/u/Hoihe's posts in /r/askscience

Year:

Only show posts with narrations

Do hydrogen isotopes affect chemical structure of complex hydrocarbons?

1998 upvotes

Mark as read: Add to a list

Quantum Chemistry: Why does the Exchange Interaction/Integral reduce the energy of the molecular orbital?

358 upvotes

Mark as read: Add to a list

Can we apply the principle behind quantum tunnel (of greatly reduced, but greater than 0 chance of occuring) to chemical systems?

252 upvotes

Mark as read: Add to a list

Why do we define the mass of a proton/neutron as 1/12 of carbon-12, and not 1/56 of iron-56?

20 upvotes

Mark as read: Add to a list

In Molecule Dynamics modelling, why are calculations initiated at 0K and slowly heated to the desired temperature, rather than initiating at 300K immediately?

19 upvotes

Mark as read: Add to a list

When walking, how do humans change direction? Are the mechanics at play different when doing subtle changes vs 90 degree turns?

8 upvotes

Mark as read: Add to a list

How do colligative properties change when talking about non-dilute solutions?

4 upvotes

Mark as read: Add to a list

Why do we consider weak acids/bases weak, when they actually take more base/acid to neutralize?

4 upvotes

Mark as read: Add to a list

How much does Pi stacking of a benzene ring into a phenol affect the bond-dissociation energy of the hydroxyl hydrogen?

3 upvotes

Mark as read: Add to a list

Why do kolorimetres/photometres use monochromators rather than lasers?

2 upvotes

Mark as read: Add to a list

Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Do hydrogen isotopes affect chemical structure of complex hydrocarbons?	1998
Quantum Chemistry: Why does the Exchange Interaction/Integral reduce the energy of the molecular orbital?	358
Can we apply the principle behind quantum tunnel (of greatly reduced, but greater than 0 chance of occuring) to chemical systems?	252
Why do we define the mass of a proton/neutron as 1/12 of carbon-12, and not 1/56 of iron-56?	20
In Molecule Dynamics modelling, why are calculations initiated at 0K and slowly heated to the desired temperature, rather than initiating at 300K immediately?	19
When walking, how do humans change direction? Are the mechanics at play different when doing subtle changes vs 90 degree turns?	8
How do colligative properties change when talking about non-dilute solutions?	4
Why do we consider weak acids/bases weak, when they actually take more base/acid to neutralize?	4
How much does Pi stacking of a benzene ring into a phenol affect the bond-dissociation energy of the hydroxyl hydrogen?	3
Why do kolorimetres/photometres use monochromators rather than lasers?	2