# Procedure Overview

1- Read Carefully
2- Draw a Diagram
3- List Given Information
4- List All Assumptions
Write Equations & Lookup Data
5-
6- Solve Equations
Verify Assumptions
7-
8- Answers
There are 8 steps in our general problem solving procedure.
The names of some of the steps make it quite clear what they entail. While some of the other steps will require quite a bit more explanation. That is the purpose of the remaining pages of this lesson.
It is important to understand each step in the procedure. Then, we will present example problems that apply the procedure to some problems.
Keep in mind that the focus of this lesson is the procedure and not the substance of the thermodynamics problems
that we solve.
We will use this solution procedure, in one form or another, for every example problem in the rest of this course.
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### Ch 4, Lesson D, Page 2 - Procedure Overview

• The names of some of the 8 steps in the problem solving procedure are more descriptive than others.
• I suspect you understand the 1st and last steps pretty well without much explanation.
• The 1st and last steps may seem too obvious to be considered as separate steps.
• I include them as separate steps because experience has shown that information is frequently missed in problem statements and the consequences are disastrous.
• It is also surprising how many students correctly solve for all of the unknowns in a problem but then fail to answer the questions posed in the problem statement.
• I definitely want to emphasize the importance of these two steps because they are so commonly neglected in the rush to tackle the more glamorous steps.
• Now, some of the other steps may seem a bit vague at this point, but I will elaborate on them as we move through this lesson.
• No procedure fits every problem, but you may be surprised at how many problems can be solved by the procedure outlined here.
• We will discuss each step in the procedure, but you won’t really understand how to USE the procedure until you have seen it applied to a few example problems.
• We’ll solve some problems that you have already seen earlier in this chapter so that the thermodynamics is nothing new.
• I hope this helps you focus on how the procedure is applied.
• OK, that’s the plan, so let’s get started.

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