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miss Akunina [59]
3 years ago
8

How many neutrons are found in one atom of 16n? express your answer numerically?

Chemistry
1 answer:
Verdich [7]3 years ago
4 0

The number 16 next to the elemental symbol of Nitrogen which is N indicates the mass number of the element. Now the atomic number of N is 7, this is also equal to the number of protons or electrons in the nucleus. So the balance is 16 – 7 = 9 which is being occupied by the neutrons. Therefore the number of neutrons is:

<span>9</span>

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Calculate e°cell for a silver-aluminum cell in which the cell reaction is al(s) + 3ag+(aq) → al3+(aq) + 3ag(s) –2.46 v 0.86 v –0
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when we have the balanced equation of this half cell :

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Ag+(aq)  + e- → Ag(s)  and E°2 = 0.8 V 

so, we can get E° in Al(s) + 3Ag (aq) → Al3+(aq) + 3Ag(s)

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∴ the correct answer is 2.46 V




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