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PhysicsHeat & ThermoThermodynamics Laws & Specific Heats of GasesHard2 minQB

PhysicsHardsingle choice

A diatomic gas obeys $T P^{- \frac{2}{7}} = constant$ . The heat given to 2 mol of the gas when its temperature is raised from $T$ to $3 T$ is:

Answer:

Solution:

For a diatomic gas $γ = \frac{7}{5}$ and $\frac{γ - 1}{γ} = \frac{2}{7}$ , so the law is the adiabatic one. $Q = 0$ . A.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermodynamics Laws & Specific Heats of Gases

⏱ 2mℹ️ Source: QB

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