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Liquefaction of Gases and Critical Constants

Calculate the...

Question

Calculate the mass of hydrogen in the balloon.

A

1.66 k g

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B

1.35 k g

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C

1.45 k g

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D

2.7 k g

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Solution

The correct option is B $1.35 k g$
$V_{b} = 15 m^{3} ρ_{H} = 0.09 k g m^{- 3} m_{b} = 7.15 k g ρ_{a i r} = 13 k g m^{- 3}$
Mass of Hydrogen in the balloon $= V_{b} \times ρ_{H} = 15 \times 0.09 k g = 1.35 k g$

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