ChloChloxoxo ChloChloxoxo

24-06-2014
Chemistry

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In the thermal decomposition of copper carbonate, the black solid left behind weights less than the original copper carbonate . Why?

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pyromorphite pyromorphite

26-06-2014

CuCO₃ ---T--> CuO↓ + CO₂ ↑

CO₂ escapes to the atmosphere (it's a gas)

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vaibhavay vaibhavay

28-06-2014

It is so bcs of law of conservation of mass

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