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Safety Equipment: Goggles


I6-02: NITROGEN DIAMETER AND MEAN FREE PATH

Purpose: Experimentally determine the diameter of the nitrogen molecule and to determine the order of magnitude of the mean free path of nitrogen gas molecules at STP.

I5-41: ENDOTHERMIC REACTION - ENTROPY

Purpose: Aid a discussion of entropy.

I5-02: TRANSFORMATION OF MECHANICAL ENERGY INTO HEAT

Purpose: Demonstrate transformation of mechanical energy into heat.

I4-52: CARBON DIOXIDE BALLOON ON LIQUID NITROGEN

Purpose: Demonstrate condensation sublimation.

I4-17: AIR BALLOON ON LIQUID NITROGEN

Purpose: Demonstrate dramatically that the volume of vapor is greater than the volume of the same amount of liquid.

I4-14: CHANGE OF STATE WITH BANG

Purpose: Demonstrate that the volume of a gas is much greater than the volume of the same amount of liquid.

I4-13: CHANGE OF STATE OF LN - POPPING CAN LID

Purpose: Show the increase in volume which accompanies the transition from liquid to gaseous nitrogen.

K5-34: THERMAL COEFFICIENT OF RESISTANCE IN COPPER

Purpose: Show that the resistance of copper changes linearly with temperature.

K5-36: RESISTORS AT LN TEMPERATURE - LIGHT BULB INDICATOR

Purpose: Demonstrate materials with both positive and negative temperature coefficients of resistance.

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.

K5-35: RESISTORS AT LN TEMPERATURE

Purpose: Illustrate materials with both positive and negative temperature coefficients of resistivity.

I1-61: DUST EXPLOSION

Purpose: Produce a dust explosion.

I1-53: LEAD BELL AT LIQUID NITROGEN TEMPERATURE

Purpose: Demonstrate the effect of temperature on vibrations in a lead bell.

I1-52: TUNING FORK AT LIQUID NITROGEN TEMPERATURE

Purpose: Demonstrate the change in frequency of a tuning fork at liquid nitrogen temperature.

I1-51: RUBBER AT LN TEMPERATURE

Purpose: Demonstrate how a normally elastic material at room temperature becomes rigid at very low temperatures.

I1-17: THERMOSTAT - MODEL

Purpose: Model of use of a bimetal strip in a thermostat.

I1-12: THERMAL EXPANSION - BALL AND RING

Purpose: Demonstrate thermal expansion.

J7-14: CURIE POINT OF DYSPROSIUM

Purpose: Show the Curie point of dysprosium, a normally non-magnetic material.

C7-53: AIR TRACK - SPEED OF AIR GUN PELLET

Category: C7 Collisions

Purpose: Determine the speed of an air gun pellet using conservation of momentum in an inelastic collision.
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