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alex41 [277]
2 years ago
12

Which of the following covalent bonds is the most polar?

Chemistry
1 answer:
Bezzdna [24]2 years ago
5 0

Answer:

D.) H-O

Explanation:

Polarity is determined based on the difference in electronegativity of the atoms. The greater the difference, the more polar the bond. The general trend is that the atoms in the top-right corner of the periodic table are the most electronegative.

A.) is incorrect because H-H has no electronegativity difference, making it nonpolar.

B.) and C.) are incorrect because their electronegativity differences are not the greatest.

D.) is correct because the electronegativity difference between the H and O is the greatest.

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If in a redox reaction oxidation state of elements decreases or looses electron(s), the element is said to be oxidized. Hope this helps you!
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3 years ago
3h2(g)+n2(g)→2nh3(g) what is the theoretical yield of ammonia, in kilograms, that we can synthesize from 5.25 kg of h2 and 32.7
Sergio039 [100]
Answer:
             29.75 Kg of NH₃

Solution:


              In order to calculate the theoretical yield, first we will identify the limiting reactant.
According to equation,

                      6 g (3 moles) H₂ requires  =  28 g (1 mole) N₂
So,
                      5250 g H₂ will require  =  X g of N₂

Solving for X,
                      X  =  (5250 g × 28 g) ÷ 6 g

                      X  =  25433 g of N₂

Hence, it is found that H₂ is the limiting reactant because N₂ is provided in excess (32700 g). Therefore,
As,
                   6 g (3 mole) H₂ produced  =  34 g ( 2 moles) of NH₃
So,
                       5250 g H₂ will produce  =  X g of NH₃

Solving for X,
                     X  =  (5250 g × 34 g) ÷ 6 g

                     X  =  29750 g of NH₃
Or,
                     X  =  29.75 Kg of NH₃
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Answer:

Explanation:

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4 years ago
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Explanation:

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lyudmila [28]

Answer:

3000000

Explanation:

3×1000000=3000000

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