Two moles of oxygen are mixed with three moles of helium. Find C v C p of the mixture (two decimals).

C v = 2 ⋅ 2 5 R + 3 ⋅ 2 3 R = 9.5 R . C p = C v + 5 R = 14.5 R . Ratio = 9.5 14.5 = 1.53 .

Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoKinetic Theory of Gases and Gas LawsHard2 minQB

PhysicsHardnumerical

Two moles of oxygen are mixed with three moles of helium. Find $\frac{C _{p}}{C _{v}}$ of the mixture (two decimals).

Answer:

1.53

Solution:

$C_{v} = 2 \cdot \frac{5}{2} R + 3 \cdot \frac{3}{2} R = 9.5 R$ . $C_{p} = C_{v} + 5 R = 14.5 R$ . Ratio = $\frac{14.5}{9.5} = 1.53$ .

Subject:PhysicsTopic:Heat & ThermoSubtopic:Kinetic Theory of Gases and Gas Laws

⏱ 2mℹ️ Source: QB

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