My mam threw a surprise 40th birthday party because that me, a month early. Cake and balloons were almost everywhere the place so i was having actually fun. As the Geeky dads was standing around, we looked in ~ the helium tank and wondered how countless helium-filled balloons that would require to lift a toddler. We were purely concerned <…>

My mam threw a surprised 40th date of birth party because that me, a month early. Cake and also balloons were almost everywhere the ar so ns was having fun. Together the Geeky dads was standing around, we looked in ~ the helium tank and also wondered how plenty of helium-filled balloons it would take to lift a toddler. Us were completely concerned around their safety, the course.

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Helium (He) is the second element top top the routine table, an inert noble gas and a safer choice for balloons than very flammable hydrogen (H). Helium is lighter 보다 air and able come lift around one gram every liter the gas. It has a variety of industrial uses past being a typical at parties.

First, we need to know exactly how much the child weighs. Our 2 year old is roughly 30 pounds (13,440g), clothed. Second, we should know just how much gas each balloon holds. Back the balloons room not perfect spheres, we'll take into consideration them as tantamount to spheres with a one foot diameter. Subtract 3 grams indigenous the lifting force of every balloon to allow for the load of the string and also balloon.


The volume of a ball is 4/3 * pi * r3, wherein r is the radius that the balloon. So an initial determine the radius of the round (the radius is fifty percent the diameter). Cube the radius (multiply that by chin twice: r*r*r), main point by 4/3 and then main point by Pi. If you room measuring her balloon in feet, that provides you the volume the the balloon in cubic feet.One cubic foot of helium will lift about 28.2 grams, so main point the volume that the balloon through 28.2.Divide by 448 – the number of grams in a lb – to determine the variety of pounds it can lift. Www.heliumuk.co.uk/helium.htm


Using the technique above, every balloon containing .524 cuft that helium will certainly lift 14.77 grams, or 11.77 grams that payload. Phew, we carry out not must be concerned about a kid lifting far from the party until we've fastened 1,143 balloons to their wrist.

We did have to keep the toddler far from the older children who were setup a negative example by breath the helium native the balloons come raise the pitch of your voices. Maybe next time, we'll fill Xenon balloons v gas to lower the pitch.

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(Do not breathe helium for much more than a couple of seconds, if in ~ all. Friend don't desire the contaminants from the tank in her lungs and also you absolutely don't want to permit your brain seize up for lack of oxygen. Never, ever before use the nozzle top top the tank because that anything but filling balloons.)

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