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Topic 16Physics (Cambridge)

Thermodynamics

Thermodynamics — Cambridge International AS & A Level Physics (9702, Topic 16). Internal energy, the first law ΔU = q + W with its sign convention, and the work done by/on a gas W = pΔV.

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First Law of ThermodynamicsSign up

internal energy = the random distribution of kinetic and potential energy of the molecules · the first law of thermodynamics ΔU = q + W with the sign convention (q heat supplied TO the system, W work done ON the system) · work done on/by a gas, W = pΔV at constant pressure · applying the first law to simple processes

40 min