User Alchimista - Chemistry Stack Exchange

23 votes

Is honey really a supersaturated solution? Does heating to un-crystalize redissolve it or melt it?

answered Mar 16, 2019 at 9:55

14 votes

How does ammonium nitrate explode on its own?

answered Aug 5, 2020 at 9:17

12 votes

Can a molecule contain a linear series of conjugated pi bonds twisted through 180 degrees?

answered Dec 22, 2017 at 13:47

12 votes

Is benzene harmful to human health?

answered Apr 14, 2018 at 8:36

12 votes

Can you meassure a negative pH value with a pH meter?

answered Apr 8, 2021 at 8:55

10 votes

Accepted

What is the Italian ‘Acido Psammico’ (Psammic acid?)

answered Feb 8, 2018 at 13:49

8 votes

Accepted

What is the purpose of trimming the bottom corners of TLC plates?

answered Apr 9, 2019 at 7:34

8 votes

Neither Raman nor IR Active vibrational modes

answered Oct 7, 2019 at 13:07

8 votes

Accepted

Why can't we rotate a carbon while checking for chirality?

answered Dec 29, 2017 at 14:05

8 votes

Accepted

D/L and +/− labels of glucose

answered Jul 13, 2017 at 13:21

7 votes

Accepted

Why do boiling points of alkanes and alcohols become closer with increased chain length

answered Feb 22, 2020 at 8:39

7 votes

Accepted

Chemical Formulae and the Periodic Table of Elements

answered Apr 8, 2019 at 8:12

6 votes

Accepted

Bleach turned towel bright pink before fading to white

answered Jul 27, 2017 at 13:10

6 votes

Why are HCl fumes white?

answered Jan 17, 2018 at 22:08

5 votes

Accepted

What is the most "important" resonance structure of SCN⁻?

answered Feb 20, 2018 at 18:04

5 votes

Is identifying a chemical equivalent to be able to produce it?

answered Mar 19, 2018 at 9:57

5 votes

What is the mass of ozone present in 10.6 g of Na2CO3?

answered Oct 9, 2019 at 10:16

5 votes

Accepted

New York Times Crossword: Is "electrically balanced" in chemistry "apolar" (given), "neutral," or something else entirely?

answered May 24, 2021 at 19:07

4 votes

Is it appropriate to say "solid-in-gas solution" and "liquid-in-gas solution"?

answered Dec 12, 2021 at 9:09

4 votes

Accepted

Is it correct to look at plane of symmetry in substituted cyclohexane for determining a meso compound?

answered Feb 13, 2021 at 9:07

4 votes

Accepted

How does addition of side chains affect solubility and processibility of polyphenylene vinylene?

answered Sep 19, 2021 at 14:22

4 votes

Why do the units of rate constants change, and what does that physically mean?

answered Jan 14, 2021 at 15:28

4 votes

What is Resonance, exactly?

answered Feb 8, 2021 at 11:05

4 votes

Accepted

Rule of Thumb for separatory funnel volumes

answered Jan 20, 2019 at 10:53

4 votes

How does PEDOT:PSS work (mechanism) in Organic Electrochemical Transistors?

answered Jan 11, 2018 at 13:59

4 votes

Accepted

does Hydrochloric Acid react with PET?

answered Dec 30, 2017 at 19:58

4 votes

Accepted

For two compounds that are symmetrical, why does the more compact one have a higher melting point?

answered Jan 29, 2018 at 18:25

4 votes

Number of stereoisomers and symmetry of pentane-2,3,4-triol

answered Jul 27, 2017 at 14:30

4 votes

Uv vis and fluorescence spectroscopy: sensitivity

answered Nov 21, 2017 at 10:47

4 votes

MO Theory: Why do hydrogen and lithium bond, but hydrogen and helium don't?

answered Jul 23, 2017 at 19:55

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94 Answers

Is honey really a supersaturated solution? Does heating to un-crystalize redissolve it or melt it?

How does ammonium nitrate explode on its own?

Can a molecule contain a linear series of conjugated pi bonds twisted through 180 degrees?

Is benzene harmful to human health?

Can you meassure a negative pH value with a pH meter?

What is the Italian ‘Acido Psammico’ (Psammic acid?)

What is the purpose of trimming the bottom corners of TLC plates?

Neither Raman nor IR Active vibrational modes

Why can't we rotate a carbon while checking for chirality?

D/L and +/− labels of glucose

Why do boiling points of alkanes and alcohols become closer with increased chain length

Chemical Formulae and the Periodic Table of Elements

Bleach turned towel bright pink before fading to white

Why are HCl fumes white?

What is the most "important" resonance structure of SCN⁻?

Is identifying a chemical equivalent to be able to produce it?

What is the mass of ozone present in 10.6 g of Na2CO3?

New York Times Crossword: Is "electrically balanced" in chemistry "apolar" (given), "neutral," or something else entirely?

Is it appropriate to say "solid-in-gas solution" and "liquid-in-gas solution"?

Is it correct to look at plane of symmetry in substituted cyclohexane for determining a meso compound?

How does addition of side chains affect solubility and processibility of polyphenylene vinylene?

Why do the units of rate constants change, and what does that physically mean?

What is Resonance, exactly?

Rule of Thumb for separatory funnel volumes

How does PEDOT:PSS work (mechanism) in Organic Electrochemical Transistors?

does Hydrochloric Acid react with PET?

For two compounds that are symmetrical, why does the more compact one have a higher melting point?

Number of stereoisomers and symmetry of pentane-2,3,4-triol

Uv vis and fluorescence spectroscopy: sensitivity

MO Theory: Why do hydrogen and lithium bond, but hydrogen and helium don't?