Which of the following balanced chemical equations represents the decomposition of limestone at high temperature? A) Ca(OH)₂(s)→ CaO(s)+ H₂O(g) B) 2 CaO(s)→ 2 Ca(s)+ O₂(g) C) CaCO₃(s)→ CaO(s)+ CO₂(g) D) Ca(OH)₂(s)→ CaH₂(s)+ O₂(g) E) 2 CaCO₃(s)→ 2 Ca(s)+ O₂(g)+ CO₂(g)

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Quizplus · Accepted Answer

Limestone is typically represented by the formula CaCO3, and the decomposition at high temperature results in the formation of CaO and CO2 gas. Option C is the only equation that contains CaCO3 (represented as CaCO3(s)), which decomposes to form CaO (represented as CaO(s)) and CO2 gas (represented as CO2(g)).

Which of the Following Balanced Chemical Equations Represents the Decomposition