Karsten's user avatar
Karsten's user avatar
Karsten's user avatar
Karsten
Moderator
  • Member for 5 years, 3 months
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65 votes
Accepted

Why is '-ethane' in 'methane'?

36 votes

Why was Avogadro's number chosen to be the value that it is?

26 votes
Accepted

Is there a difference between equilibrium and steady state?

26 votes
Accepted

Is it possible to create hydrophobic water?

22 votes
Accepted

How were x-ray diffraction patterns deciphered before computers?

21 votes
Accepted

Why is octane more volatile than water while having a higher boiling point?

19 votes
Accepted

Quadrupole moment of a molecule

18 votes

What is kekulization (in RDKit)?

18 votes

Which atom is the smallest atom?

17 votes

Why does a tetrahedral molecule like methane have a dipole moment of zero?

16 votes
Accepted

What happens in an exothermic reaction at the atomic level?

16 votes
Accepted

Why would there be a non-zero Gibbs energy of mixing for ideal gases?

14 votes

What exactly is temperature?

14 votes

Is light a reactant in photochemical reactions?

14 votes
Accepted

Why does liquid water form when we exhale on a mirror?

13 votes
Accepted

Pauli exclusion principle

13 votes

How can you build a model of tetrahedral coordination from objects found at home?

13 votes
Accepted

Distinguishing between octahedral and tetrahedral holes

13 votes

Are pseudo-zeroth order reactions possible?

13 votes
Accepted

Why might a prepared 1% solution of glucose take 2 hours to give maximum, stable reading on a glucometer?

12 votes

Are physical space filling molecular modelling kits still available anywhere?

11 votes
Accepted

Reaction of phenol and zinc dust

11 votes

Why do the first and second laws of thermodynamics not contradict each other?

11 votes

If you accumulate 100 identical spheres how many will end up on the surface?

11 votes

Why are isotopes an issue in reading mass spectra?

11 votes
Accepted

Bonding in hypervalent molecules

11 votes

Where does the energy required to initially begin the reaction of iron and oxygen come from?

11 votes
Accepted

Mechanism of the blue bottle experiment

10 votes

Does energy come from fuel or oxygen? (surprise?)

10 votes
Accepted

How can you use ICE tables to solve multiple coupled equilibria?

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