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To find the oxidation number of copper (Cu) in CuO, consider that oxygen (O) usually has an oxidation number of -2. Since CuO is a neutral compound, the oxidation number of Cu can be calculated by setting up an equation where the sum of the oxidation numbers equals zero. In this case, the oxidation number of Cu in CuO is +2.
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How many moles are there in 3.2g of CuO?
To find the number of moles, first calculate the molar mass of CuO by adding the atomic masses of copper (Cu) and oxygen (O) together. Then, divide the given mass of CuO (3.2g) by the molar mass to get the number of moles.
What is the oxidation number of CuHSO4?
The oxidation number of Cu in CuHSO4 is +1. This is because the overall charge of the compound is 0, and the oxidation number of H is +1, S is +6, and O is -2. By calculating the total oxidation numbers and assigning x to Cu, you can solve for x to find that Cu is in the +1 oxidation state.
What is the charge on the metal ion of the salt CuO?
As there are two of them, the charge on the copper ion is 1+ to balance the charge of the oxygen (2-).
What is the oxidation number in Cu2S?
The oxidation number of Cu in Cu2S (copper sulfide) is +1. This is because the overall charge of the compound is 0 and there are two Cu atoms each with an oxidation state of +1.
What are the oxidation numbers of copper CuCl?
Oxidation number is the charge per atom in a compound. Cl2= 2- (Cl= 1-) Cu would have to be 2+ to balance the compound, because there is only one copper atom.
The reaction CuO plus CO yields Co2 plus Cu is an example of oxidation or reduction or both or neither?
The reaction CuO + CO → CO2 + Cu is an example of reduction because copper(II) oxide (CuO) gains electrons to form copper (Cu). Reduction is the gain of electrons by a species.
How many moles are there in 3.2g of CuO?
To find the number of moles, first calculate the molar mass of CuO by adding the atomic masses of copper (Cu) and oxygen (O) together. Then, divide the given mass of CuO (3.2g) by the molar mass to get the number of moles.
What is the oxidation number of CuHSO4?
The oxidation number of Cu in CuHSO4 is +1. This is because the overall charge of the compound is 0, and the oxidation number of H is +1, S is +6, and O is -2. By calculating the total oxidation numbers and assigning x to Cu, you can solve for x to find that Cu is in the +1 oxidation state.
Is Cu oxidized or reduced in CuO plus H2 yields Cu plus H2O?
Cu is oxidized. The oxidation number goes from 0 in Cu to +2 in CuSO4. S is reduced. The oxidation number goes from +6 in H2SO4 to +4 in SO2. The oxidizing agent is H2SO4 since it causes Cu to be oxidized. The reducing agent is Cu since it causes S in H2SO4 to be reduced.
What is the charge on the metal ion of the salt CuO?
As there are two of them, the charge on the copper ion is 1+ to balance the charge of the oxygen (2-).
What is the oxidation number in Cu2S?
The oxidation number of Cu in Cu2S (copper sulfide) is +1. This is because the overall charge of the compound is 0 and there are two Cu atoms each with an oxidation state of +1.
What is the oxidation number of Cu as a product?
The oxidation of any element, by itself, is zero.
How would you get copper from copper oxide?
you obtain Cu from CuO only by reducing with hydrogen or carbon monooxide: CuO + H2 → Cu + H2O
What are the oxidation numbers of copper CuCl?
Oxidation number is the charge per atom in a compound. Cl2= 2- (Cl= 1-) Cu would have to be 2+ to balance the compound, because there is only one copper atom.
What is the number of ions in CuO?
CuO is made up of Cu2+ and O2- ions. So there are two ions, per molecule of CuO.
What elements are in CuO?
Cu = Copper O = oxygen So, CuO is a molecule composed of copper and oxygen.
What does the oxidation number of an element tell you?
The oxidation number tells you the "combining power" of that element. For example, if Cu has a 1+ oxidation number then it will combine with Cl in a 1:1 ratio, and result in CuCl. If Cu has an oxidation number of 2+, then it will combine with Cl in a 1:2 ratio, and result in CuCl2.
