What would happen if the air inside a hot air balloon cooled down?

What would happen if the air inside a hot air balloon cooled down?
by

1 Answer

Answer :

What is the answer ?
by

Related questions

Hot air balloons float in air because of the low density of the air inside the balloon. Explain this with the help of an appropriate gas law.

Description : Hot air balloons float in air because of the low density of the air inside the balloon. Explain this with the help of an appropriate gas law.

Last Answer : Hot air balloons float in air because of the low density of the air inside the balloon. Explain this with the help of an appropriate gas law.

A balloon that contains 0.75 L of a gas at 25°C is cooled to –100°C. Calculate the new volume of the balloon.?

Description : A balloon that contains 0.75 L of a gas at 25°C is cooled to –100°C. Calculate the new volume of the balloon.?

Last Answer : dlId0

Have you ever been in a hot air balloon?

Description : Have you ever been in a hot air balloon?

Last Answer : I grew up with this type of activity. My aunt makes hot air balloons for Minnesota, London Canada and Wisconsin. It is really a beautiful site when they are all going up for a festival :-)

Hot air balloon ride in San Francisco?

Description : Hot air balloon ride in San Francisco?

Last Answer : I think you’ll fid what you are looking for here

One sunny afternoon, three men go for a ride on a hot air balloon over the Sahara desert. An hour into the trip, the balloon begins to lose altitude. A month later, someone found one of the ballooners laying on the desert sand dead, naked, and holding half a toothpick. What happened to him? -Riddles

Description : One sunny afternoon, three men go for a ride on a hot air balloon over the Sahara desert. An hour into the trip, the balloon begins to lose altitude. A month later, someone found one of the ballooners laying on the desert sand dead, naked, and holding half a toothpick. What happened to him? -Riddles

Last Answer : As the balloon lost altitude, the men took of their clothes and threw them overboard to decrease the weight of the balloon. The balloon continued to drop so the men drew straws to see who would be forced to jump. The dead man in the desert drew the shortest one (the half toothpick).

True or false? No one has ever traveled around the world in a hot air balloon. -General Knowledge

Description : True or false? No one has ever traveled around the world in a hot air balloon. -General Knowledge

Last Answer : False, pilot Steve Fossett has traveled around the world in a hot air balloon.

What keeps the hot air balloon in the air?

Description : That it doesn't fall ....

Last Answer : The buoyancy of the balloon is lighter than the surrounding cold air of the same volume

How to control a hot air balloon?

Description : Do you think it only flies where the wind blows? Or that it can be controlled differently?

Last Answer : It only flies where the wind blows ... ;-) It can only be controlled in the vertical direction (heat - rise, heat - fall) - and thus you can choose (or) the height (air layer) with ´suitable´flow direction - the wind does not blow in the same direction (or speed) everywhere.

A hot air balloon has a volume of 2800 m^3 at 99°C. What is the volume if the air cools to 80°C?

Description : A hot air balloon has a volume of 2800 m^3 at 99°C. What is the volume if the air cools to 80°C?

Last Answer : A hot air balloon has a volume of 2800 m3 at 99°C. What is the volume if the air cools to 80°C?

What is a hot air balloon?

Description : What is a hot air balloon?

Last Answer : At the end of a hot air balloon flight the heated air inside isallowed to escape through a panel that is opened either in the topor side of the balloon envelope. The crew then squeezes ... then packs it away in a largebag ready for the next flight. This process is called deflating theballoon

How high will you go with a hot air balloon tour?

Description : How high will you go with a hot air balloon tour?

Last Answer : While a hot air balloon can fly several miles in the air, a tour balloon will generally only go about a mile up due to pressure concerns.

Will there be hot air balloon rides for the Spring Poppy Festival?

Description : Will there be hot air balloon rides for the Spring Poppy Festival?

Last Answer : It looks like there will be hot air balloon rides at the Spring Poppy Festival!

What happens when a balloon with little air is tied to the mouth of a bottle with hot water? Why?

