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jolli1 [7]
2 years ago
14

In the Lewis structure for a molecule, one of the nitrogen atoms shares six electrons with a carbon atom and has two electrons t

hat it does not share with any other atom. Which of the following correctly describes this nitrogen atom?(A) three single bonds and one lone pair(B) three single bonds and two lone pairs(C) triple bond and two lone pairs(D) triple bond and one lone pair
Chemistry
1 answer:
lutik1710 [3]2 years ago
3 0

Answer: option D. triple bond and one lone pair

Explanation:

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The answer is 2 electrons.


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Calcium is a metal. When metals react with non-metals, electrons are transferred from the metal atoms to the non-metal atoms forming ions. The resulting compound is known  as an ionic compound.

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When the temperature of air rises, the amount of water needed for saturation
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It increases as temperature rises.

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Answer:

One extraction: 50%

Two extractions: 75%

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Four extractions: 93.75%

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The following equation relates the fraction q of the compound left in volume V₁ of phase 1 that is extracted n times with volume V₂.

qⁿ = (V₁/(V₁ + KV₂))ⁿ

We also know that V₂ = 1/2(V₁) and K = 2, so these expressions can be substituted into the above equation:

qⁿ = (V₁/(V₁ + 2(1/2V₁))ⁿ = (V₁/(V₁ + V₁))ⁿ =  (V₁/(2V₁))ⁿ = (1/2)ⁿ

When n = 1, q = 1/2, so the fraction removed from phase 1 is also 1/2, or 50%.

When n = 2, q = (1/2)² = 1/4, so the fraction removed from phase 1 is (1 - 1/4) = 3/4 or 75%.

When n = 3, q = (1/2)³ = 1/8, so the fraction removed from phase 1 is (1 - 1/8) = 7/8 or 87.5%.

When n = 4, q = (1/2)⁴ = 1/16, so the fraction removed from phase 1 is (1 - 1/16) = 15/16 or 93.75%.

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Answer:

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