Balloons Answers
How long does it take for latex balloons to deflate?
Q. I need to blow up 108 balloons with air, not helium, and I need to know when I can blow them up so that they will still be blown up on the day of when i need to use them. Any help is welcome, thanks! So, could I do them a few days before I need them?
Asked by xoxotucker1228 - Wed Feb 10 10:01:26 2010 - Hobbies & Crafts - 2 Answers - Comments
A. we used these for my daughters christening and was pretty suprised that a week later they were still fully inflated!
Answered by chedz - Wed Feb 10 11:34:41 2010
Q. I need to blow up 108 balloons with air, not helium, and I need to know when I can blow them up so that they will still be blown up on the day of when i need to use them. Any help is welcome, thanks! So, could I do them a few days before I need them?
Asked by xoxotucker1228 - Wed Feb 10 10:01:26 2010 - Hobbies & Crafts - 2 Answers - Comments
A. we used these for my daughters christening and was pretty suprised that a week later they were still fully inflated!
Answered by chedz - Wed Feb 10 11:34:41 2010
If I mail some balloons filled with helium will they deflate before they reach their destination?
Q. I want to mail some balloons filled with helium in a big box. So when the box is opened the balloons come out. Will the balloons deflate before they get there? Only serious answers please. Its for my nephew's b-day.
Asked by Crystol B - Mon Oct 1 11:53:53 2007 - Hobbies & Crafts - 7 Answers - Comments
A. It looks like the ones in the stores stay up for a few days. Check with them as they have ones that are sealed differently than you would and would have different sayings on them. I would say the regular ballons would not have a chance and what would keep the box from floating away which ever way you do it? I am not trying to be funny but you will have to think about putting excess weight in them to keep that from happening.
Answered by Mommiedearest - Mon Oct 1 16:50:33 2007
Q. I want to mail some balloons filled with helium in a big box. So when the box is opened the balloons come out. Will the balloons deflate before they get there? Only serious answers please. Its for my nephew's b-day.
Asked by Crystol B - Mon Oct 1 11:53:53 2007 - Hobbies & Crafts - 7 Answers - Comments
A. It looks like the ones in the stores stay up for a few days. Check with them as they have ones that are sealed differently than you would and would have different sayings on them. I would say the regular ballons would not have a chance and what would keep the box from floating away which ever way you do it? I am not trying to be funny but you will have to think about putting excess weight in them to keep that from happening.
Answered by Mommiedearest - Mon Oct 1 16:50:33 2007
How many molecules of gas are in these balloons?
Q. C. Two balloons are side by side in a room. One is filled with 2 moles of helium gas and one is filled with 2 moles of oxygen gas. They are the same size. What conditions must exist for this to be so? D. How many molecules of gas are in each balloon? E. Imagine that both of these are tightly sealed. By the next day, the helium- filled balloon has become much smaller than the oxygen-filled balloon. If the temperature and pressure in the room did not change, why did this happen? I think that you are supposed to use kinetic molecular theory to answer this question.
Asked by cetinnovations - Tue Nov 21 23:37:36 2006 - Chemistry - 1 Answers - Comments
A. For C, that would normally be true. For D, the answer is 1.2X10^24 atoms. For E, helium atoms escaped through effusion.
Answered by metatron - Tue Nov 21 23:51:28 2006
Q. C. Two balloons are side by side in a room. One is filled with 2 moles of helium gas and one is filled with 2 moles of oxygen gas. They are the same size. What conditions must exist for this to be so? D. How many molecules of gas are in each balloon? E. Imagine that both of these are tightly sealed. By the next day, the helium- filled balloon has become much smaller than the oxygen-filled balloon. If the temperature and pressure in the room did not change, why did this happen? I think that you are supposed to use kinetic molecular theory to answer this question.
Asked by cetinnovations - Tue Nov 21 23:37:36 2006 - Chemistry - 1 Answers - Comments
A. For C, that would normally be true. For D, the answer is 1.2X10^24 atoms. For E, helium atoms escaped through effusion.
