Chapter 5
Gases
![Definition and Measurement of Pressure: Atmospheric Pressure, Barometer, and Manometer](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11272.jpg)
Gas pressure is caused by force exerted by gas molecules colliding with the surfaces of objects. Although the force of each collision is very small,…
![Gas Laws: Boyle's, Gay-Lussac, Charles', Avogadro's, and Ideal Gas Law](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11273.jpg)
Through experiments, scientists established the mathematical relationships between pairs of variables, such as pressure and temperature, pressure and…
![Mixtures of Gases: Dalton's Law of Partial Pressures and Mole Fractions](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11275.jpg)
Unless individual gases chemically react with each other, the individual gases in a mixture of gases do not affect each other’s pressure. Each…
![Chemical Stoichiometry and Gases: Using Ideal Gas Law to Determine Moles](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11276.jpg)
Chemical stoichiometry describes the quantitative relationships between reactants and products in chemical reactions.
In addition to measuring…
![Kinetic Molecular Theory and Gas Laws Explain Properties of Gas Molecules](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11278.jpg)
The test of the kinetic molecular theory (KMT) and its postulates is its ability to explain and describe the behavior of a gas. The various gas laws…
![Kinetic Molecular Theory: Molecular Velocities, Temperature, and Kinetic Energy](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11279.jpg)
The kinetic molecular theory qualitatively explains the behaviors described by the various gas laws. The postulates of this theory may be applied in…
![Combining Volumetric Capnography And Barometric Plethysmography To Measure The Lung Structure-function Relationship](https://cloudfront.jove.com/files/thumbs/58238_t.png)
Tools to measure lung and airways volume are critical for pulmonary researchers interested in evaluating the impact of disease or novel therapies on…
![An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids](https://cloudfront.jove.com/files/thumbs/56632_t.png)
An analog, macroscopic method for studying molecular-scale hydrodynamic processes in dense gases and liquids is described. The technique applies a…