On December 1, 1783, Jacque Charles became the first human topilot a non-tethere

Question

On December 1, 1783, Jacque Charles became the first human topilot a non-tethered hydrogen balloon. He flew the balloon for 15miles and stayed in the air for a total flight time 45 minutes. Theballoon was made of silk coated with a think layer of naturalrubber and had a diameter of 27 ft. He generated the hydrogen gasneeded to lift the balloon by mixing a large amount of iron withaquepus sulfuric acid. If used 1000lbs. of iron and excess sulfuricacid, how many liters of hydrogen gas were made? Fe(s) + H2SO4(aq) > FeSO4(aq) + H2(g) On December 1, 1783, Jacque Charles became the first human topilot a non-tethered hydrogen balloon. He flew the balloon for 15miles and stayed in the air for a total flight time 45 minutes. Theballoon was made of silk coated with a think layer of naturalrubber and had a diameter of 27 ft. He generated the hydrogen gasneeded to lift the balloon by mixing a large amount of iron withaquepus sulfuric acid. If used 1000lbs. of iron and excess sulfuricacid, how many liters of hydrogen gas were made? Fe(s) + H2SO4(aq) > FeSO4(aq) + H2(g)

Explanation / Answer

if you assume standard temperature and pressure of 1 atm and20 C then you can use the ideal gas law. PV=nRT First you need the number of moles of H2 produced. 1000 lbs/2.2 =454.54 kg 454545g/55.845g/mol Fe=8139.41 moles Fe=8139.41 moles H2 l atm * V= 8139.41*.0821*293 V=195796 L of H2 gas.

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