Law of Gases

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This was our group's presentation for the class.


Here's the written version:

Volume
The volume of any solid, liquid, gas or plasma is how much 3-dimensional space it occupies. The pressure of the gas will go up as the volume that the gas takes up smalls down. The ceiling of the tube falls down, the gas (which is represented by these red balls) hits the walls of the tube, more often.

Temperature
Basically, temperature is the measurement of how hot or cold a thing is. But scientifically, temperature is the measure of kinetic energy of the particles in matter. When particles in matter move faster or have a heavier mass, they carry more kinetic energy so the material seems warmer. When the temperature of the gas goes up, so as its volume. In the video, the fire represents the temperature and the blue ball represents the container that the gas is inside of. When we heat up the gas, the container gets bigger. When you lower the temperatue, the container gets small.

Pressure
(Combined Law) This law states that when the temperature is constant but the volume gets bigger, the pressure will go down. The volume is always the same but the temperature increases. As the temperature increases, the gas moves faster.

Vapor Pressure, Boiling Point and Phases of Matter
Vapor pressure is the equilibrium pressure of a vapor in a container. When a solid or a liquid evaporates to gas, the molecules can't escape. The boiling point of an element is the temperature at which the vapor pressure of the liquid is equal to the environmental pressure surrounding the liquid. At boiling point, liquid molecules turn into gas. The molecular motion increases as the temperature does. The molecular motion increases as the temperature does. The molecules in solid are locked in position with each other. The molecules in liquid can pass one another and bump with the others but they remain relatively close to each other. The molecules in gas move quickly and are free to go in any direction.


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I uploaded this thinking that it might help students about the topic.
And yeap, I hope this helps.

Category:

Education

Tags:

• chemistry
• lesson
• tutorial
• gas
• vapor
• pressure
• boiling
• point
• temperature
• volume
• law
• of
• science

[perryandmorgan]

Why does my textbook say that the temperature and pressure of a gas increases when the volume decreases?