Explain cao can be used as a drying agent

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Reference no: EM13533321

CaO can be used as a drying agent. One such application occurs when water is added to dry concrete or cement. The reaction that occurs is
Substance
CaO(s) + H2O(l) = Ca(OH)2(s)

The product is commonly called slaked lime.
Assuming standard temperature, calculate for this reaction using table from the table below.

S Delta H
CaO 39.9 635.1
H2O 69.9 285.8
Ca(OH) 83.4 986.1

Reference no: EM13533321

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