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Viktor [21]
3 years ago
11

Insert numbers next to these steps to show the correct order of events for a fuel cell to work. (1 - first step, 5 – last step).

At the anode, the Hy loses electrons and becomes H+. At the cathode, H+ ions combine with electrons and O2 to produce H20. Electrons (e) flow through the wire to produce electricity. Fuel (H) is pumped into the cell. H+ flows through the electrolyte to the cathode.​
Chemistry
1 answer:
alexgriva [62]3 years ago
5 0

Answer:

2

5

4

1

3

Explanation:

got it right on edge :))))

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Explanation:

6 0
3 years ago
When ethyl acetoacetate (CH3COCH2CO2CH2CH3) is treated with one equivalent of CH3MgBr, a gas is evolved from the reaction mixtur
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Answer:Methane gas is evolved from the reaction mixture.

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When ethyl acetoacetate is treated with grignard reagent a carbanion is generated.

There are two acidic hydrogens which are present on the carbon which is in between the ester and the ketone group in ethylacetoacetate.

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As  the acidic proton is abstracted from ethylacetoacetate which leads to generation of carbanion and this carbanion is very stable as it can be delocalized on to the two carbonyl groups . As we add aqueous acid to the reaction mixture the carbanion can again be protonated and its protonation would lead to the generation of ethylacetoacetate again.

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