Description : What happens when a balloon with little air is tied to the mouth of a bottle with hot water? Why?

Last Answer : The balloon increases in size because temperature increases kinetic energy of gas molecules of balloon. This increases the random movement of gas molecules. Hence the volume increases gradually.

Who invented the Hot Air Balloon? A. Davy B. Montgolfier (Answer) C. Edison D. Jarvik

Description : Who invented the Hot Air Balloon? A. Davy B. Montgolfier (Answer) C. Edison D. Jarvik

Last Answer : B. Montgolfier (Answer)

The term "cooling range" in a cooling tower refers to the difference in the temperature of (A) Cold water leaving the tower and the wet bulb temperature of the surrounding air(B) Hot water entering the tower and the wet bulb temperature of thesurrounding air(C) Hot water entering the tower and the cooled water leaving the tower(D) None of these

Description : The term "cooling range" in a cooling tower refers to the difference in the temperature of (A) Cold water leaving the tower and the wet bulb temperature of the surrounding air (B) Hot water entering the ... air (C) Hot water entering the tower and the cooled water leaving the tower (D) None of these

Last Answer : (C) Hot water entering the tower and the cooled water leaving the tower

The term "approach" in a cooling tower refers to the difference in the temperature of the (A) Cold water leaving the tower and the wet bulb temperature of the surrounding air (B) Hot water entering the tower and the wet bulb temperature of the surrounding air (C) Hot water entering and the cooled water leaving the cooling tower (D) None of these

Description : The term "approach" in a cooling tower refers to the difference in the temperature of the (A) Cold water leaving the tower and the wet bulb temperature of the surrounding air (B ... (C) Hot water entering and the cooled water leaving the cooling tower (D) None of these

Last Answer : (A) Cold water leaving the tower and the wet bulb temperature of the surrounding air

Which of the following situations can be approximated to a steady state heat transfer system? (A) A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmospheric air at 35°C (B) 10 kg of dry saturated steam at 8 kgf/cm2 flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C (C) Boiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C (D) A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C

Description : Which of the following situations can be approximated to a steady state heat transfer system? (A) A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmospheric air at ... flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C

Last Answer : (B) 10 kg of dry saturated steam at 8 kgf/cm2 flowing through a short length of stainless steel pipe exposed to atmospheric air at 35°C

Air cooled engine is preferred in which condition? A. Cool condition C. Humid condition B. Hot zone. D. None of the above

Description : Air cooled engine is preferred in which condition? A. Cool condition C. Humid condition B. Hot zone. D. None of the above

Last Answer : Hot zone

What happen with the air in a soccer ball with a cooled?

Description : What happen with the air in a soccer ball with a cooled?

Last Answer : What is the answer ?

What happen with the air in a soccer ball with a cooled and heated?

Description : What happen with the air in a soccer ball with a cooled and heated?

Last Answer : The air pressure goes down when cooled, goes up when heated. Asoccer ball left outdoors in freezing weather does not have muchbounce. Left outside on a hot day, has a lot of bounce.

What happen with the air in a soccer ball with a cooled and heated?

Description : What happen with the air in a soccer ball with a cooled and heated?

Last Answer : The air pressure goes down when cooled, goes up when heated. Asoccer ball left outdoors in freezing weather does not have muchbounce. Left outside on a hot day, has a lot of bounce.

What has to happen for Condensation to occur in nature air must be cooled to its dew point and there must be some kind of solid surface present true or false?

Description : What has to happen for Condensation to occur in nature air must be cooled to its dew point and there must be some kind of solid surface present true or false?

