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The more often gas molecules collide the closer the particles are, this means that there is a very high volume in the space where the gas is located. Gas will expand when put into a large area in a process called diffusion.
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∙ 12y ago
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What are gas molecules colliding with no change in total energy?
elastic collision
How molecule works during heat conduction?
when molecules are heated they gain energy and move faster. Therefore, colliding more frequently with other molecules and transferring kinetic energy to other molecules
What is true if a liquid and a gas are in equilibrium?
liquid molecules forming a gas and gas molecule forming a liquid are equal in number
When a gas is compressed in a cylinder what does the distance between the gas molecules do?
The compression will result in a lowering in the average distance between molecules of the gas. Imagine that the cylinder is like that in an internal combustion engine, with a piston inside the cylinder. The compression is accomplished by pressing the gas into a reduced volume. The number of gas molecules remains the same. With the same number of molecules in a reduced volume, the gas molecules are pressed more closely together, lowering the average distance between the gas molecules.
Why Brownian motion can be seen in liquids and gases but why not solids?
Because the atoms or molecules in solids are not able to move randomly, they are held in an ordered structure.
What exactly is gas pressure?
Force of gas molecules colliding with the container
What are gas molecules colliding with no change in total energy?
elastic collision
How do the particles move in gas?
the atoms and molecules are free to move independently, colliding frequently.
How do particles in a gas move?
the atoms and molecules are free to move independently, colliding frequently.
How do the particle move in a gas?
the atoms and molecules are free to move independently, colliding frequently.
What causes a pressure in a gas?
Heat. The addition of heat causes expansion and spreading of the molecules which in turn causes an increase in pressure.
What changes from which state of matter to which state?
Solid-molecules vibrate but are fixed in place. Liquid-molecules are free to move about, but still are attracted to each other. Gas-molecules move freely in any direction until colliding with another molecule.
Under what circumstances do the colliding molecules not react?
the molecules are not in position to form bonds
Which state of matter diffusion would occur faster solid liquid or gas?
Diffusion happens fastest in a gas. Since gases have more space than liquids, molecules are free to move around without colliding into other molecules. The result is that diffusion will happen faster.
What is a compressional wave caused by colliding air molecules?
Sound Waves
What happens to gas particles when air leaks out an inflated ball?
The gas molecules are constantly in motion, colliding with each other and the walls of the ball. The pressure inside the ball is also much greater than the pressure outside the ball. When there's a hole in the ball, the molecules keep colliding, and some make there way out through the hole. Remember that the molecules want to go to the area of lowest pressure so that they can be at equilibrium.
Why the pressure of a gas increases when it's temperature increases?
A simple way to think about it is: the pressure is the force per unit of area that a gas exerts on it's container caused by the molecules colliding with the container's walls. As the temperature increases, the molecules have more energy and collide with more force, so the pressure increases.
