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10 cards from this deck
Gases can escape or enter the reaction container
Yes, mass is conserved
CaOCaOCaO and CO2CO₂CO2
CO2CO₂CO2 gas escapes from open container
Open container
Oxygen (O2O₂O2) from air
Iron oxide
Oxygen from air combines with it
Heating CaCO3CaCO₃CaCO3 in open container
Iron exposed to air (rusting)
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