2024年6月8日 · The compound with the formula Cu2S is called copper (I) sulfide, also known as cuprous sulfide. It is an important semiconductor material with applications in photovoltaic cells …

2017年1月30日 · Copper sulfide or dicopper sulfide Copper has two common oxidation numbers + 1 and +2. Sulfur has a common oxidation number of -2 A more precise name would be Copper …

2024年10月9日 · The balanced equation for the reaction between copper (II) sulfide (Cu2S) and oxygen (O2) to form copper (I) oxide (Cu2O) and sulfur dioxide (SO2) is as follows: 2Cu2S + …

2024年6月4日 · Cu2S is considered ionic because it is composed of a metal (copper) and a non-metal (sulfur), resulting in the transfer of electrons from copper to sulfur to form ionic bonds.

2024年5月21日 · The formula for copper (II) sulfide is CuS the formula for copper (I) sulfide is Cu2S.

2024年6月6日 · The molar mass of copper (I) sulfide (Cu2S) is 223.8 g/mol. Since there are two copper atoms and one sulfur atom in each formula unit, the mass of a single formula unit of …

2024年5月31日 · The binary ionic name for Cu2S is copper (I) sulfide.

2018年6月6日 · 2Cu2S + 3O2 = 2Cu2O + 2SO2 If the mass of Cu2S in the mixture is 14.0 g calculate the number of mole oxygen gas reacted? 5marks

2017年10月21日 · The trick here is to realize that the Roman numeral used to name this ionic compound tells you the oxidation state of the metal. In this case, you know that in copper (II) …

2024年5月22日 · If the question is Cu2, then it is equivalent to Cu and the oxidation number for any element is zero. If the question is Cu2+, then the oxidation number is +2.