There are two different copper oxide formula's:
2Cu + O2 -> 2CuO (black Copper(II) oxide)
or
4Cu + O2 -> 2Cu2O (red Copper(I) oxide)
The correct formula for copper(I) cyanide is CuCN.
Cuprous oxide or copper I oxide is Cu2O
The chemical symbol for copper is Cu from the Latin Cuprum.
Cu2O, where the 2 should be a subscript, is copper(I) oxide or cuprous oxide to give it its old name. It is found naturally as the ore cuprite. It is a red-brown powder, whereas the copper(II) oxide we see when copper is heated is black.
CuO = Cupric Oxide Cupric = Cu2+ and is not Cu The correct answer would be CuO = Copper Monoxide Copper (II) oxide is the name of the compound CuO.
The balanced equation for copper(II) oxide and potassium chloride is CuO + 2KCl → CuCl2 + K2O When copper(II) oxide reacts with potassium chloride then it forms copper(II) chloride and potassium oxide.
This will depend upon which version of copper oxide you have - copper I oxide or copper II oxide. For copper I oxide: H2SO4 + Cu2O --> Cu2SO4 + H2O For copper II oxide: H2SO4 + CuO --> CuSO4 + H2O
Copper(I) Oxide: Cu2O (cuprous oxide)orCopper(II) Oxide: CuO (cupric oxide)it can be both.
The correct formula for copper(I) cyanide is CuCN.
Cuprous oxide or copper I oxide is Cu2O
The formula for copper(II) oxide is CuO. This is the commonly met black powder. Copper(I) oxide also exists. This is a red powder, and its formula is Cu2O where the 2 should be a subscript.
The chemical formula for copper oxide is CuO.
Copper(II) oxide: CuO
The balanced symbol equation for copper II oxide reacting with hydrogen is Cu + H2O. This reaction will create copper and water as a result.
Copper(I) Oxide: Cu2O (cuprous oxide)orCopper(II) Oxide: CuO (cupric oxide)it can be both.
The chemical symbol for copper is Cu from the Latin Cuprum.
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