Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoThermodynamics Laws & Specific Heats of GasesMedium2 minQB
PhysicsMediumsingle choice

Water vapour in the air condenses on the outside of a cold glass of water. What happens to the internal energy of that vapour, and is work done or heat exchanged?

Options:

Answer:
A
Solution:

The vapour turns to liquid and releases latent heat to the colder glass. Its internal energy falls because heat leaves. The work involved is negligible. A.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermodynamics Laws & Specific Heats of Gases
⏱ 2mℹ️ Source: QB

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