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I4-13. Change Of State Of Ln - Popping Can Lid

 

Purpose

To show the increase in volume which accompanies the transition from liquid to gaseous nitrogen.

Equipment

Liquid nitrogen, can with plastic lid.

Images

I4-13

Description

Pour some liquid nitrogen into a can and install the plastic lid. The liquid nitrogen heats up, changes to a gas, and blows the lid. Repeat for students who blinked.

References

P. A. Knutson and G. L. Salinger, A Simple Measurement of the Heat of Vaporizattion of Liquid Nitrogen, TPT 7, 288-289 (1969).

 

I. Thermodynamics

I. Thermodynamics

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