Last Answer : 1

A hydrogen balloon floats because of – (1) Air pressure decreases with decrease in height (2) Air pressure decreases with decrease in weight (3) Weight of the balloon is less than the weight of air displaced by it (4) The pressure inside the balloon is more than the pressure outside it

Description : A hydrogen balloon floats because of – (1) Air pressure decreases with decrease in height (2) Air pressure decreases with decrease in weight (3) Weight of the balloon is less than the weight of air displaced by it (4) The pressure inside the balloon is more than the pressure outside it

Last Answer : (3) Weight of the balloon is less than the weight of air displaced by it Explanation: A hydrogen atom is very light. Most of the air on earth is made up of nitrogen, oxygen, and carbon dioxide. ... grams per liter. Nitrogen, which makes up 80% of the air we breathe, weighs 1.2506 grams per liter.

A hydrogen balloon floats up because of (1) air pressure decreases with decrease in height (2) air pressure decreases with decrease in weight (3) weight of the balloon is less than the weight of air displaced by it. (4) the pressure inside the balloon is more than the pressure outside it

Description : A hydrogen balloon floats up because of (1) air pressure decreases with decrease in height (2) air pressure decreases with decrease in weight (3) weight of the balloon is less than the weight of air displaced by it. (4) the pressure inside the balloon is more than the pressure outside it

Last Answer : weight of the balloon is less than the weight of air displaced by it.

The door of a running refrigerator inside a room was left open. Which of the following statements is correct?  (a) The room will be cooled to the temperature inside the refrigerator.  (b) The room will be cooled very slightly.  (c) The room will be gradually warmed up.  (d) The temperature of the air in room will remain unaffected.  (e) any one of above is possible depending on the capacity.

Description : The door of a running refrigerator inside a room was left open. Which of the following statements is correct?  (a) The room will be cooled to the temperature inside the refrigerator.  (b) The room ... air in room will remain unaffected.  (e) any one of above is possible depending on the capacity.

Last Answer : Answer : c

A balloon filled with helium rises in air because – (1) air exerts an upward force on the balloon (2) the balloon is weightless (3) helium is less dense than air (4) helium pushes down on the air below the balloon

Description : A balloon filled with helium rises in air because – (1) air exerts an upward force on the balloon (2) the balloon is weightless (3) helium is less dense than air (4) helium pushes down on the air below the balloon

Last Answer : (3) helium is less dense than air Explanation: A gas balloon is any balloon that stays aloft due to being filled with a gas less dense than air or lighter than air (such as helium ... balloons) as the dominant form of airship. as balloons remained popular throughout the age before powered flight.

A balloon filled with helium rises in air because (1) air exerts an upward force on the balloon (2) the balloon is weightless (3) helium is less dense than air (4) helium pushes down on the air below the balloon

Description : A balloon filled with helium rises in air because (1) air exerts an upward force on the balloon (2) the balloon is weightless (3) helium is less dense than air (4) helium pushes down on the air below the balloon

Last Answer : helium is less dense than air

Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air. (A) Wet bulb (B) Dry bulb (C) Saturation (D) Dew point

Description : Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air. (A) Wet bulb (B) Dry bulb (C) Saturation (D) Dew point

Last Answer : Option A

What would happen if you could fill a balloon with a vacuum?

Description : What would happen if you could fill a balloon with a vacuum?

Last Answer : It would suck in on itself. It would not maintain its shape.

The reason for Rajasthan being deficient in rainfall is: (a) the monsoon fail to reach this area (b) it is too hot (c) there is no water available and thus the winds remain dry (d) the winds do not come across any barrier to cause necessary uplift to be cooled

Description : The reason for Rajasthan being deficient in rainfall is: (a) the monsoon fail to reach this area (b) it is too hot (c) there is no water available and thus the winds remain dry (d) the winds do not come across any barrier to cause necessary uplift to be cooled

Last Answer : Ans: (d)

What happen to a given mass of water as it is cooled from 4° to 0°?

Description : What happen to a given mass of water as it is cooled from 4° to 0°?

