Answer:
3Zn(s) + 2FeCl₃(aq) → 2Fe(s) + 3ZnCl₂ (aq)
Explanation:
This is a redox reaction where solid iron is formed by the reaction of Zn and Iron(III) chloride. We called redox because the iron is reduced and the zinc is oxidized.
The reactants are: Zn(s) and FeCl₃(aq)
The products are: ZnCl₂(aq) and Fe(s)
Zn(s) → Zn²⁺(aq) + 2e⁻ Oxidation
Fe³⁺(aq) + 3e⁻ → Fe(s) Reduction
The e- are unballanced so we multiply the half reactions:
(Zn(s) → Zn²⁺(aq) + 2e⁻) . 3 → 3Zn(s) → 3Zn²⁺(aq) + 6e⁻
(Fe³⁺(aq) + 3e⁻ → Fe(s)) . 2 → 2Fe³⁺(aq) + 6e⁻ → 2Fe(s)
When we sum the half reactions, the electrons can be cancelled:
3Zn(s) + 2Fe³⁺(aq) + 6e⁻ → 2Fe(s) + 3Zn²⁺(aq) + 6e⁻
Balanced equation: 3Zn(s) + 2FeCl₃(aq) → 2Fe(s) + 3ZnCl₂ (aq)
The freezing point of a substance is the same as that substance's melting point.
At this particular temperature, the substance can exist as either a solid or a liquid.
I believe it would be combustion because of the products CO2 and then C+2H2
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Answer:
The remote control sends low-energy infrared radiation to a light detector on the front of the television
Explanation:
The signal between a remote control and the TV controls consists of pulses of infrared light, which is invisible to the human eye