When gas in a container expands to twice its volume its density?
Homework 6
| Question | Answer |
|---|---|
| When gas in a container expands to twice its volume, its density | Is half |
| Strictly speaking, gas pressure inside an inflated stretched balloon is | Slightly greater than the pressure outside the baloon |
How much does the density of air increase when it is compressed to half its volume?
By how much does the density of air increase when it is compressed to half its volume? It doubles.
What happens to the air pressure inside a balloon is squeezed to half its volume at constant temperature?
At a constant temperature, the air pressure will double inside a balloon when it is squeezed to half its volume.
When a party balloon is compressed to one third its volume gas pressure in the balloon _?
What change in pressure occurs in a party balloon that is squeezed to one-third its volume with no change in temperature? The pressure will increase to three times its original pressure.
What happens to the volume or size of a balloon as it rises in the air?
When a balloon goes up higher in the air, its size will increase. Since there's less air in the upper atmosphere, there's less stuff pushing back on the balloon, and hence the pressure is lower, which allows the balloon to expand.
What happens to the volume of a gas inside a balloon if you keep on inflating it?
Robert Boyle, a chemist and physicist from the 17th century, discovered that the volume of gas, meaning how much space it occupies, is related to its pressure—and vice versa. He found that if you pressurize a gas, its volume contracts. If you decrease its pressure, its volume increases.
Does the volume of air change when compressed?
Pressure multiplied by volume divided by temperature equals a constant. The combination law explains what happens to air when it's compressed into a smaller volume. It tells us that when air is compressed, the air's pressure and temperature increase as the volume of the space containing air decreases.
How much does air compress under water?
The air that a diver breathes is compressed by the surrounding pressure. If a diver descends to 33 feet, or 2 ATA of pressure, the air they breathe is compressed to half of its original volume. Each time the diver inhales, it takes twice as much air to fill their lungs than it does at the surface.
What happens to the volume of a balloon when it is squeezed?
An example of Boyle's law in action can be seen in a balloon. Air is blown into the balloon; the pressure of that air pushes on the rubber, making the balloon expand. If one end of the balloon is squeezed, making the volume smaller, the pressure inside increased, making the un-squeezed part of the balloon expand out.
What change in pressure occurs in a party balloon that is squeeze to 1/3 its volume with no change in temperature?
A balloon when squeezed to one third of its volume, and with no change in temperature the pressure increases up to three times its original pressure. According to Boyle's law, volume is inversely proportional to pressure.
When air is filled in the balloon the pressure and volume?
The pressure inside the balloon is less than that of the atmospheric pressure.
What happened to the pressure and volume of the gas as the cover of the jar is pushed down?
Pulling up on the lid of a sealed container increases the volume and decreases the pressure. Pushing down on the lid of a sealed container decreases the volume and increases the pressure.
What changes when you squeeze a balloon?
By squeezing the balloon, you reduce the space the gas particles can occupy. As the particles are pushed a bit closer together, they collide with more, so the pressure from the moving gas particles increases. Boyle's Law explains the relationship between volume and pressure.
What happens to volume when gas is compressed?
During compression, the volume (V) of a gas decreases. When this happens, the pressure (P) of the gas increases if the number of moles (n) of gas remains constant. If you keep the pressure constant, reducing the temperature (T) also causes the gas to compress.
What happens to the density of a gas as its volume decreases at constant pressure and temperature?
Reducing the volume of the gas to half will reduce the number of moles of the gas to half and thus the mass of the gas inside the vessel will be half of the original mass. Thus the density of the gas remains the same.
Is air denser underwater?
Becoming a SCUBA diver is more than learning how to breathe under water; you also have to understand the physics that explain why certain things occur while you are diving. Starting with the basics: Density: water is 1000 times denser than air, and while air's density can vary- the density of water cannot.
What is a pressure squeeze?
A squeeze occurs when the air pressure inside one of a diver's body air spaces is less than the pressure of the surrounding water. This condition can cause discomfort, pain, or even injury. When a diver descends underwater, the pressure of the surrounding water increases with depth, according to Boyle's Law.
What happens to the volume of a gas when it is compressed?
During compression, the volume (V) of a gas decreases. When this happens, the pressure (P) of the gas increases if the number of moles (n) of gas remains constant. If you keep the pressure constant, reducing the temperature (T) also causes the gas to compress.
When you squeeze a balloon Are you increasing or decreasing its volume?
An example of Boyle's law in action can be seen in a balloon. Air is blown into the balloon; the pressure of that air pushes on the rubber, making the balloon expand. If one end of the balloon is squeezed, making the volume smaller, the pressure inside increased, making the un-squeezed part of the balloon expand out.
What happens to the pressure when you inflate a balloon?
When you inflate a balloon, you're actually putting gases, in this case mostly helium, into an elastic container. As you add more gas, the pressure inside the balloon increases, and in response, the balloon expands… up to a point, that is!
When pressure of a gas in a container increases the volume also increases?
As the pressure on a gas increases, the volume of the gas decreases because the gas particles are forced closer together. Conversely, as the pressure on a gas decreases, the gas volume increases because the gas particles can now move farther apart.
What happens to the pressure when you squeeze a balloon?
By squeezing the balloon, you reduce the space the gas particles can occupy. As the particles are pushed a bit closer together, they collide with more, so the pressure from the moving gas particles increases.
What happens to the volume of the gas inside the container after it was pressed?
Robert Boyle, a chemist and physicist from the 17th century, discovered that the volume of gas, meaning how much space it occupies, is related to its pressure—and vice versa. He found that if you pressurize a gas, its volume contracts. If you decrease its pressure, its volume increases.
What happens to the gas pressure if the gas is released from a small container into a large container?
If the volume of a container is decreased, the gas molecules have less space in which to move around. As a result, they will strike the walls of the container more often, and the pressure increases.
What causes the density of a balloon to decrease?
The density of a gas in the hot air balloon decreases as soon as the gas is heated because, with the increase in the temperature, the volume of gas… See full answer below.
When you squeeze a gas it gets smaller?
Because there is so much empty space between gas molecules, it is easy to see why a gas is so compressible. If you have a container filled with a gas, you can squeeze it down to a smaller volume by applying pressure. The harder you squeeze (the more pressure you apply) the smaller the resulting volume will be.
What do you expect to happen to the volume of a gas if its pressure is doubled and its temperature is reduced to half?
The volume of the gas will increase by a factor of 2⋅2=4 .
What happens to the volume of a gas during compression quizlet?
What happens to the volume of a gas during compression? The volume decreases.
What happens to the density of a gas when its container is reduced to half its volume?
Reducing the volume of the gas to half will reduce the number of moles of the gas to half and thus the mass of the gas inside the vessel will be half of the original mass. Thus the density of the gas remains the same.
What happens if volume is halved?
If volume increases, then pressure decreases and vice versa, when the temperature is held constant. Therefore, when the volume is halved, the pressure is doubled; and if the volume is doubled, the pressure is halved.