_calcium-oxide-brian-richer.jpg "Calcium Oxide - Brian Richer from decomposition of calcium carbonate Video Screenshot Preview")
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⏲ Duration: 3 min 7 sec
✓ Published: 25-Jun-2014
✓ Published: 25-Jun-2014
Description:
A geometric sculpture, created out of limestone, is changed on a molecular level. This is due to the thermal decomposition of limestone (CaCO3) in a lime kiln. What appear as objects slowly decomposing is accomplished by heating the material to above 825 °C, a process called calcination. This process drives off the carbon dioxide (CO2); leaving quicklime. The quicklime (CaO) is not stable and, when cooled, will spontaneously react with CO2 from the air until, after enough time, it will be compl
A geometric sculpture, created out of limestone, is changed on a molecular level. This is due to the thermal decomposition of limestone (CaCO3) in a lime kiln. What appear as objects slowly decomposing is accomplished by heating the material to above 825 °C, a process called calcination. This process drives off the carbon dioxide (CO2); leaving quicklime. The quicklime (CaO) is not stable and, when cooled, will spontaneously react with CO2 from the air until, after enough time, it will be compl
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