Module 7 Intro

Module 7—Chemical Analysis

Module Summary and Assessment

Module Summary

Quantitative analysis involves a variety of techniques that rely on stoichiometric relationships between substances involved in a reaction. In this module you performed a titration using an acid and a base. You also performed a titration to determine the quantity of vitamin C in fruit juice. By studying some of the considerations necessary to support a journey into space, you considered the following questions:

• How is stoichiometry used in the design of a chemical system?

• How is stoichiometry used in the analysis of a chemical system?

These questions are relevant to more than spaceflight, since the principles of stoichiometry can be applied to any process in which different components combine and form into new arrangements. Think about this the next time you are preparing sandwiches or planning a picnic for a large group of people. You may be surprised to find yourself thinking in ratios that relate the number of people attending to the number of plates required or the number of veggie burgers to be prepared.

Module Assessment

The assessment in this module consists of the following:

• Assignments for Lessons 1, 2, and 3
  
  

• Module Assessment (Part 1)—Using Stoichiometry to Save the Apollo 13 Astronauts
  
  

• Module Assessment (Part 2)—The Nature of Scientific Research and Apollo 13
  
  

• Module Assessment (Part 3)—Analytic Measurement Technology