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Pressure will rise as it is heated and lower as it is cooled according to Gay-Lussac's law.
See link below for more information. The pressure will go up. An easy way to remember this is PTV. P for pressure, T for temperature, and V for volume. Write this on a piece of paper. Put you finger on whichever one is staying the same, and push up or down on the one that is changing, and the one you leave along will show you the change.

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8y ago
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12y ago

As the temperature goes up so does the pressure.

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12y ago

P1V1/T1 = P2V2/T2 so with pressure constant V1/T1 = V2/T2 and thus an increase in temperature will result in an increase in volume to balance out.

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14y ago

The pressure increases.

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11y ago

your mother

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Q: If pressure is constant how does a change in temperature affect the volume of a gas?
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Related questions

What must the temperature be for the gas to remain at a constant pressure?

"Constant pressure" means the pressure must not change.


What usually happens in general for a gas at a constant volume?

The gas volume become constant when the pressure is increased to a point that makes the distance between the gas molecules equal to zero at this point no more increase of temperature with pressure is observed. Or if the pressure and temperature are kept constant within a system then the volume can also be constant as long as you are able to maintain the pressure and temperature at constant level.


When scientists record the volume on a gas why do they also record the temperature and the pressure?

because the volume of the gas is dependent upon the temperature and pressure. This is also important in the identification of the molecular mass of an unknown gaseous element.


How is isothermal possible in a balloon?

Isothermal is where pressure and/or volume changes, but temperature remains constant. Pressure, Volume, and Temperature are related as: PV = nRT =NkT for an ideal gas. Here, we see that since a balloon's volume is allowed to change, its pressure remains relatively constant. Whenever there is a pressure change, it'll be offset by an equivalent change in volume, thus temperature is constant.


Does the frequency of a wave remain constant if the medium temperature and pressure do not change?

no


Is temperature the only thing that affects density?

It is the easiest way to affect the volume which would change the density. However, if you increase the pressure but keep temperature constant the volume will also change. Any change in volume affects density.


Pressure and volume change at a constant temperature who's law is this?

Boyles Law


What happens to the speed of a wave of the medium temperature and pressure do not change?

remains constant


How does the volume of a gas change when it's temperature is increased at constant pressure?

The volume decreases


What are the effects of temperature and volume of gas samples at constant pressure?

If the volume is constant, the density does not change with temperature. With increasing temperature there is still the same number of molecules confined to the same volume of space, so no difference in density.


How does volume of matter change with increase in temperature?

Assuming that pressure and the amount of matter are constant (meaning they do not change), volume will increase as temperature increases.


Is it true that a change in pressure may affect the equilibrium position but has no effect on the equilibrium constant?

No.