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Shtirlitz [24]
2 years ago
6

Which represents the correct order in which oxygen enters the body?

Chemistry
1 answer:
DerKrebs [107]2 years ago
5 0

Answer:

D. nose,trachea,bronchi,alveoli

Explanation:

sana po makatulong

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Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.
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Aromatic compound has continuous cyclic structure with( 4n+2)π electrons (Huckels rule), where n = 0,1,2…

Here number of pi electron are 6, where 4 from two double bond and 2 from nitrogen non-bonding electrons, hence it has total 6 pi electrons, therefore

6= ( 4n+2)π

4 = 4n  

n =1

 

Hence it is an aromatic compound  

 


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How many moles of Ar atoms are there in 202 L of Ar gas at STP? A) 1.20 x 1024 mol B) 1.11 x 10-1 mol C) 4.52 x 103 mol D) 9.02
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