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 gas in a container expands to twice its volume with no change in temperature 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.
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 temperature of a gas when it is compressed?
When we compress the gas, pressure increases, which means temperature also increases.
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.
When the temperature and number of particles of a gas are constant What is also constant?
Volume is inversely proportional to pressure, if the number of particles and the temperature are constant. There are two ways for the pressure to remain the same as the volume increases.
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 .
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.
What can be said about the pressure of an inflated balloon quizlet?
The gas pressure inside an inflated rubber balloon is always greater than the air pressure outside. Explain. The stretched rubber of an inflated balloon provides an inward pressure. So the pressure inside is balanced by the sum of two pressures; the outside air pressure plus the pressure of the stretched balloon.
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.
What happens when a gas is squashed at a constant temperature?
This means that the average force exerted by the gas particles on the container walls increases and therefore the gas exerts a greater pressure. So when the volume of a gas at a constant temperature is decreased (by reducing the container's volume), then the pressure of the gas increases.
What happens to the temperature of a gas when it is compressed and pressure remains constant?
When we compress the gas, pressure increases, which means temperature also increases.
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 happens to the pressure of a gas inside a container if the temperature of the gas decreases?
The kinetic energy of the gas molecules increases, so collisions with the walls of the container are now more forceful than they were before. As a result, the pressure of the gas doubles. Decreasing the temperature would have the opposite effect, and the pressure of an enclosed gas would decrease.
What happens to the temperature of gas when it is compressed?
When we compress the gas, pressure increases, which means temperature also increases.
What happens to the volume of a gas when its pressure is reduced to half?
For a fixed mass of gas at constant temperature, the volume is inversely proportional to the pressure. That means that, for example, if you double the pressure, you will halve the volume. If you increase the pressure 10 times, the volume will decrease 10 times.
When the volume is halved what happens to the pressure Why?
Another way of thinking about this law is that the values of pressure and volume are inversely proportional; if one goes up, the other must decrease by the same factor. If you trap gas in a cylinder, and then reduce the internal volume of the cylinder to half its original value, the pressure will double.
What happens to the volume of a gas when 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.
How are temperature pressure and volume of a gas related?
Key Concepts and Summary The volume of a given gas sample is directly proportional to its absolute temperature at constant pressure (Charles's law). The volume of a given amount of gas is inversely proportional to its pressure when temperature is held constant (Boyle's law).
Why is the gas pressure inside an inflated balloon always greater than the air pressure outside?
The gas pressure inside an inflated rubber balloon is always greater than the air pressure outside because the pressure inside balances the atmospheric pressure as well as the pressure resulting from the walls of the balloon.
Why does a partially inflated weather balloon expand as it rises?
As the balloon rises, the gas inside the balloon expands because the atmospheric pressure surrounding the balloon drops. The atmosphere is 100 to 200 times less dense at the float altitudes than on the ground.
When the temperature of the air in a balloon is raised the volume of the balloon?
Answer 2: As temperature increases, so does the volume of the balloon. In fact, they are proportional to each other if pressure does not change. There is a catch though: in order to be able to perform calculations, you need to use what is known as absolute temperature.
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!
What happen if a gas in a container is compressed slowly at a constant temperature?
Therefore all the atoms which are in the vessel will have picked up speed. This means that when we compress a gas slowly, the temperature of the gas increases.
What is the effect of the pressure of a gas if it is compressed at constant temperature?
This means that the average force exerted by the gas particles on the container walls increases and therefore the gas exerts a greater pressure. So when the volume of a gas at a constant temperature is decreased (by reducing the container's volume), then the pressure of the gas increases.
What happens to the temperature of a gas when you compress it?
When we compress the gas, pressure increases, which means temperature also increases.
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.
What will happen to the volume of gas if the pressure is constant and the temperature is decreased?
If temperature is held constant, the equation is reduced to Boyle's law. Therefore, if you decrease the pressure of a fixed amount of gas, its volume will increase. However, if you were to maintain a constant volume while decreasing pressure, the temperature would also have to decrease.
What happens to the volume of an ideal gas if you halve the temperature at a fixed pressure?
Step 1: halving the pressure at constant temperature means half the volume compression, so the volume doubles after step 1.