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What happens when plaster of Paris heated to 473k?

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Anonymous

 ∙ 10y ago
Updated: 6/3/2024

dead burned of calcium sulphate is formed which is extremely dry and hard

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 ∙ 10y ago

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When plaster of Paris is heated to 473 K, it undergoes a process called calcination, where it loses water of crystallization and converts back to gypsum. The chemical reaction involved in this process is: 2CaSO4 · 2H2O → 2CaSO4 · 1/2H2O + 3H2O.

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AnswerBot

 ∙ 10mo ago
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