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PhysicsHeat & ThermoThermodynamics Laws & Specific Heats of GasesMedium2 minQB

PhysicsMediumsingle choice

An ideal gas goes from $A$ to $B$ at constant volume with its pressure falling. Then:

Answer:

Solution:

$V$ is fixed so $W = 0$ . $P$ falls so $T$ falls, $Δ U < 0$ , and $Q = Δ U < 0$ : heat leaves the gas. B.

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

⏱ 2mℹ️ Source: QB

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