Chemistry Forum

Posted: **Mon Apr 25, 2016 10:54 pm**

1.Ca₂CO₃=CaO+CO₂
2.NaCl+AgNO₃=AgCl+NaNO₃

Posted: **Thu Aug 18, 2016 7:51 pm**

faisal alam wrote:1.Ca₂CO₃=CaO+CO₂
2.NaCl+AgNO₃=AgCl+NaNO₃

Are you asking if you have the equations correct, or balanced?

1. Almost, except there is only one calcium in calcium carbonate. So the decomposition is:

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CaCO3 = CaO + CO2

2. Yes. The double replacement reaction is:

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NaCl+AgNO3=AgCl+NaNO3

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