Stoichiometry instruction and virtual labs embedded in the real-world scenario surrounding arsenic concentrations in the drinking water supply in Bangladesh.
Chemistry — Review of Stoichiometry
- What students will learn
- Learning objectives by module
- Course assessments, activities, and outline
- Other course details
- System requirements
- Included instructor tools
In making the causal graph modules, we’ve taken a very spare approach and cover only the essential ideas in terminology on causal graphs. They include the basic concepts of causal graphs as a way to represent causal systems, but they don’t go into nuance or extended case studies.
In the modules, we present graph theoretic ideas of directed paths, undirected paths, and treks. We go all the way through D- Separation, which is a fundamental notion developed by Judea Pearl and colleagues in the late 1980s. We present the key ideas in just a 2- to 4-minute video followed immediately by several Learn By Doing exercises to see if you’ve got the ideas presented in the video. The activities contain feedback and may include several layers of hints to help you if you get confused. The entire unit through Bayes Nets should take no more than three hours.
We hope you enjoy the material, and we are confident that learning this content will help with any more extensive investigations into graphical causal models.
What students will learn
By the time they finish this course, students will have:
- Obtained a full refresher course on Stoichiometry
- Approached the concepts from within a real-world scenario, applying knowledge directly to solving problems
- Worked through numerous virtual lab exercises to get a flavor for what real techniques are used in the field
Learning objectives by module
Course assessments, activities, and outline
UNIT 1: Stoichiometry I
Module 1: Introduction
Module 2: The mole
Module 3: The arsenic problem in Bangladesh
Module 4: Measuring arsenic in the lab
Module 5: Basic tools of stoichiometry
Module 6: Testing water for arsenic contamination
Module 7: Using density to check arsenic concentrations
Module 8: Arsenic remediation
Module 9: Unit recap
UNIT 2: Stoichiometry II
Module 10: Empirical formula
Module 11: Reaction stoichiometry
Module 12: Limiting reagents
Module 13: Titration
Module 14: Analysis of mixtures
Module 15: Unit recap
Other course details
The list of topics (see below) is similar to that of a high school chemistry course, although with a greater focus on reactions occurring in solution and on the use of the ideas to design and carry out experiments. Its 15 modules will take approximately four to five weeks at a pace of three modules per week (accounting for the fact that Introduction and Recap modules take less time).
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
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This course’s system requirements:
Included instructor tools
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