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When you tip a container filled with gas, the surface of the gas does not remain level like a liquid would. Instead, the gas will expand to fill the available space within the container, and its surface will adjust based on the orientation of the container. However, due to the nature of gases, the concept of a "surface" is less defined compared to liquids, as gases do not have a fixed surface level.
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When a container decreases in size what will happen to an amount of gas in the container?
If the container decreases in size, the pressure inside the container will increase. This is because the gas molecules are more confined and collide more frequently with the walls of the container. The amount of gas remains constant, but the pressure changes due to the reduced volume.
How does a gas differ from a liquid with respect to the ability to conform to the shape of its container?
A gas will fill it's container freely, and evenly space itself throughout the container. Imagine an aerosol can of disinfectant sprayed into a room at one corner. The gas will eventually spread itself across the room evenly.
How can pressure be increased if temperature and volume stays the same?
Pressure can be increased by decreasing the area over which the force is distributed, such as making the container smaller or applying an external force onto the surface of the container. This would increase the number of collisions between gas molecules and the container walls, leading to an increase in pressure despite the temperature and volume remaining constant.
What instrument measures the pressure in an enclosed container of gas?
A manometer is used to measure pressure in an enclosed container of gas. It typically consists of a U-shaped tube filled with liquid that reacts to changes in pressure inside the container. The liquid level in the arm of the manometer connected to the container will rise or fall based on the pressure, providing a measurement of the gas pressure.
On the molecular level what causes gas pressure?
On the molecular level pressure is caused by individual gas molecules interacting with the surfaces of a container. Pressure is defined as force per unit area, so in the most basic level pressure can increase with an increase in force applied to the container or a decrease in area the molecules are interacting with. The decrease in area can be from a smaller container, or an increase in force can be from an increase in the velocity of the molecules. This increase in velocity is usually due to an increase in energy (typically heat).
How is gas trapped?
Generally, gas is trapped in a container, or under a curved surface.
When a container decreases in size what will happen to an amount of gas in the container?
If the container decreases in size, the pressure inside the container will increase. This is because the gas molecules are more confined and collide more frequently with the walls of the container. The amount of gas remains constant, but the pressure changes due to the reduced volume.
If the temperature of that gas that is in t he container is decreased what happens to its pressure?
If the volume stays the same, the pressure will decrease.
What are examples of when it is most observable that when gas particles collide with a surface they exert pressure on that surface?
When filling a balloon with gas, the pressure increases as more gas particles collide with the inner surface of the balloon. In a closed container, the gas exerts pressure on the walls of the container due to collisions with the surface. In a tire, the pressure is a result of gas particles colliding with the inner walls of the tire.
How do conditions change inside a rigid container when you use a pump to add gas to the container?
When gas is added to a rigid container using a pump, the pressure inside the container will increase due to the increase in the number of gas molecules colliding with the container walls. The temperature inside the container may also increase slightly due to the compression of the gas. The volume of the gas in the container will remain constant since the container is rigid and unable to expand.
How will you explain the fact that gases exert pressure on all surfaces of the container?
Atoms in a gas move about randomly, and some will bounce against every surface of the container.
How does a gas differ from a liquid with respect to the ability to conform to the shape of its container?
A gas will fill it's container freely, and evenly space itself throughout the container. Imagine an aerosol can of disinfectant sprayed into a room at one corner. The gas will eventually spread itself across the room evenly.
What keeps particles of a liquid from spreading out to fill an entire container in the same way that gas particles do?
Surface tension.
What keeps the particles of a liquid from spreading out to fill an entire container in the same way gas particles do?
Surface tension.
How can pressure be increased if temperature and volume stays the same?
Pressure can be increased by decreasing the area over which the force is distributed, such as making the container smaller or applying an external force onto the surface of the container. This would increase the number of collisions between gas molecules and the container walls, leading to an increase in pressure despite the temperature and volume remaining constant.
What between the particles of a gas and the walls of the container cause pressure In a close container of gas?
Contact between the particles of a gas and walls of the container cause pressure in a closed container of gas.
What is the force exerted by a gas on its container?
The force exerted by a gas on its container is due to the collisions of gas molecules with the walls of the container. This force is known as gas pressure and is determined by the number of gas molecules in the container, their speed, and the temperature of the gas.
