What keeps the raft in Figure 14.3 inflated?
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Asked by: Samuel Kanzelmeyer
pressure of the air insideThe pressure of the air inside the raft keeps the raft inflated.
How do conditions change inside a rigid container when you use a pump to add gas to the container?
How do conditions change inside a rigid container when you use a pump to add gas to the container? You will be able to generate high pressures by adding more and more gas. Once the pressure exceeds the strength of the container, the container will burst.
Why inflate air bags with gases rather than solids or liquids?
Under increased pressure in a gas is much greater than the distance between particles in a liquid or solid. Under increased pressure, the particles in a gas are forced closer together or compressed.
How does the pressure in the box change with the volume?
The relationship between pressure and volume results from the influence volume has on the rate at which gas molecules collide with the container walls. If the volume decreases – causing pressure to increase – the molecules encounter the container walls more often.
Does the pressure increase or decrease as the box is made smaller?
Because the area of the container has increased, there will be fewer of these collisions per unit area and the pressure will decrease.
How do you pressurize a container?
1 Answer
- You could add more molecules. …
- You could increase the temperature. …
- You could decrease the size of the container, this would force the molecules into a smaller area and therefore increase the number of collisions that take place.
What factors affect pressure?
Factors Affecting Air Pressure:
- Temperature: …
- Height from Sea Level: …
- Moisture in Air (Humidity): …
- Gravitation of Earth: …
- Rotation of Earth: …
- Horizontal Distribution: …
- Generally air pressure is divided into two types: …
- Following are the reasons which are responsible for its origin:
What makes an airbag inflate?
The answer would be found in a fascinating chemical called sodium azide, NaN3. When this substance is ignited by a spark it releases nitrogen gas which can instantly inflate an airbag.
Why nitrogen is used in air bags?
The way an airbag works is that there is a quick explosion caused by chemicals that will produce nitrogen gas to inflate the airbag. This allows the airbag to inflate quickly enough to react to the situation.
How does an airbag inflator work?
The chemical at the heart of the air bag reaction is called sodium azide, or NaN3. CRASHES trip sensors in cars that send an electric signal to an ignitor. The heat generated causes sodium azide to decompose into sodium metal and nitrogen gas, which inflates the car’s air bags.
What keeps the gas particles from forcing the balloon to expand?
Inside the balloon, the gas particles collide with the balloon’s inner walls. It is those collisions which keep the balloon inflated. If the gas particles were to suddenly stop moving, the balloon would instantly deflate. The figure below is an illustration of gas particles exerting pressure inside a container.
Does increasing volume increase pressure?
Decreasing the volume of a contained gas will increase its pressure, and increasing its volume will decrease its pressure. In fact, if the volume increases by a certain factor, the pressure decreases by the same factor, and vice versa.
Why does an increase in the number of molecules increase the pressure?
Adding more molecules of a gas increases the number of collisions between the molecules and the walls of the container. This raises pressure.
What happens if you add gas to a rigid container?
When the temperature of a sample of gas in a rigid container is increased, the pressure of the gas increases as well. The increase in kinetic energy results in the molecules of gas striking the walls of the container with more force, resulting in a greater pressure.
What happens to the pressure inside a rigid container if the amount of gas inside is doubled?
When gas is pumped into a closed rigid container, the pressure increases. If the number of gas particles is doubled, the pressure doubles.
What happens to the density of a gas contained in a rigid steel container as you heat the gas?
So density of a gas in a rigid seated container remains un affected on heating In case of gas present in a cylinder with piston to maintain constant pressure on heating volume of the gas increases. since density = mass volume in such cases increase in temperature decrease in the density of the gas.
How does the pressure change if you heat a gas enclosed in a rigid container?
How does the pressure change if you heat a gas enclosed in a rigid container? The pressure increases.
How can we increase the gas pressure inside a sealed container?
Summary
- An increase in the number of gas molecules in the same volume container increases pressure.
- A decrease in container volume increases gas pressure.
- An increase in temperature of a gas in a rigid container increases the pressure.
What does gas pressure depend on?
Pressure within a gas depends on the temperature of the gas, the mass of a single molecule of the gas, the acceleration due to gravity, and the height (or depth) within the gas.
What causes gas pressure in a container?
As the gas molecules collide with the walls of a container, as shown on the left of the figure, the molecules impart momentum to the walls, producing a force perpendicular to the wall. The sum of the forces of all the molecules striking the wall divided by the area of the wall is defined to be the pressure.
How is gas pressurized?
Gas pressure is caused by the force exerted by gas molecules colliding with the surfaces of objects (Figure 1). Although the force of each collision is very small, any surface of appreciable area experiences a large number of collisions in a short time, which can result in a high pressure.
How does air pressure Keep balloons inflated?
Gas pressure is the pressure that results from collisions of gas particles with an object. Inside the balloon, the gas particles collide with the balloon’s inner walls. It is those collisions which keep the balloon inflated.