Answered by metatron - Tue Nov 21 23:51:28 2006
How long is Helium suppose to last in balloons?
Q. I just have these balloons that you get for like baby showers and stuff (the foil-ish type) and they've lasted for about 2 weeks. Is this werid?
Asked by Curious - Sat Mar 19 20:26:00 2011 - Physics - 3 Answers - Comments
A. the helium leaks out of rubber balloons through the minuscule pores in the balloons surface. These are the foil kind so it is a lot less porous than the rubber kind. This isn't weird, its natural. If it is in a completely sealed environment then the balloon will be elevated indefinitely.
Answered by Teelo - Sat Mar 19 20:32:12 2011
Q. I just have these balloons that you get for like baby showers and stuff (the foil-ish type) and they've lasted for about 2 weeks. Is this werid?
Asked by Curious - Sat Mar 19 20:26:00 2011 - Physics - 3 Answers - Comments
A. the helium leaks out of rubber balloons through the minuscule pores in the balloons surface. These are the foil kind so it is a lot less porous than the rubber kind. This isn't weird, its natural. If it is in a completely sealed environment then the balloon will be elevated indefinitely.
Answered by Teelo - Sat Mar 19 20:32:12 2011
How many balloons will fit in a small car?
Q. I'm trying to play a prank on someone and fill their car entirely with balloons. I believe it's an old 2-door camry. How many balloons will fit inside? I have a large car. I'm going to blow them up before hand and then stuff them all in their car. They are 12" balloons, air not helium.
Asked by gym-maddie - Wed Feb 18 20:37:53 2009 - Other - Cars & Transportation - 5 Answers - Comments
A. That would depend on how big the balloons are when inflated. If you got average size balloons and inflated them to roughly a diameter of 10 to 12 inches you might get as many as 50 stuffed in.r
Answered by ronald h - Wed Feb 18 20:51:09 2009
Q. I'm trying to play a prank on someone and fill their car entirely with balloons. I believe it's an old 2-door camry. How many balloons will fit inside? I have a large car. I'm going to blow them up before hand and then stuff them all in their car. They are 12" balloons, air not helium.
Asked by gym-maddie - Wed Feb 18 20:37:53 2009 - Other - Cars & Transportation - 5 Answers - Comments
A. That would depend on how big the balloons are when inflated. If you got average size balloons and inflated them to roughly a diameter of 10 to 12 inches you might get as many as 50 stuffed in.r
Answered by ronald h - Wed Feb 18 20:51:09 2009
Why do balloons deflate when you add papier mache to it?
Q. Five times now, I have covered an inflated balloon with one layer of papier mache and left it to dry overnight. The following morning the balloons have deflated slightly, and therefore I have to start again. Why does this happen and how do I stop it from happening?
Asked by Chris G - Tue May 20 05:48:42 2008 - Hobbies & Crafts - 2 Answers - Comments
A. I don't know why, perhaps something to do with the paper mache pulling moisture from the balloon in the drying process, and deteriorating it's ability to hold the air. Is the balloon kept in a temperature stable environment, gases will contract as the temperature drops, giving the appearance that the air has left; when actually it is only smaller. Have you tried inflating a balloon letting it sit overnight, to see if it deflates the same amount, using it as a control. If so you might try a better/thicker grade of balloon. You may also try coating the balloons with a sealant, like acrylic, or finger paint, something that is neutral in p H, non-acidic, and non-alkali; to create an impermeable barrier. Or increase the temperature in the room… [cont.]
Answered by nashntth - Tue May 20 06:29:58 2008
Q. Five times now, I have covered an inflated balloon with one layer of papier mache and left it to dry overnight. The following morning the balloons have deflated slightly, and therefore I have to start again. Why does this happen and how do I stop it from happening?
