Kinetic and Diffusive Processes
I3-31: IDEAL GAS LAW - VOLUME OF ONE MOLE
Category: I3 Gases
Purpose:
Demonstrate that one mole of gas occupies 22.4 liters at STP.
I6-51 ENTROPY - SORTING MARBLES
Purpose:
Demonstrates that increasing entropy requires less energy than decreasing entropy
I6-23 DIFFUSION - FOOD COLOR IN WATER
Purpose:
Demonstrates diffusion
I6-21 GAS DIFFUSION - MODEL
Purpose:
Models gas diffusion through a small hole
I6-03 EQUIPARTITION OF ENERGY
Purpose:
Demonstrates equipartition of energy
I6-01 GAS PRESSURE - MODEL
Purpose:
Illustrates the molecular nature of gas pressure
I5-22 FIRE SYRINGE
Category: I5 Laws of Thermodynamics
Purpose:
Demonstrates heating air by compression
I3-33 HELIUM BALLOON ON LIQUID NITROGEN
Category: I3 Gases
Purpose:
Demonstrates how a gas contracts when cooled
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I4-01: PVT PHASE DIAGRAMS FOR CO2 AND H2O
Three-dimensional PVT phase diagram models. Read More
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I4-02: PVT SURFACE - TRANSPARENT
Illustrate aspects of phase transitions. Read More
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I4-03: LATENT HEAT - ICE TO WATER TO STEAM
Illustrate aspects of phase transitions. Read More
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I4-11: BOILING AT REDUCED PRESSURE
Demonstrate that water boils at a lower temperature under reduced pressure. Read More
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I4-12: BOILING WATER BY PUMPING
Demonstrate water boiling under reduced pressure. Read More
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I4-13: CHANGE OF STATE OF LN - POPPING CAN LID
Show the increase in volume which accompanies the transition from liquid to gaseous nitrogen. Read More
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I4-14: CHANGE OF STATE WITH BANG
Show the increase in volume which accompanies the transition from liquid to gaseous nitrogen. Read More
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I4-15 CONDENSATION OF STEAM - GALLON CAN COLLAPSE
Illustrates forces produced by the pressure drop when steam condenses into water
Read More
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I4-16: DRINKING BIRD
Illustrates forces produced by the pressure drop when steam condenses into water
Read More
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I4-17: AIR BALLOON ON LIQUID NITROGEN
Demonstrate dramatically that the volume of vapor is greater than the volume of the same amount of liquid. Read More
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I4-18: PULSE GLASS
Illustrate change of phase between liquid and vapor in an confined fluid. Read More
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I4-19: CONDENSATION OF STEAM - SODA CAN COLLAPSE
Surprising demonstration using condensation of steam. Read More
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I4-31 ICE BOMB
Demonstrates forces created by freezing water
Read More
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I4-32: FREEZING WATER BY PUMPING
Freeze water by reducing the ambient pressure. Read More
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I4-33: CRYOPHORUS
Illustrate freezing caused by cooling by evaporation. Read More
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I4-34: HAND WARMER
Demonstrate the heat of fusion. Read More
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I4-35: LOWERING THE FREEZING POINT OF WATER USING SALT
Demonstrate that the freezing point of water can be reduced by putting ice in a salt water bath. Read More
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I4-36: REGELATION - ICE UNDER PRESSURE
Demonstrate regelation. Read More
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I4-51: SUBLIMATION OF DRY ICE - PROJECTION
Demonstrate sublimation of carbon dioxide (dry ice) from a solid into a gas. Read More
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I4-52: CARBON DIOXIDE BALLOON ON LIQUID NITROGEN
Demonstrate condensation sublimation. Read More
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I4-61: BINARY PHASE TRANSITION - CRITICAL OPALESCENCE
Show the behavior of a binary fluid as it passes through the critical temperature. Read More
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