Chemistry 112
Equilibrium Problem Solving Reflection
We have discussed equilibria over several chapters now, each chapter highlighting equilibria in a variety of reaction types and processes. It is truly awesome that we can apply generalized problem solving techniques to all equilibria. And yes, is awesome, but can also be awesomely confusing!
We have discussed in lecture and assignments (such as the homework, quizzes, etc) a variety of different approaches for a reaction or process equilibria to determine equilibrium concentrations, pH, solubility, etc. Some of these approaches include (but are not limited to):
– ICE tables, solving with the quadratic equation
– ICE tables, solving with the “x is small” approximation
– assume reaction/process goes to completion, then ICE tables and “x is small” approximation in the reverse direction
– titration accounting, then ICE tables and “x is small” approximation
Which is the awesome part. But the awesomely confusing part is often encountered when you are handed a problem and it must be determined which of the possible approaches can be used to solve the problem and how to use the information available to carry that out. This discussion board is here to generate peer-focused problem solving strategies just for that!
Pick a particular approach to solving equilibria problems and give an example problem that can be solved using that approach. The problem can be one from any of the relevant assignments, homework, or an entirely new problem you encountered in your own studies (particularly if it was helpful for you).
Using your chosen problem include in your original post:
State what reaction or process type the equilibria problem covers (acid/base, solubility, complex ion formation, gaseous reactions, etc.).
Outline the characteristic features for that type of problem (i.e. how do you know it is that kind of problem?)
Explain what information is needed to solve this sort of problem
Describe how the information is used in solving the problem (i.e. when you have identified what approach to use, how do you utilize the information you have?).
The idea is to teach a particular type of equilibria problem to your peers. Do not just give the problem and the answer! Explain as you would to one of your peers the problem as you encountered it, and your procecgoss for going about solving it.
