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Chemistry

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Is the dissolution of calcium sulfate endothermic or exothermic? How do you know?

  • Chemistry -

    http://en.wikipedia.org/wiki/Calcium_sulfate

    The site above shows a SLIGHT increase for CaSO4.2H2O with temperature which makes it slightly endothermic but at elevated temperatures that is reversed and the solubility decreases rapidly with increasing temperature.

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