Our final concept of the gas unit is the Ideal Gas Law.  This law enables us to determine pressure, volume, temperature, or moles of a confined gas.  You will be able to solve problems to identify gases based on measurements in the lab and molar mass.


  • Warm Up 76
1. Predict what happens to the volume of air in a balloon if the temperature decreases.  Explain how you know and reference particle collisions, particle distance, and inside vs. outside pressure.

2.  Observe the demonstration.  Sketch a particulate diagram of the balloon system before, during, and after the addition and removal of the balloon from liquid nitrogen.


  • Finish Practice 6.4
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