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The total mass of the hydrogen gas in the hindenburg zeppelin was 18,000 kg. What volume did the hydrogen occupy? (assume that the temperature of the hydrogen was 0°c and that it was at a pressure of 1 atm. ).

Answer :

Hydrogen gas density is 0.08988 kg/m3 under STP (0°C, 1 atm), so the volume is
V=m / ρ = 18,000 / 0.08988 = 2.002 × 105 (m3).