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Q: If a balloon containing 3000 L of gas at 39 and degC and 99 kPa rises to an altitude where the pressure is 45.5 kPa and the temperature is 16 and degC the volume of the balloon under these new conditi?
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Would there be more air pressure in a balloon at sea level or high in the sky?

provided the balloon has not reached its elastic limit (it has burst!), the air pressure inside and outside will essentially be equal. [The pressure inside will be slightly less, which is where the lift comes from.] But even at altitude, the pressure will be approximately equal in and out, for at altitude, the balloon will have swelled, thus reducing the internal pressure. It will eventually reach an altitude at which the internal pressure and the external pressure will be equal, and the balloon will have reached maximum expansion. Filled at sea level, a balloon will seem empty and floppy, and very tall and thin. At altitude the balloon will fill out as the external pressure reduces.


What would happen if a balloon that was blown up at a low altitude is brought to a high altitude?

The ballon will most likely pop. The balloon will shrink.


What is the pressure in a 0.34 L balloon if the temperature is 35C and the balloon contains 0.0233 mol of an ideal gas?

the pressure is 1.73289 ATM (atmospheres)


The volume of the balloon is 3 liters at a temperature of 300 degrees kelvin What will the volume of the balloon be if the temperature rises to 350?

3.5 litre if pressure is kept constant.


Why do weather balloons pop at certain altitudes?

As it rises up it goes into a region of lower pressure (pressure decreases in altitude) ans as it enters this region the gases in the balloon expand due to a thermodynamic relationship. Pressure and volume of the gas are related. PV= nRT (rearranged to P= nRT/V). So as it goes up in altitude the pressure goes down thus making the volume increase causing it to pop.

Related questions

Would there be more air pressure in a balloon at sea level or high in the sky?

provided the balloon has not reached its elastic limit (it has burst!), the air pressure inside and outside will essentially be equal. [The pressure inside will be slightly less, which is where the lift comes from.] But even at altitude, the pressure will be approximately equal in and out, for at altitude, the balloon will have swelled, thus reducing the internal pressure. It will eventually reach an altitude at which the internal pressure and the external pressure will be equal, and the balloon will have reached maximum expansion. Filled at sea level, a balloon will seem empty and floppy, and very tall and thin. At altitude the balloon will fill out as the external pressure reduces.


Why does a partially inflated balloon expand as it rises?

The pressure in the balloon stays the same, but the pressure outside drops as the altitude increases. And as the outside pressure drops, the balloon expands.


How does the sun make a balloon shrink?

it isn't the sun that causes the balloon to shrink. its the pressure. the higher the altitude, the higher the pressure.


What might cause a balloon blown up at low altitude to burst if it is taken to a higher altitude?

at altitude the balloon's external air pressure has been greatly reduced, often expanding the balloon to the bursting point.


Does the pressure inside the bag of balloon increases or decreases?

As the bag of balloon rises, the pressure inside the bag of balloon decreases. Air pressure generally decreases as the altitude increases.


What temperature must it be outside for a balloon to float?

Outside temperature is largely immaterial. It is really the difference between the temperature inside and outside of the balloon envelope that generates the lift. If both are exactly the same, then the balloon will simply fall under gravity -- it has no buoyancy. As the inside temperature increases, so does its buoyancy. Eventually, the difference will be sufficient to overcome gravity, and the greater the difference, the faster it will rise. When the optimum altitude is achieved, the air inside is allowed to cool to an optimum level to maintain that altitude; the optimum temperature will vary according to the outside temperature and the weight of the balloon. The outside temperature will vary according to altitude, as will air pressure outside of the balloon, therefore there is no single answer to the question. It is the difference in temperature that is important, not the actual temperature.


How does the altitude effect the size of a balloon?

As the external pressure drops with increasing altitude, balloons generally expand with height.


What happens to the hot air balloon when it reaches an altitude of 10000 meters?

the air pressure outside of the balloon decreases.


How does changing the temperature of the gas inside a balloon affect the pressure inside the balloon?

The higher the temperature, the higher the pressure and vice versa. When the temperature rises the gas molecules move faster and hit the balloon more often and with more energy.


As the altitude increases does air pressure increase or decrease?

decrease as if you go deep into the earth the pressure increases If you blow a balloon up at sea level, and take it up to the top of the largest mountain, if the balloon hasn't pop, it would be bigger there than at sea level, because there is less air pressure as you increase your altitude, so the air within the balloon was "compacted" more or less at sea level and brought to a altitude where air was thinner and the air within the balloon would expand to try to compensate for the difference in pressure.


Why do most balloons burst as they ascend high altitude?

The internal pressure of the gasses inside a balloon remains constant while external air pressure decreases as the balloon ascends. As the balance between the two changes, the pressure inside becomes progressively greater than the pressure outside, so the balloon expands. If it expands beyond the ability of the balloon material to contain it, the balloon will burst.


What would happen if a balloon that was blown up at a low altitude is brought to a high altitude?

The ballon will most likely pop. The balloon will shrink.