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IB Physics - 3.1 Thermal concepts

class
by

Jonathan Bertin

on 24 June 2014

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Transcript of IB Physics - 3.1 Thermal concepts

3.1 Thermal concepts
Internal Energy.
Temperature.
Heat (Thermal Energy)

80°C
20°C
Internal energy
Is not:
external
50°C
50°C
Internal
Potential energy
Kinetic energy
Temperature
Definition
Kelvin
Definition
A measure of the
Kelvin
T (K) = T(°C) + 273
273K
Heat: Thermal Energy
Definition
Direction
Equilibrium
Definition
Non-mechanical transfer

Direction
Thermal equilibrium
Is:
Is not:
Potential energy
external
internal
Potential energy
Kinetic energy
intermolecular forces
random motion
translational motion
rotational motion
Kinetic energy
average kinetic energy
of the molecules of an object

of energy
between a system and it surroundings
Temperature determines the direction of thermal energy transfer between two objects
Full transcript