General Question  [ENDORSED]

Boltzmann Equation for Entropy:

Moderators: Chem_Mod, Chem_Admin

K Stefanescu 2I
Posts: 68
Joined: Fri Sep 29, 2017 7:04 am

General Question

Postby K Stefanescu 2I » Mon Feb 12, 2018 9:02 am

Why do more massive elements or molecules have greater entropy?

Lisa Tang 1C
Posts: 62
Joined: Fri Sep 29, 2017 7:05 am
Been upvoted: 2 times

Re: General Question  [ENDORSED]

Postby Lisa Tang 1C » Mon Feb 12, 2018 9:41 am

Larger molecules tend to have greater entropy than smaller ones because heavier molecules have more vibrational energy states. In this way, the molecules have a greater number of possible positions they can take up. Using the formula S=k*lnW with W being the number of ways the atoms or molecules in a sample can be arranged and still give rise to the same total energy, we can see that the greater the number of positions, the higher the entropy. Hope that helps!

Return to “Third Law of Thermodynamics (For a Unique Ground State (W=1): S -> 0 as T -> 0) and Calculations Using Boltzmann Equation for Entropy”

Who is online

Users browsing this forum: No registered users and 1 guest