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What gas in the air reacts to copper to form CuO?
Oxygen gas (O2) reacts with copper (Cu) to form copper oxide (CuO).
Does burning copper in a naked flame increase its weight?
Copper doesn't burn in a naked flame, but will simply turn black. This is due to its reaction with the oxygen in the air forming black copper (II) oxide CuO. Therefore, as the copper has now reacted with oxygen it will weigh more than it did.
What is the chemical name of the product formed when copper reacts with a gas in air?
When the product is with oxygen it will be copper oxide CuO. If it is with nitrogen it is copper nitrate.
What is produced when copper sulphide is heated in the air?
When copper sulfide is heated in the air, it is oxidized to form copper oxide (CuO) and sulfur dioxide (SO2) gas.
When copper is heated in air?
When copper is heated in air, it undergoes oxidation and forms copper oxide. Initially, a layer of black copper oxide (CuO) forms on the surface, and upon further heating, it turns into red copper oxide (Cu2O).
A shiny brown coloured element X on heating in air becomes black compound Y Identify X and Y give examples?
Element X is likely copper, which forms a black copper oxide compound (Y) when heated in air. An example of this is when a copper penny (X) is heated and forms black copper oxide (Y) on its surface.
What compound is formed when copper is burned?
When copper is burned in the presence of air, it forms copper oxide. Copper oxide can exist in different forms, such as copper(I) oxide (Cu2O) or copper(II) oxide (CuO), depending on the conditions of the reaction.
What is the film on copper?
If you are referring to the greenish discolouration on exposure to the atmosphere it is called verdigris.
What is the copper oxide word equation?
2Cu (s) + O2 (g) -----------------> 2CuO (s)
What compound is made when copper reacts with oxygen?
Copper reacts with oxygen in the air to form copper oxide. The most common form is black copper(II) oxide (CuO) which gives copper a black coating or tarnish.
How does black copper oxide form?
CuCO3 + Heat --> CuO + O2 Green Copper Carbonate when heated will form Copper Oxide and Oxygen
What is the chemical name of the product when copper reacts with gas in the air?
Copper reacts with the oxygen in the air in a process called oxidation. This occurs in several steps as seen in Kuba Jasinski’s answer. The reactions occur as the copper atoms give up some electrons (oxidation) to the oxygens (reduction) to create ionic compounds. This is a classic example of what is called a redox (reduction-oxidation) reaction.
