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Oxygen in the air condenses on the cone and drips off as a stream of liquid between the poles of a strong magnet. Being attracted to the poles, it sticks to them until it evaporates in the warm atmosphere.

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PHYSICS
5G30.20 Paramagnetism of Liquid Oxygen Rating:

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Description: Oxygen is paramagnetic which means it will line up with an external magnetic field. The oxygen is attracted to the magnetic field. Ferromagnets are also attracted to magnetic fields but paramagnets do not retain any magnetization in the absence of an external field.
Room:PS F175 Location: Cb3 Sublocation:
Type: demo Date Added:4/24/2007 Condition:
Quantity: Complete: Last updated: 4/24/2007
Purpose: To show the paramagnetic properties of Oxygen.
Safety Issues: Disclaimer (Warning - work in progress - may be incomplete)
Equipment Issues:
Parts:
copper cone(Cb3)
horseshoe magnet(Cb3)
LN2 (H wing)
Copyright © 2000 Instructions:
You can compare paramagnetism and diamagnetism by pouring liquid nitrogen onto the poles of the magnet and unlike the paramagnetic oxygen, nitrogen is diamagnetic and does not stick to the poles.
Now pour the liquid nitrogen into the copper cone to start the oxygen condensation.
Align the stream of liquid oxygen pouring off of the copper cone onto the pole of the magnet.
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1A0 MEASUREMENT
1A10 Basic Units
1A10.10 Basic units set-Video Video Encyclopedia: Show a clock with a second sweep, meter & yard sticks, and kilogram and pound mass
VE01_01
3_1
PS F175
1A10.35 Meter stick - 4 sided Graduated in meters, decimeters, centimeters, & millimeters
Aa2
PS F175
1A10.50 Liter Cube/set
Aa2
PS F175
1A10.510 Meter Cube Meter cube frame, stored dismantled
Aa2
PS F175
1A10.520 Volume Perception Paradox One liter of colored water is poured from a sphere to cylinder. The sphere seems smaller but is of equal volume.
PS F175
1A10.60 Avogadro's Number box Black 22.4 liter cube
Aa2
PS F175
1A20 Error and Accuracy
1A20.10 Gaussian curve - Video Video Encyclopedia: A commercial device for the overhead projector where ball bearings roll through an array of nails into parallel chutes.
VE16_12
3_1
PS F175
1A20.25A Dice - ordinary
Aa2
PS F175
1A20.25B Dice - overhead
Aa2
PS F175
1A20.25C Dice - polyhedral
Aa2
PS F175
1A20.25D Dice - large foam
Aa2
PS F175
1A30 Coordinate System
1A30.10A XYZ Coordinate axes Long arrow shafts with label attachments
top
7
PS F175
1A30.10B XYZ Coordinate axes Zometool version
Aa3
PS F175
1A30.10C XYZ Coordinate axes Medium arrow shafts with dull broadheads
cabinet
PS H356
1A30.30 Polar Coordinates A semi circle is rotated about an axis to demonstrate why integration over theta is from zero to 180 degrees.
Aa3
PS F175
1A30.30 Polar Coordinates
1A30.40A Chalkboard Globe - Large
Af6
PS H156
1A30.40B Chalkboard Globe - Small
Af6
PS H156
1A40 Vectors
1A40.001 Vector models, Magnetic Field model, Electric Field model, Electromagnetic Field model Three cardboard vector models. 1) A uniform vector field represented by 9 arrows in 3 by 3 array. 2)Single vector represent by an arrow perpendicular to cardboard. 3) Same as 2) except a circle is drawn around the arrow to represent the curl of the vector
Aa3
PS F175
1A40.10 Vector components (3D)-Video Video Encyclopedia : Metal arrows define a three dimensional coordinate system. An arbitrary vector is viewed in three planes.
VE01_07
3_1
PS F175

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