Asked by Chris G - Tue May 20 05:48:42 2008 - Hobbies & Crafts - 2 Answers - Comments
A. I don't know why, perhaps something to do with the paper mache pulling moisture from the balloon in the drying process, and deteriorating it's ability to hold the air. Is the balloon kept in a temperature stable environment, gases will contract as the temperature drops, giving the appearance that the air has left; when actually it is only smaller. Have you tried inflating a balloon letting it sit overnight, to see if it deflates the same amount, using it as a control. If so you might try a better/thicker grade of balloon. You may also try coating the balloons with a sealant, like acrylic, or finger paint, something that is neutral in p H, non-acidic, and non-alkali; to create an impermeable barrier. Or increase the temperature in the room… [cont.]
Answered by nashntth - Tue May 20 06:29:58 2008
Why aren't we using weather balloons for transportation?
Q. According to the military, weather balloons, swamp gas, and venus can outperform the most advanced aircrafts in flight manuvering, and are reported by millions of people each year flying overhead. One even crashed in new mexico in 1947. So why don't we use weather balloons to travel since they can rapidly attain speeds in excess of 10,000 mph? Chado it is "common sense." and the question was a pun on investigations such as project blue book.
Asked by Your Silly Prince - Thu Aug 14 20:28:11 2008 - Aircraft - 4 Answers - Comments
A. 10,000 mph and no sonic boom? How's that?
Answered by Mark - Thu Aug 14 22:23:25 2008
Q. According to the military, weather balloons, swamp gas, and venus can outperform the most advanced aircrafts in flight manuvering, and are reported by millions of people each year flying overhead. One even crashed in new mexico in 1947. So why don't we use weather balloons to travel since they can rapidly attain speeds in excess of 10,000 mph? Chado it is "common sense." and the question was a pun on investigations such as project blue book.
Asked by Your Silly Prince - Thu Aug 14 20:28:11 2008 - Aircraft - 4 Answers - Comments
A. 10,000 mph and no sonic boom? How's that?
Answered by Mark - Thu Aug 14 22:23:25 2008
Hot air balloons. What is the first image or series of images to come to mind when you hear that phrase?
Q. I'm a graphic design student trying to design a new identity for an annual balloon invitational. I need something more to work with, because honestly, hot air balloons do look really cool in and of themselves, so many artists have chosen the easy way out and just stuck together a collage or some similar approach, and there hasn't been much 'branching out' with this particular concept. What do you see when you think about hot air balloons? What do you hear? feel? There's no 'bad' idea. Give me anything you think of!
Asked by quesselaurea - Sat Sep 15 16:20:19 2007 - Drawing & Illustration - 5 Answers - Comments
A. i think of clouds.
Answered by Brendan L - Sat Sep 15 16:29:42 2007
Q. I'm a graphic design student trying to design a new identity for an annual balloon invitational. I need something more to work with, because honestly, hot air balloons do look really cool in and of themselves, so many artists have chosen the easy way out and just stuck together a collage or some similar approach, and there hasn't been much 'branching out' with this particular concept. What do you see when you think about hot air balloons? What do you hear? feel? There's no 'bad' idea. Give me anything you think of!
Asked by quesselaurea - Sat Sep 15 16:20:19 2007 - Drawing & Illustration - 5 Answers - Comments
A. i think of clouds.
Answered by Brendan L - Sat Sep 15 16:29:42 2007
How do I display balloons on the wall at a gift shop?
Q. I would like to put inflated balloons on the walls at a gift shop. Can anybody tell me how to do it? I would hate to keep on inflating the balloons every time they become disinflated? Any sugesstions?
Asked by LAURA Z - Wed Jan 10 23:24:49 2007 - Small Business - 2 Answers - Comments
A. Your not supposed to inflate them. Just tac or tape them to the wall. Inflating them every day would be less stressful and still get the point across.
Answered by katchoo_792 - Wed Jan 10 23:32:54 2007
Q. I would like to put inflated balloons on the walls at a gift shop. Can anybody tell me how to do it? I would hate to keep on inflating the balloons every time they become disinflated? Any sugesstions?
Asked by LAURA Z - Wed Jan 10 23:24:49 2007 - Small Business - 2 Answers - Comments
A. Your not supposed to inflate them. Just tac or tape them to the wall. Inflating them every day would be less stressful and still get the point across.
