Ch 15 - links (ICE Example from class)

Zellmer, Robert zellmer.1 at osu.edu
Wed Sep 23 22:47:30 EDT 2020


I always get questions about the ICE table problems I do in lecture, particularly
the one where I ignored the "x" and the one with the "-" x on the right-hand side
of the equation. There are several inks at the "Notes" link on my web page.

The first link shows why when you add reactions to get another reaction you
multiply the equil. constants. I told you to prove this to yourself.

Chapter 15 - Chem. Equil. - Equil. Constant when Adding Eqns - Proof<https://www.asc.ohio-state.edu/zellmer.1/chem1220/notes/ch15_adding_eqns_K.pdf>

The 2nd link is the first example I did where I ignored the "x".  I've made a video
using my notes working through the example while explaining things.  There's
three pages.

Chapter 15 - Chem. Equil. - ICE Table Example 1 from Notes (video presentation)<https://www.asc.ohio-state.edu/zellmer.1/chem1220/notes/ch15_ice_notes_ex1/ice_ex1_video.htm>

The 3rd link is the second example I did where the reaction was going in the
reverse direction, with the "-" signs on the right-hand side of the ICE table.
I did it both ways, going right to left and then reversing it and going left to
right.  You'll see you get the same answer doing it either way.

Chapter 15 - Chem. Equil. - ICE Table Example 2 from Notes<https://www.asc.ohio-state.edu/zellmer.1/chem1220/notes/ch15_ice_notes_ex2.pdf>

The 4th link is a video of the NO2/N2O4 equilibrium and LeChatelier's Principle
(the one in the syringe with the brown gas).  I showed this in class.

Chapter 15 - Chem. Equil. - LeChatelier's Principle, pressure changes - NO2/N2O4 video<https://www.youtube.com/watch?v=WiiyRDBb-rk>

Dr. Zellmer

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