How heating stone to 1000°C transforms it into a volatile, popping substance
In short: This video demonstrates the intense exothermic reaction that occurs when water meets quicklime. It showcases how heating calcium carbonate can fundamentally alter its mineral structure, creating a messy but fascinating chemical transformation.
The demonstration explores the transformation of calcium carbonate blocks into calcium oxide, or quicklime, by heating them to 1000°C for 48 hours. This process, which drives out carbon dioxide, has been utilized in cement production for hundreds of years.
When water is subsequently added to the resulting quicklime, it forms calcium hydroxide—also known as slaked lime. This reaction is so energetic that it produces significant steam and causes fragments of slaked lime to ping off in all directions.
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- Summary by Intellect · source: Calcium Carbonate - Disintegrating Quicklime
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