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mote1985 [20]
3 years ago
8

Why does air have different pressures

Chemistry
1 answer:
yaroslaw [1]3 years ago
6 0
 Because, at lower elevation, everything is tightly packed, and theres more air. As for at higher elevation (like for example at the top of mount everest) There is less air... The higher the elevation, the less air. 
<em>~Hope this helped! :)</em>
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Determine if the bond between each pairs of atoms would be pure covalent, polar covalent, or ionic. n and se
Sveta_85 [38]

Types of Bonds can be predicted by calculating the difference in electronegativity.

If, Electronegativity difference is,

 

                Less than 0.4 then it is Non Polar Covalent Bond

                

                Between 0.4 and 1.7 then it is Polar Covalent Bond

            

                Greater than 1.7 then it is Ionic

 

For N and Se,

                    E.N of Nitrogen         =   3.04

                    E.N of Selenium        =   2.55

                                                   ________

                    E.N Difference             0.49          (Weakly Polar Covalent)


As you have not provided remaining pairs, so if you have any of them, follow the method as mentioned above.

3 0
3 years ago
What is ionic bonding? give examples
TiliK225 [7]
Ionic bonding is a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions, or between two atoms with sharply different electronegativities, and is the primary interaction occurring in ionic compounds.
5 0
3 years ago
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Answer:

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7 0
2 years ago
For the oxidation of ammonia
OverLord2011 [107]

The answer is 0.405 M/s

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- d[O2]/dt = 3/2 d[N2]/dt

- d[O2]/dt = 3/2 × 0.27

- d[O2]/dt = 0.405 mol L^(-1) s^(-1)

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2 years ago
Where does fertilization occurs in human beings​
Harman [31]

In human beings fertilization occurs in fallopian tube

7 0
2 years ago
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