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A moderately-sized balloon [https://www.balloonartonline.com/balloons-sizes-and-types-2/ might have a diameter of 12 inches.] Some calculations give this a volume of roughly 14.83 liters (assuming a spherical balloon.) If the balloon is at 1 atmosphere of pressure at 25 degrees Celsius, then [https://www.omnicalculator.com/chemistry/molar-mass-of-gas there would be 0.6058 mol] in the balloon, mean that there is 0.6058 * 6.022Γ10<sup>23</sup> atoms, or [https://www.convertunits.com/from/mol/to/atoms 364,800,000,000,000,000,000,000 atoms.] | A moderately-sized balloon [https://www.balloonartonline.com/balloons-sizes-and-types-2/ might have a diameter of 12 inches.] Some calculations give this a volume of roughly 14.83 liters (assuming a spherical balloon.) If the balloon is at 1 atmosphere of pressure at 25 degrees Celsius, then [https://www.omnicalculator.com/chemistry/molar-mass-of-gas there would be 0.6058 mol] in the balloon, mean that there is 0.6058 * 6.022Γ10<sup>23</sup> atoms, or [https://www.convertunits.com/from/mol/to/atoms 364,800,000,000,000,000,000,000 atoms.] | ||
β | To recap, a helium-2 atom decaying results in 1.25 MeV of energy, and there are roughly | + | To recap, a helium-2 atom decaying results in 1.25 MeV of energy, and there are roughly 364.821 sextillion atoms in a balloon. |
Every atom will create 1.25 MeV of energy, and therefore 365 sextillion atoms will create [https://www.google.com/search?client=firefox-b-d&q=364%2C821%2C332%2C070%2C000%2C040%2C000%2C000*1.25 365*1.25 sextillion, or 456 sextillion MeV.] Interestingly, this is equal to {{w|Names of large numbers|456 nonillion electron volts}}, or {{w|Metric prefix|4.56 megayottaelectron-volts}}. 456 sextillion megaelectron-volts is also equal to [https://www.google.com/search?q=456000000000000000000000+MeV+to+Megajoules roughly 73,100 megajoules,] or [https://www.google.com/search?q=73100+Megajoules+to+Tons+of+TNT 17.4 tons of TNT equivalent.]<noinclude> | Every atom will create 1.25 MeV of energy, and therefore 365 sextillion atoms will create [https://www.google.com/search?client=firefox-b-d&q=364%2C821%2C332%2C070%2C000%2C040%2C000%2C000*1.25 365*1.25 sextillion, or 456 sextillion MeV.] Interestingly, this is equal to {{w|Names of large numbers|456 nonillion electron volts}}, or {{w|Metric prefix|4.56 megayottaelectron-volts}}. 456 sextillion megaelectron-volts is also equal to [https://www.google.com/search?q=456000000000000000000000+MeV+to+Megajoules roughly 73,100 megajoules,] or [https://www.google.com/search?q=73100+Megajoules+to+Tons+of+TNT 17.4 tons of TNT equivalent.]<noinclude> |