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katrin2010 [14]
2 years ago
14

Which word identifies this part of a eukaryotic cell?

Chemistry
1 answer:
ZanzabumX [31]2 years ago
7 0
Cytoplasm

It’s an ‘empty’ space for chemical reactions
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In 1901, Thomas Edison invented the nickel-iron battery. The follwing reaction takes place in the battery.
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Answer: The number of moles of Fe(OH)_2  produced are, 3.60 moles.

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First we have to calculate the limiting and excess reagent.

The balanced chemical equation is:

Fe(s)+2NiO(OH)(s)+2H_2O(l)\rightarrow Fe(OH)_2(s)+2Ni(OH)_2(aq)

From the balanced reaction we conclude that

As, 1 mole of Fe react with 2 mole of NiO(OH)

So, 3.60 moles of Fe react with 3.60\times 2=7.2 moles of NiO(OH)

From this we conclude that, NiO(OH) is an excess reagent because the given moles are greater than the required moles and Fe is a limiting reagent and it limits the formation of product.

Now we have to calculate the moles of Fe(OH)_2

From the reaction, we conclude that

As, 1  mole of Fe react to give 1 mole of Fe(OH)_2

So, 3.60 mole of Fe react to give 3.60 mole of Fe(OH)_2

Therefore, the number of moles of Fe(OH)_2  produced are, 3.60 moles.

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