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0 Mathematics
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1 Mechanics (point systems)
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2 Mechanics (rigid body)
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3 Continuum mechanics
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4 Relativity
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5 Oscillations and waves
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6 Electricity
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7 Quantum physics
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8 Thermodynamics
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8.1 Ideal gas, temperature
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8.2 First law of thermodynamics heat equivalent
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8.3 2nd law of thermody- namics, Carnot heat engine, adiabatic processes
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8.4 Real gases and phase transformations
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8.5 Thermal motion: noise and Brownian motion
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8.6 Transport phenomena: thermal conduction, diffusion, convection
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Thermal wave in copper rod
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Heat pole
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Thermal conduction of gases
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Diffusion of bromine vapour
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Diffusion of KMnO
4
in water
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Diffusion model with air-cushion table
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Diffusion model with balls (mechanical shaker)
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Thermal profile of copper/brass rod
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Convection over hotplate
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Convection with Schlieren Optics
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Diffusion model
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8.7 Technical thermodynamics: cryoengineering, power stations, heat pipes
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8.9 Phase transformations solid/liquid and gaseous/solid
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9 Properties of matter
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10 Nuclear and particle physics
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11 Special areas
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12 Instabilities and chaos
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13 Videos
Diffusion of KMnO
4
in water
Experiment no.: 8.6.6
A small KMnO
4
crystal dissolves in water. The diffusion of MnO
4
ions can be seen as a slowly enlarging purple circle.
📄 Detailed experiment description
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Images for this experiment
Detail 1
Detail 2
Documents for this experiment
Diffusion of KMnO
4
Calculating the mean free path
Concentration gradient of A and B
Paths with constant step size
Distribution of MnO
4
ion