Answered by katchoo_792 - Wed Jan 10 23:32:54 2007
How to get balloons I orally blow air into to float?
Q. I forgot, when you blow air into a balloon through your mouth will it float up to the ceiling? Or do they just sink to the floor? Or MUST I use helium? If so, where do I get helium to blow up those regular balloons?
Asked by CSenta - Sun Oct 25 22:47:38 2009 - Physics - 1 Answers - Comments
A. No, when you blow air into a balloon it will not float. It will sink to the floor. You MUST use helium. You can purchase a smaller size helium tank at a party supply store.
Answered by Maximus A - Sun Oct 25 22:52:45 2009
Q. I forgot, when you blow air into a balloon through your mouth will it float up to the ceiling? Or do they just sink to the floor? Or MUST I use helium? If so, where do I get helium to blow up those regular balloons?
Asked by CSenta - Sun Oct 25 22:47:38 2009 - Physics - 1 Answers - Comments
A. No, when you blow air into a balloon it will not float. It will sink to the floor. You MUST use helium. You can purchase a smaller size helium tank at a party supply store.
Answered by Maximus A - Sun Oct 25 22:52:45 2009
How many balloons can the tank completely fill?
Q. A tank having a volume of 0.13 m3 contains helium gas at 160 atm. How many balloons can the tank completely fill if each filled balloon is a sphere 26 cm in diameter at an absolute pressure of 1.2 atm?
Asked by Spam - Thu Nov 12 18:20:01 2009 - Chemistry - 1 Answers - Comments
A. 0.13 m^3 = 130 dm^3 = 130 L r = 1.3 dm V of one sphere = 4 x 3.14 ( 1.3)^3/3=9.2 dm^3 130 x 160 = V x 1.2 V = 17333 dm^3 17333 / 9.2 =1884
Answered by Dr.A - Fri Nov 13 09:42:09 2009
Q. A tank having a volume of 0.13 m3 contains helium gas at 160 atm. How many balloons can the tank completely fill if each filled balloon is a sphere 26 cm in diameter at an absolute pressure of 1.2 atm?
Asked by Spam - Thu Nov 12 18:20:01 2009 - Chemistry - 1 Answers - Comments
A. 0.13 m^3 = 130 dm^3 = 130 L r = 1.3 dm V of one sphere = 4 x 3.14 ( 1.3)^3/3=9.2 dm^3 130 x 160 = V x 1.2 V = 17333 dm^3 17333 / 9.2 =1884
Answered by Dr.A - Fri Nov 13 09:42:09 2009
balloons ...?
Q. every xmas i blow 100 balloons up and pin them all over the ceiling among the other decorations my kids think its great nobody else i know does this am i old fashion or do you do this as well
Asked by . - Thu Dec 7 16:17:33 2006 - Toys - 7 Answers - 1 Comments
A. i used a few years ago when my kids where younger. never as many as 100 though i used to pass out at about 20 and give up. another good reason to give up the fags
Answered by thuddie - Thu Dec 7 16:21:03 2006
Q. every xmas i blow 100 balloons up and pin them all over the ceiling among the other decorations my kids think its great nobody else i know does this am i old fashion or do you do this as well
Asked by . - Thu Dec 7 16:17:33 2006 - Toys - 7 Answers - 1 Comments
A. i used a few years ago when my kids where younger. never as many as 100 though i used to pass out at about 20 and give up. another good reason to give up the fags
Answered by thuddie - Thu Dec 7 16:21:03 2006
How many balloons would I need full of helium to get off the ground?
Q. I know it sounds like a dumb question, but how many helium filled balloons would it take to lift a 60 pound child off the ground, or to jump off a roof without hurting himself. We never did anything on helium in science so I don't know much about it. I'm not actually planning on jumping off a roof, curiosity killed the cat, so I'm using the internet instead, cats cant use the internet or curiosity would have lost.
