The green blocks ought to be ' Cu2(OH)2CO3'，ought not to be ' CuO ', the real color of 'CuO' should be black.
2Cu+O2=======2CuO
2Cu+O2+H2O+CO2=========Cu2(OH)2CO3
Cu2(OH)2~CO~3============2CuO+CO~2~↑+H~2~O
Comments 2
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