Last Answer : Expands

If you started with 100 grams of each of the materials below and they all vaporized inside of an inflatable balloon, which of them would produce the largest volume balloon, assuming they were all at the same temperature? w) water x) gasoline y) ethanol z) butane

Description : If you started with 100 grams of each of the materials below and they all vaporized inside of an inflatable balloon, which of them would produce the largest volume balloon, assuming they were all at the same temperature? w) water x) gasoline y) ethanol z) butane 

Last Answer : ANSWER: W -- WATER 

(4) Liquid Hydrogen + Liquid Oxygen Explanation: LOX and liquid hydrogen, used in the Space Shuttle orbiter, the Centaur upper stage of the Atlas V, Saturn V upper stages, the newer Delta IV rocket, the H-IIA rocket, and most stages of the European Ariane rockets. Liquid fueled rocicets have higher specific impulse than solid rockets and are capable of being throttled, shut down, and restarted. Only the combustion chamber of a liquid fueled rocket needs to withstand high combustion pressures and temperatures and they can be regeneratively cooled by the liquid propellant.

Description : (4) Liquid Hydrogen + Liquid Oxygen Explanation: LOX and liquid hydrogen, used in the Space Shuttle orbiter, the Centaur upper stage of the Atlas V, Saturn V upper stages, the ... to withstand high combustion pressures and temperatures and they can be regeneratively cooled by the liquid propellant.

Last Answer : The BOD values of water indicate the (1) amount of organic debris (2) amount of oxygen used for biochemical oxidation (3) amount of oxygen used for biochemical reduction (4) amount of ozone used for biochemical oxidation

The gas used in a refrigerator is - (1) cooled down on flowing (2) heated up on flowing (3) cooled down when compressed (4) cooled down when expanded

Description : The gas used in a refrigerator is - (1) cooled down on flowing (2) heated up on flowing (3) cooled down when compressed (4) cooled down when expanded

Last Answer : (4) cooled down when expanded Explanation: Common refrigerants used in various applications are ammonia, sulfur dioxide, and non-halogenated hydrocarbons such as propane. Compressing these gasses into liquids they are made to give up their heat.

Pick out the correct statement. (A) A real gas on expansion in vacuum gets heated up (B) An ideal gas on expansion in vacuum gets cooled (C) An ideal gas on expansion in vacuum gets heated up (D) A real gas on expansion in vacuum cools down whereas ideal gas remains unaffected

Description : Pick out the correct statement. (A) A real gas on expansion in vacuum gets heated up (B) An ideal gas on expansion in vacuum gets cooled (C) An ideal gas on expansion in vacuum gets heated up (D) A real gas on expansion in vacuum cools down whereas ideal gas remains unaffected

Last Answer : (D) A real gas on expansion in vacuum cools down whereas ideal gas remains unaffecte

Pick up the correct statement from the following: (A) The baked earth is called terra-cotta (B) The articles prepared from clay which is burnt at low temperature and cooled down slowly, are called earthen-ware (C) The articles prepared from refractory clays which as mixed with stone and crushed pottery, are called stone ware (D) All the above

Description : Pick up the correct statement from the following: (A) The baked earth is called terra-cotta (B) The articles prepared from clay which is burnt at low temperature and cooled down slowly, are called ... clays which as mixed with stone and crushed pottery, are called stone ware (D) All the above

Last Answer : Answer: Option D

The radius of a spherical balloon increases from 7cm to 14cm as air is being pumped into it. Find the ratio of surface areas of the balloon in the two cases. -Maths 9th

Description : The radius of a spherical balloon increases from 7cm to 14cm as air is being pumped into it. Find the ratio of surface areas of the balloon in the two cases. -Maths 9th

Last Answer : Let r1 and r2 be the radii of spherical balloon and spherical balloon when air is pumped into it respectively. So r1 = 7cm r2 = 14 cm Now, Required ratio = (initial surface area)/(Surface area after pumping air into ... = (7/14)2 = (1/2)2 = ¼ Therefore, the ratio between the surface areas is 1:4.