Asked by Ben - Thu Nov 5 09:17:00 2009 - Physics - 3 Answers - Comments
A. You need a volume of helium whose difference in mass relative to the atmosphere is greater than your own mass. Helium has a density of about 0.179g/litre at 0 deg C and standard atmospheric pressure. Normal air density is about 1.292g/litre at 0 deg C and standard atmospheric pressure. The difference is 1.113g/litre. The corresponding mass of 60 pounds at the earths surface in gram is 60*454 g = 27240 g So, to lift the 60lb child, you'd need: Volume of helium = mass of child / massdifference per litre of gas. V = 27240g / (1.113g / 1 litre) = 1 litre * 27240 / 1.113 = 24474 litre of helium. This is about 24.5 cubic metres of gas. The number of balloons depends entirely on how big one balloon is and to jump off a roof without hurting… [cont.]
Answered by KingHumpty - Thu Nov 5 09:28:09 2009
Q. I know it sounds like a dumb question, but how many helium filled balloons would it take to lift a 60 pound child off the ground, or to jump off a roof without hurting himself. We never did anything on helium in science so I don't know much about it. I'm not actually planning on jumping off a roof, curiosity killed the cat, so I'm using the internet instead, cats cant use the internet or curiosity would have lost.
Asked by Ben - Thu Nov 5 09:17:00 2009 - Physics - 3 Answers - Comments
A. You need a volume of helium whose difference in mass relative to the atmosphere is greater than your own mass. Helium has a density of about 0.179g/litre at 0 deg C and standard atmospheric pressure. Normal air density is about 1.292g/litre at 0 deg C and standard atmospheric pressure. The difference is 1.113g/litre. The corresponding mass of 60 pounds at the earths surface in gram is 60*454 g = 27240 g So, to lift the 60lb child, you'd need: Volume of helium = mass of child / massdifference per litre of gas. V = 27240g / (1.113g / 1 litre) = 1 litre * 27240 / 1.113 = 24474 litre of helium. This is about 24.5 cubic metres of gas. The number of balloons depends entirely on how big one balloon is and to jump off a roof without hurting… [cont.]
Answered by KingHumpty - Thu Nov 5 09:28:09 2009
How do you dispose of leftover balloons from a party?
Q. How do you dispose of leftover balloons from a party?
Asked by Marie - Mon Nov 17 09:17:26 2008 - Other - Family & Relationships - 3 Answers - Comments
A. I cut them in half so that if they somehow come out of the bag they wont get stuck on an animal.
Answered by Amanda K - Mon Nov 17 09:41:15 2008
Q. How do you dispose of leftover balloons from a party?
Asked by Marie - Mon Nov 17 09:17:26 2008 - Other - Family & Relationships - 3 Answers - Comments
A. I cut them in half so that if they somehow come out of the bag they wont get stuck on an animal.
Answered by Amanda K - Mon Nov 17 09:41:15 2008
How long does it take latex helium balloons to sink to the floor?
Q. I have had several balloons since October 2nd that have started to lose some air but are still touching the ceiling. About how long does it take these balloons to start to sink? Also, do they fall slowly or quickly once they start to fall? Like will they hover in midair for a while or just sink to the floor? maybe they are mylar... they are the kind with pictures on them or foil maybe?
Asked by l h - Tue Nov 2 11:40:19 2010 - Other - Science - 3 Answers - Comments
A. As long as it takes for the helium to leak out.
Answered by mikeyd1101 - Tue Nov 2 15:59:59 2010
Q. I have had several balloons since October 2nd that have started to lose some air but are still touching the ceiling. About how long does it take these balloons to start to sink? Also, do they fall slowly or quickly once they start to fall? Like will they hover in midair for a while or just sink to the floor? maybe they are mylar... they are the kind with pictures on them or foil maybe?
Asked by l h - Tue Nov 2 11:40:19 2010 - Other - Science - 3 Answers - Comments
A. As long as it takes for the helium to leak out.
Answered by mikeyd1101 - Tue Nov 2 15:59:59 2010
Need a balloons decorator who can work and get paid but decorating things to be mine.?
