If you are going to measure the mass of your dog, which of the following units should you use? (2 points) centigram kilogram gram nanogram
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Ответ:
You would use kilograms to measure the mass of your dog.
Ответ:
The oxidation reaction: Ni → Ni⁴⁺ + 4e.
The reduction reaction: 2Cl₂ + 4e → 4Cl⁻.
Explanation:
The mentioned reaction: Ni + 2Cl₂ → NiCl₄.It is an oxidation-reduction reaction comes from two half reactions.The oxidation reaction: in it Ni losses 4 electrons and is oxidized to Ni⁴⁺ according to the reaction:
Ni → Ni⁴⁺ + 4e.
The reduction reaction: every molecule of Cl₂ will gain 2 electrons and is reduced to 2Cl⁻ according to the reaction:
2Cl₂ + 4e → 4Cl⁻.
The summation of the two-half reactions will give the reaction:Ni + 2Cl₂ → NiCl₄.