This is a thermal decomposition reaction.
CaCO3 -------> CaO + CO2
Ca(OH)2 + CO2 = CaCO3 + H2O
CaCO3 --> CaO + CO2
CaCO3 + 2HCl --> CaCl2 + H2O + CO2
Decomposition Reaction
The equation is: CaCO3------CaO + CO2
Unbalanced equation is: NO2 + CaCo3 = Ca(NO3)2 + CO2
CaCO3 -------> CaO + CO2
It depends on the reaction temperature. At 298K, the heat of reaction is 179 kJ/mol
Limestone = CaCo3. Therefore :- CaCO3 --(HEAT)--> CaO + CO2 This is known as thermal decompostition.
CaCO3 + 2HCl -> CaCl2 + H2O + CO2
Ca(OH)2 + CO2 = CaCO3 + H2O
CaCO3 + 2HCl --> CaCl2 + CO2 + H2O ------------------------------------------------
The equation CaCO3 -> CaO + CO2 is an example of a decomposition reaction.
CaCO3 --> CaO + CO2
CaCO3 + 2HCl --> CaCl2 + CO2 + H2O
CaCO3 + 2HCl --> CaCl2 + H2O + CO2