Skip to main content
Alchimista's user avatar
Alchimista's user avatar
Alchimista's user avatar
Alchimista
  • Member for 7 years
  • Last seen more than 1 year ago
23 votes

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

14 votes

How does ammonium nitrate explode on its own?

12 votes

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

12 votes

Is benzene harmful to human health?

12 votes

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

10 votes
Accepted

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

8 votes
Accepted

D/L and +/− labels of glucose

8 votes
Accepted

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

8 votes
Accepted

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

8 votes

Neither Raman nor IR Active vibrational modes

7 votes
Accepted

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

7 votes
Accepted

Chemical Formulae and the Periodic Table of Elements

6 votes

Why are HCl fumes white?

6 votes
Accepted

Bleach turned towel bright pink before fading to white

5 votes
Accepted

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

5 votes

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

5 votes

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

5 votes
Accepted

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

4 votes
Accepted

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

4 votes

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

4 votes
Accepted

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

4 votes

What is Resonance, exactly?

4 votes
Accepted

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

4 votes

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

4 votes
Accepted

does Hydrochloric Acid react with PET?

4 votes

Uv vis and fluorescence spectroscopy: sensitivity

4 votes

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

4 votes

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

4 votes

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

4 votes
Accepted

Rule of Thumb for separatory funnel volumes