When gypsum (CaSO 4 2H 2 O) is heated to 433 K, it converts to the
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When gypsum (CaSO4 · 2H2O) is heated to 433 K, it converts to the hemihydrate CaSO4 · 1/2 H2O, and at 463 K, it forms γ-CaSO4. Calculate the % weight changes at 433 and 463 K, and sketch what you expect to see in a TGA curve.
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To calculate the weight changes at 433 K and 463 K we need to understand the reactions taking place during the heating of gypsum CaSO4 2H2O to its dif...View the full answer
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