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## Using Gas Laws to Solve Problems

Gas laws are the physical laws that describe the properties of gases, including Boyle’s and Charles’ laws.

One of the gas laws chemistry students learn is the ideal gas law. It has four variables. The four gas variables are: pressure (P), volume (V), number of mole of gas (n), and temperature (T). Lastly, the constant in the equation shown below is R, known as the gas constant, which will be discussed in depth further later:

PV=nRT

The  ideal gas law is a good approximation for most gases under moderate pressure and temperature

###### Lesson 4 (or “Day 4”) Material

6:17 Ideal Gas Law Introduction

10:52 Ideal Gas Law Practice Problems

12:59Which gas equation do I use?

#### Compare Contrast and Debate

Kickoff Debate Background: xx

• Position A: Honeycutt Science should x
• Position B: Honeycutt Science should x

#### Notes and Notices

Instructor Emphasis:

• Science & Engineering Practice: Plan and conduct investigations.
• Cross-Cutting Concept: Patterns.