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PhysicsHeat & ThermoKTGMedium2 minQB

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A mixture of 4 g of hydrogen and 8 g of helium at NTP has a density about

Answer:

Solution:

$4 g H_{2} = 2 mol, 8 g He = 2 mol$ , total 4 mol. At NTP, $V = 4 \times 22.4 L = 0.0896 m^{3}$ ; mass $= 12 g = 0.012 kg$ .

$ρ = \frac{0.012}{0.0896} \approx 0.13 kg / m^{3} .$

Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:KTG

⏱ 2mℹ️ Source: QB

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