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    hazemk7 Posts: 1, Reputation: 1
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    Feb 5, 2012, 03:52 AM
    Can anyone tell me everything about CaO CO2 --> CaCO3?
    The chemical formula is: CaO CO2 --> CaCO3
    How much heat does it need to happen?
    Is it practically reversible?
    How much heat will CaCO3 need if the reaction is reversible and it decomposes again?
    Is CaCO3 safe for the environment and human health?
    Is CaO an expensive substance?

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