# Heat, Work, and Processes

## In-class Content

### Activity: Using $pV$ and $TS$ Plots

Activity Highlights

1. This small group activity is designed to help students learn to read $pV$ and $TS$ plots and to understand simple cyclic processes.
2. Students work out the heat and work for each leg of a cycle, as well as the totals for the cycle.
3. The wrap-up discussion highlights student difficulties with the sign of heat and work, and reinforces the concept of heat and work being path-independent.

## Homework for Energy and Entropy

1. (HeatAndWork) What goes here?

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