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4E30.10 - Constant Volume Bulb - Absolute Zero Apparatus

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​4E30.10 - Constant Volume Bulb - Absolute Zero Apparatus

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Title4E30.10 - Constant Volume Bulb - Absolute Zero Apparatus
Objective

​Pressure vs. Temperature in a Gas at fixed Volume is demonstrated, with plotting an Absolute Zero Determination can be made.

StatusAvailable
Assembly Instructions

When the metal flask is put into the different temperature water baths a large needle fluctuation should be observed. Plotting Temperature VS Pressure of different gases should allow you to make a determination of Absolute Zero.

Setup Time10
Operation Time5
Preview Time5
Operation Instructions

Read the pressure a​t room temperature.  Plunge the bulb into a bath of either cold water or liquid nitrogen.  Record the pressure and temperature.  Then plunge the bulb into a bath of hot water and record the pressure and temperature.  From that, if plotted, a determination of absolute zero could be estimated.

ExportableNo
Demo on DimeNo
PIRA 200Yes
Export Instructions (if different)
HazardsNone
Analysis/Information
Category4 Thermodynamics
Subcategory4E - Gas Law
Keywordsconstant volume, absolute zero, temperature vs pressure
Construction Information
 
  
  
absolute zero demonstrator
1
liquid nitrogen
liquid nitrogen dewer
1
gloves for handling liquid nitrogen
2
beaker 2000 mL glass
2
hot plate single burner
1
water - from the tap
multimeter - thermometer
1