Thermal Decomposition of Carbonates

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SUMMARY

The discussion focuses on the Thermal Decomposition of metal carbonates, specifically addressing the ionic equations for reactions involving copper carbonate (CuCO3) and other compounds. Participants confirm that the reaction of CuCO3 decomposing into CuO and CO2 can be represented with ionic equations, while noting that the presence of ionic solids and solutions complicates the process. Additionally, they highlight the importance of accurately predicting the states of matter (solid, liquid, gas) in chemical reactions, particularly in double decomposition reactions.

PREREQUISITES
  • Understanding of ionic equations and their applications in chemical reactions
  • Familiarity with the properties of metal carbonates and their thermal decomposition
  • Knowledge of states of matter in chemistry (solid, liquid, gas)
  • Basic principles of double decomposition reactions
NEXT STEPS
  • Study the thermal decomposition reactions of various metal carbonates
  • Learn how to write and balance ionic equations for chemical reactions
  • Explore the principles of predicting states of matter in chemical reactions
  • Investigate the characteristics and reactions of double decomposition reactions
USEFUL FOR

Chemistry students, educators, and anyone preparing for practical assessments involving thermal decomposition and ionic equations.

sb.neethu
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Hi,

I have a practical assessment tomorrow which deals with the Thermal Decomposition of a metal Carbonate.

Is it possible to write Ionic Equations for the reaction? Ionic solids and solutions are involved, but the reactions seem to be Double Decomposition, especially the test for CO2

Also, how is it possible to predict the state(solid, liquid,gas) of a chemical?
 
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CuCO3 + CuO --> CuO + CO2

CO2 + Ca(OH)2 --> CaCO3 +H2O

CuO + H2SO4 --> CuSO4 + H2O
 
Some of these reactions take place in solution, so some reagents will be in the form of ions.
 
Your first reaction has an unnecessary CuO on the reactants side.
 

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