) Write a chemical equation for the Ca(OH)2 + CaO reaction and balance it.
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CaO(s) + H2O (l) → Ca(OH)2(s) This reaction occurs when water is added to dry portland cement to make concrete, and heat evolution of energy as heat is evident because the mixture becomes warm.
; White, odorless powder. [Note: Readily absorbs CO2 from the air to form calcium carbonate.]
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Search by reactants (CaO, H 2O) and by products (Ca(OH) 2)
1 H2O + CaO → Ca(OH)2
2 H2O + CaO + CaSO4 → Ca(OH)2 + CaSO4*2H2O
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