Problem: Molecular hydrogen is used as the “liquid fuel” (liquefied hydrogen) for rockets. How much water is generated from 1000 gallons of liquefied hydrogen? (1 gallon = 3.80 L. The density of liquefied hydrogen at 20 K is 71 g/L.) a. 4860 kgb. 2430 kgc. 1220 kgd. 135 kge. 17 kg

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Molecular hydrogen is used as the “liquid fuel” (liquefied hydrogen) for rockets. How much water is generated from 1000 gallons of liquefied hydrogen? (1 gallon = 3.80 L. The density of liquefied hydrogen at 20 K is 71 g/L.)

a. 4860 kg

b. 2430 kg

c. 1220 kg

d. 135 kg

e. 17 kg

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