The radius of a spherical balloon increases from 6 cm to 12 cm as air is being pumped into it. -Maths 9th

Description : The radius of a spherical balloon increases from 6 cm to 12 cm as air is being pumped into it. -Maths 9th

Last Answer : Surface area of a spherical balloon whose radius is 6 cm. = 4π × 6 × 6 cm2 Surface area of a spherical balloon whose radius is 12 cm. = 4π × 12 × 12 cm2 ∴ Ration of surface areas = 4π × 6 × 6 / 4π × 12 × 12 = 1 / 4 = 1 : 4

The radius of a spherical balloon increases from 6 cm to 12 cm as air is being pumped into it. -Maths 9th

Description : The radius of a spherical balloon increases from 6 cm to 12 cm as air is being pumped into it. -Maths 9th

Last Answer : Surface area of a spherical balloon whose radius is 6 cm. = 4π × 6 × 6 cm2 Surface area of a spherical balloon whose radius is 12 cm. = 4π × 12 × 12 cm2 ∴ Ration of surface areas = 4π × 6 × 6 / 4π × 12 × 12 = 1 / 4 = 1 : 4

The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. -Maths 9th

Description : The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. -Maths 9th

Last Answer : NEED ANSWER

The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. -Maths 9th

Description : The radius of a hemispherical balloon increases from 6 cm to 12 cm as air is being pumped into it. -Maths 9th

Last Answer : Find the ratios of the surface areas of the balloon in the two cases.

(a) Draw a diagram of human respiratory system and label the following: (i) part where air is filtered by fine hair and mucus (ii) part which terminates in balloon – like structures (iii) balloon – like structures where exchange of gases takes place. (iv) part which separates chest cavity from abdominal cavity. (b) Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms? -Biology

Description : (a) Draw a diagram of human respiratory system and label the following: (i) part where air is filtered by fine hair and mucus (ii) part which terminates in balloon - like structures (iii) ... (b) Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms? -Biology

Last Answer : (a) (b) Quantity of dissolved oxygen is fairly low in water as compared to the amount of oxygen in air. Aquatic organisms therefore have to breath faster than terrestrial organisms to absorb the required amount of oxygen from the water.

What keeps the flying balloon in the air?

Description : What is it that flies?

Last Answer : Archimedes' law - also applies to gases ...

A balloon is inflated with helium gas at room temperature of 25 °C and at 1 bar pressure when its initial volume is 2.27L and allowed to rise in air.

Description : A balloon is inflated with helium gas at room temperature of 25 °C and at 1 bar pressure when its initial volume is 2.27L and allowed to rise in air.

Last Answer : A balloon is inflated with helium gas at room temperature of 25 °C and at 1 bar pressure when ... at which volume of the balloon can stay inflated ?

When you rub an air filles balloon with your dry hair and press it against the wall . Explain why?

Description : When you rub an air filles balloon with your dry hair and press it against the wall . Explain why?

Last Answer : The friction from rubbing the balloon against your hair charges the balloon up with static electricity.

Why would a balloon filled with air in a freezer shrink?

Description : Why would a balloon filled with air in a freezer shrink?

Last Answer : The low temperature inside the freezer causes the air inside theballoon to contract.

What is a weather balloon device for measuring air pressure temperature and relative humidity is called?

Description : What is a weather balloon device for measuring air pressure temperature and relative humidity is called?

Last Answer : A+ Radiosonde

Where can I find air balloon rides for cheap?

Description : Where can I find air balloon rides for cheap?

Last Answer : Type in cheap balloon rides on your computer and it should give you different prices for different companies. They may only do them for special occasions like weddings, for example.

A hydrogen filled balloon rises in air because (a) The atmospheric pressure decreases with altitude (b) The acceleration due to gravity decreases with altitude (c) The density of air decreases with altitude (d) The buoyant force exerted by the air on the balloon is greater than the weight of the balloon

Description : A hydrogen filled balloon rises in air because (a) The atmospheric pressure decreases with altitude (b) The acceleration due to gravity decreases with altitude (c) The density of air decreases with ... The buoyant force exerted by the air on the balloon is greater than the weight of the balloon

Last Answer : Ans:(d)