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nasty-shy [4]
2 years ago
14

How many unbonded pairs of electrons are found on the alanine molecule

Chemistry
1 answer:
-Dominant- [34]2 years ago
6 0

Answer:

I'm hoping this helps!! it's on quizzes if you're wondering

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The weight of a medium sized apple is about _____. A) 1N B) 2N C) 1kg D) 2kg​
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Answer:

1n

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3 years ago
The boiling point of an aqueous 1.83 m (nh4)2so4 (molar mass = 132.15 g/mol) solution is 102.5°c. determine the value of the van
Goshia [24]

We need to know the value of van't hoff factor.

The van't hoff factor is: 2.66 or 2.7 (approximately)

(NH₄)₂SO₄ is an ionic compound, so it dissociates in solution and produces 3 ionic species. Therefore van't hoff factor is more than one.

From the equation: ΔT_{b}=i K_{b}.m, where ΔT_{b}= elevation of boiling point=102.5 - 100=2.5°C.

m=molality of solute=1.83 m (Given)

K_{b}= Ebullioscopic constant or Boiling point elevation constant= 0.512°C/m (Given)

i= Van't Hoff factor

So, 2.5= i X 0.512 X 1.83

i=\frac{2.5}{0.512 X 1.83}

i=2.66= 2.7 (approx.)


6 0
3 years ago
Given the balanced equation representing a
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2 years ago
Which statement describes the differences between nuclear reactions and chemical reactions?
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Chemical reactions are a change in substance while nuclear is destruction
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308K

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