Web Results



Helium is a chemical element with symbol He and atomic number 2. .... Sweden, who collected enough of the gas to accurately determine its atomic weight.

Helium - Weight and Volume Equivalents


Weight of. Liquid or Gas, Volume of. Liquid at. Normal Boiling Point, Volume of Gas at 1 atm. lb, kg, L, gal, cf at 70°F, m<sup>3</sup> at 15°C. 1.000, 0.454, 3.630, 0.959 ...

Helium: How do you weigh a balloon? - Slate


Aug 18, 2014 ... After all, helium floats! If you had a balloon full of helium, and tried to weigh it on a scale, it would float away. If you could somehow tie it to the ...

Convert volume to weight: Helium


Convert helium volume to its weight. See conversion formulas, and volume, weight and density in various measurement units.

Molecular weight of Helium - Convert


Calculate the molar mass of Helium in grams per mole or search for a chemical formula or substance.

mass of helium atom in kilograms - Wolfram Alpha

www.wolframalpha.com/input/?i=mass of helium atom in kilograms

Does a tank of helium weigh more or less when empty? - science ...


Empty = full of air? Then it would weigh more. If empty means a vacuum, it would weigh less ...

36.39 -- Helium-filled balloon


A helium-filled balloon shows that helium is less dense than air. ... In other words, the weight of the helium-filled balloon is less than the weight of the volume of ...

Download a Printable Helium & Weight Chart - Balloons Everywhere


www.balloons.com. Balloon Type. Inflated. Diameter. Weight. Needed to Hold. Down One ... Gas capacity and balloons per helium tank figures are estimates.

How many helium-filled balloons would it take to lift someone ...


So if you have a balloon that contains 5 liters of helium, the balloon can lift 5 ... If you weigh 50 kilograms (about 110 pounds), then you weigh 50,000 grams.

Popular Q&A
Q: What is the weight of helium?
A: Helium's atomic mass is 4.002602. Read More »
Source: wiki.answers.com
Q: What is The weight of helium?
A: He, atomic number: 2 and atomic weight 4,0026 g/mol. Helium is one of the noble gases Read More »
Source: www.chacha.com
Q: What's the atomic weight of helium?
A: Atomic Weight of helium is 4.002602! Read More »
Source: www.chacha.com
Q: What is the molecular weight of Helium?
A: Helium has 2 protons and 2 neutrons, so the answer is 4. Read More »
Source: wiki.answers.com
Q: What is the weight of carbon dioxide, helium and air?
A: the densities can change considerably with changes in temperature & pressure, CO2: 1.977 g/L (gas at STP) http://en.wikipedia.org/wiki/Co2 He: 0.1786 g/L (gas @... Read More »
Source: answers.yahoo.com