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Ianfiat

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NueVaaj

Isomers

Why can't cis isomer convert to trans isomers or vice versa?
02:58 Tue 19th Feb 201919 answers, last by woofgang 20:05 Sun 17th Mar 2019
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pjwesties

Sunday Times Cryptic 4740 Sunday April 2Nd 2017

12 down bust unusually arranged ??? ON ORDER is this put on order help pl....
12:48 Sun 02nd Apr 20172 answers, last by pjwesties 13:37 Sun 02nd Apr 2017
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mikey4444

Helium Discovery A 'game-Changer'

http://www.bbc.co.uk/news/science-environment-36651048 I have very little scientific learning or training. Why can't we manufacture helium if we need it so bad ?...
14:31 Tue 28th Jun 201617 answers, last by Arsath 08:41 Wed 28th Aug 2019
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Visconic

How Does Acids Corrode Skin/tissue?

I understand that the "corrosiveness" of an acid is related to the reactivity of the anion. Take HCl for example. It dissociates into H+ and Cl-. Now this is where i'm confused. If "corrosiveness" is...
01:02 Sun 17th Apr 20169 answers, last by theprof 20:15 Mon 25th Apr 2016
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sandyRoe

How Does A Substance Come To Be Classified As A Metal?

On a tv quiz this afternoon calcium was included in a short list of metals. I wouldn't have thought it was....
15:48 Wed 26th Aug 201520 answers, last by Hypognosis 21:02 Tue 08th Sep 2015
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Khandro

Cost Of Nasa

We now know (to great jubilation), that Pluto has a 'deep crater' and that these images received could be reproduced by micro/macro photographs of the Earth's surface. Given the problems we face here,...
23:33 Wed 15th Jul 201563 answers, last by Khandro 07:59 Wed 12th Aug 2015
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Priya_Singh

What Is The Difference Between Column Chromatography And Flash Chromatography?

Describe in detail between column chromatography and flash chromatography.
12:23 Tue 09th Jun 20153 answers, last by Ianfiat 12:58 Sun 14th Jun 2015
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woof57

St4624

Al is one? Yes and No (7) E---A-T Really stumped by this pne! Help please!...
11:24 Sun 11th Jan 20159 answers, last by Ianfiat 12:24 Sun 11th Jan 2015
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Dhruba

Why Do Some Elements Have Variable Valencies?

Enter Further Question Details Here...
10:33 Fri 11th Apr 20144 answers, last by Graham-W 11:25 Sun 11th May 2014
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RATTER15

Alcohol Is Alcohol Is Alcohol Or Is There Different Types Of Alcohol

I dont really know what I am talking about here but here goes. If you were to take a range of different alcoholic drinks and extract the pure alcohol element from them, would the pure alcohol be...
18:27 Tue 15th Apr 201448 answers, last by Ianfiat 11:08 Sun 11th May 2014
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memphisbelle

Smelling Salts

I have found a small old glass bottle which has the remains of smelling salts in. They are " rock hard" can anyone tell me of a solution I could use to get these crystals out? Thank you. Memphisbelle...
01:58 Sun 11th May 201412 answers, last by memphisbelle 13:24 Thu 15th May 2014
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sugan_gaur

Electronic Dot Formula

write the electronic dot formula of sulphur having 8 atoms?
10:12 Sun 29th Sep 20138 answers, last by methyl 18:23 Sun 29th Sep 2013

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