Chemistry
I6-24: DIFFUSION VELOCITY
Purpose:
Show that the diffusion velocity is proportional to the RMS molecular velocity.
I5-41: ENDOTHERMIC REACTION - ENTROPY
Category: I5 Laws of Thermodynamics
Purpose:
Aid a discussion of entropy.
I4-35: LOWERING THE FREEZING POINT OF WATER USING SALT
Category: I4 Changes of State
Purpose:
Demonstrate that the freezing point of water can be reduced by putting ice in a salt water bath.
I1-64: BURNING CANDLE - COMBUSTION PROCESS
Category: I1 Thermal Properties of Matter
Purpose:
Demonstrate features of the burning process and to debunk myths about this supposedly well-known demonstration.
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I6-01 GAS PRESSURE - MODEL
Illustrates the molecular nature of gas pressure
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I6-02: NITROGEN DIAMETER AND MEAN FREE PATH
Experimentally determine the diameter of the nitrogen molecule and to determine the order of magnitude of the mean free path… Read More
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I6-03 EQUIPARTITION OF ENERGY
Demonstrates equipartition of energy
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I6-11: BROWNIAN MOTION WITH TV
Demonstrates equipartition of energy
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I6-13: AIR TABLE - MODEL OF BROWNIAN MOTION
Simple model of Brownian motion. Read More
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I6-21 GAS DIFFUSION - MODEL
Models gas diffusion through a small hole
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I6-22: IODINE DIFFUSION TUBES
Demonstrate diffusion. Read More
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I6-23 DIFFUSION - FOOD COLOR IN WATER
Demonstrates diffusion
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I6-24: DIFFUSION VELOCITY
Show that the diffusion velocity is proportional to the RMS molecular velocity. Read More
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I6-25: DIFFUSION - DISTRIBUTION OF PING PONG BALLS
Demonstrate on a macroscopic scale using ping pong balls how random molecular motion causes substances to diffuse. Read More
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I6-31: MOLECULAR MOTION DEMO - BROWNIAN MOTION
Model Brownian motion. Read More
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I6-32: MOLECULAR MOTION DEMO - RANDOM MOTION IN GASES
Model random molecular motion. Read More
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I6-33: MOLECULAR MOTION DEMO - GAS PRESSURE
Model gas pressure. Read More
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I6-34: MOLECULAR MOTION DEMO - TEMPERATURE OF A GAS
Model gas pressure. Read More
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I6-35: MOLECULAR MOTION DEMO - DIFFUSION
Model gas diffusion. Read More
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I6-36: MOLECULAR MOTION DEMO - AVOGADRO'S HYPOTHESIS
Help justify Avogadro's hypothesis using a model. Read More
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I6-37: MOLECULAR MOTION DEMO - VAN DER WALLS FORCES
Introduce the concept of attractive force between molecules. Read More
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I6-38: MOLECULAR MOTION DEMO - BOYLE'S LAW
Model Boyle's law. Read More
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I6-39: MOLECULAR MOTION DEMO - CHARLES' LAW
Model Charles' law. Read More
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I6-40: MOLECULAR MOTION DEMO - SOLIDS
Model the behavior of solids. Read More
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I6-41: MOLECULAR MOTION DEMO - LIQUIDS
Model the behavior of liquids. Read More
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I6-51 ENTROPY - SORTING MARBLES
Demonstrates that increasing entropy requires less energy than decreasing entropy
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I6-52: ENTROPY - FOUR BALLS IN GAS DIFFUSION MODEL
Demonstrate that an ordered state is statistically possible. Read More
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I6-61: MAXWELL'S DEMON
Example of a "Maxwell Demon." Read More
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