AshleyMsMo2nth AshleyMsMo2nth

04-08-2016
Chemistry

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When a mixture of limestone and clay is heated in a rotary kiln cement is produced. Burning a mixture of methane and air heats the kiln. Carbon dioxide is one of the main gases give two reasons why. and give a reason why sulphur dioxide has a high percentage coming out of the kiln?

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07-08-2016

Carbon Reasons: (1) Quicklime is produced by the thermally decomposing limestone, which produces carbon dioxide as a byproduct

CaCo3 --> CaO+CO2

(2) Since this reaction requires a large amount of energy, fuel (usually coal) is burned, which produces carbon dioxide

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