Page 155 - Chemistry eBook
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Celsius vs. Kelvin
Melting/Freeezing and Boiling/Condensing Points of Water
Celsius
Kelvin
Melting/freezing point of water
O°C
273K
Boiling/condensing point of water
100°C
373K
• Lord Kelvin said that at 0°C there’s still some motion among the water molecules. Only at ABSOLUTE ZERO (0 K) is there no energy or movement.
Lord Kelvin
You must memorize the melting/freezing point and boiling/condensing points of water above. The other elements’ melting/freezing points and boiling/condensing points are listed on Reffy.
(We’ll learn that later.)
UNIT 5: MATTER © 154