Q. Well, I am celebrating my son 2nd year bday party. I am from new delhi. I have purchased balloons and decorating things, but Now i am facing problem. Is there any balloons decorator, who can decorate that bday party with his work and my balloons. Where can i find one?
Asked by KK - Tue Dec 15 15:58:32 2009 - Decorating & Remodeling - 1 Answers - Comments
A. 1. Your phone book. Look up "Party Planning" or "Balloons" or "Decorators" or something like that. 2. The Internet. Type in the appropriate key words, such as "balloon decorators" or "professional balloon decorator" or something like that. Narrow it down by typing in the city you reside in. 3. Word of mouth. Does anyone you associate with know of someone or of a business that does this sort of thing? A professional balloon decorator worth their salt will work with your materials, although it will not be as profitable for them because they are not charging you for the balloons and streamers, etc.
Answered by Tom H - Wed Dec 16 03:25:52 2009
Q. Well, I am celebrating my son 2nd year bday party. I am from new delhi. I have purchased balloons and decorating things, but Now i am facing problem. Is there any balloons decorator, who can decorate that bday party with his work and my balloons. Where can i find one?
Asked by KK - Tue Dec 15 15:58:32 2009 - Decorating & Remodeling - 1 Answers - Comments
A. 1. Your phone book. Look up "Party Planning" or "Balloons" or "Decorators" or something like that. 2. The Internet. Type in the appropriate key words, such as "balloon decorators" or "professional balloon decorator" or something like that. Narrow it down by typing in the city you reside in. 3. Word of mouth. Does anyone you associate with know of someone or of a business that does this sort of thing? A professional balloon decorator worth their salt will work with your materials, although it will not be as profitable for them because they are not charging you for the balloons and streamers, etc.
Answered by Tom H - Wed Dec 16 03:25:52 2009
Do the balloons that come of the menu on MY Yahoo Homepage irritate others?
Q. Or is it just me. I know what I want to pick and the balloons just get in the way. They remind me of Microsoft's balloons in the task bar. Hint Hint Yahoo. Give me a choice to get rid of them.
Asked by SL - Mon Jan 4 09:27:33 2010 - My Yahoo! - 1 Answers - Comments
A. Totally irritate the heck out of me! I hate waiting for them to disappear so that I can get to the news articles I am trying to read! I really wish Yahoo would at least make them so that they only pop up if you sit above the link for a couple of seconds first. There has to be something they can do to make them less irritating. I am actually thinking of switching to MSN for my news and homepages. I am gonna give it another month and see if they have changed anything, then just give up the ghost if they haven't.
Answered by Pinkie - Mon Jan 4 15:33:31 2010
Q. Or is it just me. I know what I want to pick and the balloons just get in the way. They remind me of Microsoft's balloons in the task bar. Hint Hint Yahoo. Give me a choice to get rid of them.
Asked by SL - Mon Jan 4 09:27:33 2010 - My Yahoo! - 1 Answers - Comments
A. Totally irritate the heck out of me! I hate waiting for them to disappear so that I can get to the news articles I am trying to read! I really wish Yahoo would at least make them so that they only pop up if you sit above the link for a couple of seconds first. There has to be something they can do to make them less irritating. I am actually thinking of switching to MSN for my news and homepages. I am gonna give it another month and see if they have changed anything, then just give up the ghost if they haven't.
Answered by Pinkie - Mon Jan 4 15:33:31 2010
How many helium balloons would I need to lift myself of the ground?
Q. How many standard sized helium balloons (like the ones you can buy in a grocery store) would I need to hold to lift myself of the ground. I realize things like body weight, air pressure, altitude and helium pressure in the balloon will make a difference. I'm just trying to get an idea?
Asked by Hoppelemine - Tue Apr 20 09:40:39 2010 - Physics - 1 Answers - Comments
A. Using Archimedes' Principle, you need this much volume of helium V = m / (density_air - density_helium) where m is your mass and the air and helium densities are to be those at room temperature. How many He balloons you need? divide this volume by the volume of a typical He balloon.
