepted answer to this question bad? It seems to have one downvote, but nobody has commented on it to describe what's "off" about it:
0
A: Carboxylic Acid Nomenclature

KartikAccording to IUPAC Nomenclature rules, the carboxylic acid functional group carbon is included in the base aliphatic chain if one or two carboxylic acid functional groups are present and the standard suffix '-oic acid' is used. For three or more carboxylic acid groups in an aliphatic chain, the c...

 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
7:34 AM
@AbhigyanC No they mostly make stuff up as they go
 
Advil Sell
Advil Sell
@M.A.R.ಠ_ಠ you mean they aren't accurate O_o ?
 
Bounty Hunter
Bounty Hunter
1
Q: Why are most glow-in-the-dark things green?

Melanie ShebelI've noticed that many glow-in-the-dark objects you can purchase in the store are green. Occasionally I would come across something that was orange or blue, but mostly it seems that green is the ubiquitous glow-in-the-dark color. Does this have anything to do with common wavelengths of light emi...

color fluorescence phosphorescence
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
@AdvilSell Have we met.
In any case, I'm MAR. Shakes hands Usually the jester around here.
 
Advil Sell
Advil Sell
@M.A.R.ಠ_ಠ No :D
 
skullpatrol
skullpatrol
@AdvilSell have you seen this?
 
Advil Sell
Advil Sell
7:42 AM
@M.A.R.ಠ_ಠ Oh , Advil shakes hands too
@skullpatrol Nope , so what do computational chemist do then ?
 
skullpatrol
skullpatrol
Computational chemists would use computers.
 
Advil Sell
Advil Sell
Yeah that's what the name suggest :-)
So don't they make some model and use it to predict what's gonna happen ?
 
skullpatrol
skullpatrol
Computational chemistry
Computational chemistry is a branch of chemistry that uses computer simulation to assist in solving chemical problems. It uses methods of theoretical chemistry, incorporated into efficient computer programs, to calculate the structures and properties of molecules and solids. It is necessary because, apart from relatively recent results concerning the hydrogen molecular ion (dihydrogen cation, see references therein for more details), the quantum many-body problem cannot be solved analytically, much less in closed form. While computational results normally complement the information obtained by...
 
Advil Sell
Advil Sell
Yeah that what I thought
@M.A.R.ಠ_ಠ where did you get the inspiration for your name ?
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
@AdvilSell Eh, it's just my initials
Do you sell Advil?
11
Q: Massive user removal in one night?

Graviton I woke up this morning to find that I suffered massive drop in points across network because of lots of users were removed . What happened to those users? Was there a database cleanup?

discussion support deleted-accounts
Who got a hit here?
 
 
2 hours later…
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
9:56 AM
2
Q: Interpretation of Raoult law

user79504 In attachment I have tried to derive Raoult's law by using the concept of equilibrium constant. There is nothing mentioned in my text book about how this equation comes about, so I decided to do it myself. I may like to know whether there is some mistake in what I have done.

physical-chemistry
I would like to know what font you use.
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
10:13 AM
One of the first actions after I got back into the site was saving
8
Q: What is quasi-aromaticity?

chail10While studying about aromaticity I came through this topic of quasi-aromaticity. Can you please tell me what it actually is?

aromatic-compounds aromaticity
Not bad. Not bad.
Although I do think it merits a downvote for lack of research.
But research VTC doesn't exist. @People
 
Hot nitric acid (HNQ)
Hot nitric acid (HNQ)
10:40 AM
2
Q: Why should AAS use element lamps?

John HonAAS (Atomic Absorption Spectroscopy) is a quantitative analytical technique used to measure very small concentrations of ions in substances. The main idea is that the sample is atomised in a flame and then light is shot through the atomised sample and the absorbance is measured. However I don't...

analytical-chemistry spectroscopy
 
Loong
Loong
@Hotnitricacid(HNQ) duplicate?
1
Q: Why are hollow cathode lamps used for atomic absorption spectroscopy?

Ndrina LimaniIn 1955, it was proposed that hollow cathode lamps are good emission sources for monochromatic radiation, and thus for atomic absorption spectroscopy (AAS). In looking into the topic, I've read that "continuum radiation is not preferred in AAS." Why not?

experimental-chemistry analytical-chemistry
 
Jan
Jan
Hello o/
 
Loong
Loong
Hi @Jan
 
Jan
Jan
@Jan What a thing to open SE to =O
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
@Jan Hello! Welcome! This is the chatroom for Chemistry.
 
