The chemistry of fresco painting is the chemistry of limestone and lime plaster. limestone is calcium carbonate (caco3), an abundant, naturally occurring mineral. two key reactions, shown below, are involved in the process of converting limestone to lime plaster (calcium hydroxide). classify each of these reactions as one of the four types of reactions listed in this experiment (decomposition, synthesis, single replacement, or double replacement).

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Chemistry

Richard Davidson

8 March, 04:22

The chemistry of fresco painting is the chemistry of limestone and lime plaster. limestone is calcium carbonate (caco3), an abundant, naturally occurring mineral. two key reactions, shown below, are involved in the process of converting limestone to lime plaster (calcium hydroxide). classify each of these reactions as one of the four types of reactions listed in this experiment (decomposition, synthesis, single replacement, or double replacement).

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Jamarcus Norris · Answer 1

First chemical reaction: CaCO₃ (s) → CaO (s) + CO₂ (g).

CaO is calcium oxide.

CO₂ is carbon dioxide.

This reaction is decomposition. Calcium carbonate is broken down into simpler compounds.

Second chemical reaction: CaO (s) + H ₂O (l) → Ca (OH) ₂ (aq).

This reaction synthesis. One molecule is produced from two molecules.