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climate rule (lemmy.tf)

submitted 1 year ago by [email protected] to c/[email protected]

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[–] [email protected] 49 points 1 year ago

CO2 is 72.7% oxygen by weight, and 27.3% carbon. 2kg is 28.5% of 7kg, so with rounding it works out even if that is assuming that the coal has no impurities - it may be closer to 6kg but essentially it takes oxygen from the air and adds it to the carbon in the coal to form CO2