Jan
Jan
10:47 AM
@M.A.R.ಠ_ಠ Hello Look of disapproval ಠ_ಠ
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
How's it going?
Still too good for us?
 
Jan
Jan
@M.A.R.ಠ_ಠ Nah, too bad.
Erm, generally good, unemployed since April, starting a job that I didn’t really want but at least it’s a job for which I don’t have to move from June.
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
FAILED TO PARSE RESPONSE
Was that a yes or no? o.O
 
Jan
Jan
How do I answer yes or no to a how question?
*expects YES as your answer*
 
YUSUF HASAN
YUSUF HASAN
11:30 AM
@M.A.R.ಠ_ಠ I am bored.. Please crack a joke now... If possible
 
 
1 hour later…
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
12:53 PM
@Jan You replied to the wrong message then
Rusty, I guess.
 
Jan
Jan
1:23 PM
> Are you too good for us?
> No, too bad.
 
 
1 hour later…
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
2:34 PM
@Jan I didn't respond to that to be unpredictable
@YUSUFHASAN <makes a reaction pun>
That one is on the house. We care about our customers.
However, jokes are a premium feature. You have 28 remaining days on your free, limited, ad-overrun trial.
BUY FREE CHEAP VIAGRA
"Free" as in "free software".
@Jan Nice try, it doesn't make sense.
 
Jan
Jan
Lemme rephrase again:
> I am not too good, I am too bad.
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
Nice try, it doesn't make sense.
 
Jan
Jan
ಠ_ಠ
Now you’re trolling.
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
No I'm not,
And it depends on your definition. Was Monty Python trolling?
 
Jan
Jan
Monty Python would have made the same joke as me e.e
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
2:43 PM
Now you’re trolling.
 
Jan
Jan
Or am I?
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
Yes you am
 
Jan
Jan
Glad we came to an agreement *tips hat*
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
Also, it still doesn't answer my question anyway. flagging Jan as NAA Will you or will you not have more time to get roasted in cha . . . I mean answer on the main site?
 
Jan
Jan
I will not. Yet …?
*hoists the NAA flag*
 
Groverkss
Groverkss
2:58 PM
Am i stupid or this conversation is weird
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
@Groverkss We were talking in codes. @Jan now received a package with a message that self-destructs as soon as he opens it. Best. Prank. Ever.
 
Jan
Jan
@M.A.R.ಠ_ಠ Yeah, but I passed you @Groverkss’ address instead of mine.
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
@Jan Nice try, it doesn't make sense.
 
Jan
Jan
@M.A.R.ಠ_ಠ I know, I’m just confusing bystanders.
 
Groverkss
Groverkss
Ok this conversation is definately weird
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
3:03 PM
The address specifically said "Janover, Jan Ave., Jan hotel, room 1337".
@Groverkss Are you looking to delibratlee trigger me
 
Groverkss
Groverkss
Maybe, maybe not
 
Avka
Avka
All conversations with Mar are weird
Never have I once out weirded him or see him get out weirded
36 mins ago, by M.A.R. ಠ_ಠ
BUY FREE CHEAP VIAGRA
Feb 20 '18 at 17:35, by M.A.R.
*This room was placed in timeout for 1 minute; We need this
*
Golden days
 
Hot nitric acid (HNQ)
Hot nitric acid (HNQ)
3:42 PM
1
Q: Quantum numbers required to specify the position of an electron

AryanSonwatikarIn a test today, there was this question: How many quantum numbers are required to specify the position of an electron? $$(A)\ 1 \quad (B)\ 2 \quad (C)\ 3 \quad (D)\ 4$$ The answer key says that the answer is $(D)$ but I am feel that the answer should be $(C)$ as the spin quantum number ...

inorganic-chemistry quantum-chemistry
 
 
2 hours later…
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
5:46 PM
1
Q: Did Oliver Kahn deny children's penalty goals thus charity money?

OddDevThere is a claim on Reddit, originally from Twitter, stating that Oliver Kahn denied all penalties from children, even though every goal was worth charity money. Original transcription: Currently reading 'Tor!' which is a book about the history of German football. Discovered that Oliver ...

history football charity
Actually, catching 9-year-olds' penalties would probably do more harm to your ego than good.
If I think for a couple of more minutes I can come up with more things to call him.
 
Loong
Loong
6:02 PM
→ 3 messages moved to Trash
Maybe better not in here
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
6:55 PM
@Loong Ah OK.
 
M.A.R. ಠ_ಠ
M.A.R. ಠ_ಠ
7:16 PM
@Loong BTW, is it /kʌ:n/ or /kæn/? Are there instances of "ah" in German that are pronounced with /æ/?
 

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