What happen when a copper vassel …

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Gurjeet Singh 8 years, 5 months ago
When a copper vessel is exposed to moist air for long, copper reacts with moist carbon dioxide in the air and slowly loses its shiny brown surface and gains a green coat. This green coating is a mixture of copper carbonate and copper hydroxide
2Cu(s) + CO2(g) + +O2 + H2O{tex}\,\rightarrow\,{/tex}CuCO3 + Cu(OH)2
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