Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoThermodynamics Laws & Specific Heats of GasesEasy2 minQB

PhysicsEasysingle choice

A gas absorbs 50 J of heat and 20 J of work is done on it. If its initial internal energy was 30 J, the final internal energy is:

Answer:

Solution:

$Δ U = Q - W_{b y} = 50 - (- 20) = 70$ J. $U_{f} = 100$ J. A.

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

⏱ 2mℹ️ Source: QB

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