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LE CHATELIER'S PRINCIPLE: NO2 & N2O4 - TEMPERATURE (1 of 3) Frozen Solid NO2
The equilibrium of N2O4(g)=2NO2(g) moves to the left when the test tube is cooled to freezing point. The concentration of red-brown Nitrogen dioxide gas (NO2) decreases and the color disappears.
Copyright:© 1999 Richard Megna - Fundamental Photographs
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