Answered by Ivan A - Tue Apr 20 10:40:09 2010
Q. How many standard sized helium balloons (like the ones you can buy in a grocery store) would I need to hold to lift myself of the ground. I realize things like body weight, air pressure, altitude and helium pressure in the balloon will make a difference. I'm just trying to get an idea?
Asked by Hoppelemine - Tue Apr 20 09:40:39 2010 - Physics - 1 Answers - Comments
A. Using Archimedes' Principle, you need this much volume of helium V = m / (density_air - density_helium) where m is your mass and the air and helium densities are to be those at room temperature. How many He balloons you need? divide this volume by the volume of a typical He balloon.
Answered by Ivan A - Tue Apr 20 10:40:09 2010
How many helium balloons does it take to lift a person?
Q. I'm talking about the ordinary little party sized balloons. How much would that many helium balloons cost to buy? Has anyone actually held on to enough balloons to float away? I hope they had strong arms.
Asked by water_skipper - Mon Jul 17 20:26:31 2006 - Physics - 4 Answers - Comments
A. Let's assume 1 balloon is a sphere 20 cm (8 inches) in diameter. The radius of the balloon is 10 cm, so the volume is 4.2 liters (v = 4/3 * pi * r^3). The ideal gas law states that 1 mole of gas (6.02 x 10^23 molecules) occupies 22.4 liters at standard temperature and pressure. So it takes 5.35 balloons to hold 1 mole of helium. Each molecule of helium displaces 1 molecule of air, which is mostly nitrogen. Helium has a molecular weight of about 4, and nitrogen (N2) has a molecular weight of about 28. Thus each mole of displaced gas gives you a whopping 24 grams of lift, which is less than one ounce! If you weigh 150 pounds, that's 68,000 grams. That would be 68,000 / 24 = 2834 moles of helium 2834 x 5.35 = 15,158 balloons (!!)
Answered by Keith P - Mon Jul 17 20:44:38 2006
Q. I'm talking about the ordinary little party sized balloons. How much would that many helium balloons cost to buy? Has anyone actually held on to enough balloons to float away? I hope they had strong arms.
Asked by water_skipper - Mon Jul 17 20:26:31 2006 - Physics - 4 Answers - Comments
A. Let's assume 1 balloon is a sphere 20 cm (8 inches) in diameter. The radius of the balloon is 10 cm, so the volume is 4.2 liters (v = 4/3 * pi * r^3). The ideal gas law states that 1 mole of gas (6.02 x 10^23 molecules) occupies 22.4 liters at standard temperature and pressure. So it takes 5.35 balloons to hold 1 mole of helium. Each molecule of helium displaces 1 molecule of air, which is mostly nitrogen. Helium has a molecular weight of about 4, and nitrogen (N2) has a molecular weight of about 28. Thus each mole of displaced gas gives you a whopping 24 grams of lift, which is less than one ounce! If you weigh 150 pounds, that's 68,000 grams. That would be 68,000 / 24 = 2834 moles of helium 2834 x 5.35 = 15,158 balloons (!!)
Answered by Keith P - Mon Jul 17 20:44:38 2006
How much does it cost to have a couple balloons filled at Party City?
Q. Tuesday is my friends birthday and i wanted to get her a set of balloons. Probably around 5 or 6. They will just be plain helium balloons. I was just wondering the cost of the balloons and to fill them up. I am getting them at Party City. Thank you very much!
Asked by albie2112 - Sun Sep 6 17:21:30 2009 - Other - Games & Recreation - 2 Answers - Comments
A. The very best source for a concrete answer is: Party City.
Answered by Tom H - Tue Sep 8 03:31:39 2009
Q. Tuesday is my friends birthday and i wanted to get her a set of balloons. Probably around 5 or 6. They will just be plain helium balloons. I was just wondering the cost of the balloons and to fill them up. I am getting them at Party City. Thank you very much!
Asked by albie2112 - Sun Sep 6 17:21:30 2009 - Other - Games & Recreation - 2 Answers - Comments
A. The very best source for a concrete answer is: Party City.
Answered by Tom H - Tue Sep 8 03:31:39 2009
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