Unit 5 - Gas Laws II

The behavior of various gases under different circumstances, the concept of density and temperature change, the specific volume and specific gravity of a material, the behavior of gases with respect to changes in weight and density

Learning Outcome:

Upon completion of this module you will be able to:

1. Explain what is meant by “density”.
2. Explain what is meant by “specific volume” and “specific gravity”.
3. Use the formula PV = mRT to measure change in materials.
4. State Dalton’s law of partial pressures and use it to solve problems involving gases.

• Topic Introduction and Objectives
• Density of Materials
• Comparing Densities of Two Materials
• Why the Density of 1 ft3 of Ice Changes with a Change in Temperature
• Densities of Some Common Materials
• Check-Point Question: Density
• Check-Point Question: Density
• Topic Summary

• Topic Introduction and Objectives
• Specific Volume of Materials
• Specific Gravity of Materials
• Check-Point Question: Specific Volume
• Check-Point Question: Specific Gravity and Density
• Topic Summary

• Topic Introduction and Objectives
• Measuring Two Volumes of Gas
• Measuring Changes in Materials
• Gas Constant (R) Value
• Modifying the General Gas Law
• Mass
• Sample Problem: Calculating Internal Volume of a Cylinder
• Check-Point Question: General Gas Law and Measuring Changes in Materials
• Topic Summary

• Topic Introduction and Objectives
• Mixture of Gases: Pressure Exerted by a Single Gas in a Container
• Mixture of Gases: Pressure Exerted by Two Gases in a Container
• Dalton’s Law: Calculating Partial Pressure of Nitrogen
• Dalton’s Law: Calculating Partial Pressure of R-22
• Dalton’s Law: Calculating the Total Pressure
• Check-Point Question: Dalton’s Law Equation
• Topic Summary

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