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Stels [109]
3 years ago
12

Lewis dot structure for N3-

Chemistry
2 answers:
d1i1m1o1n [39]3 years ago
5 0

Answer:

See figure 1

Explanation:

For the <u>azide ion</u> N_3^-^1 we will  5 electrons for each nitrogen and 1 electron for the negative charge, so:

5~electrons*~3~N=~15~e^-\\\\15~e^-~+~1e^-~=~16e^-

We have to organize the 16 electrons. For example in figure 1 we will have the 3 nitrogens in line, if we check the <u>formal charge</u> for each atom we will get:

FC=~valence~electrons~-(lone~pairs~e^-+\frac{1}{2}~bound~electrons)

For figure 1 we will have:

A:~FC=~5~-(4+\frac{1}{2}4)=~-1

B:~FC=~5~-(0+\frac{1}{2}8)=~+1

C:~FC=~5~-(4+\frac{1}{2}4)=~-1

In total we will have a charge of => -1+1-1= <u>-1</u>

labwork [276]3 years ago
4 0

Answer :

The steps involved in the electron dot structure of N^{3-} are :

First we have to determine the total number of valence electron in N^{3-}.

Number of valence electrons in N = 5

The charge on N is (-3). So, we add 3 electrons.

Total number of valence electrons = 5 + 3 = 8 electrons

The image is shown below.

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Sindrei [870]

The molar solubility is 7.4×10^{-3} M and the solubility is  7.4×10^{-3} g/L .

Calculation ,

The dissociation of silver bromide is given as ,

AgBr → Ag ^{+} + Br^{-}

S  

 -          S        S        

Ksp =  [Ag ^{+} ] [ Br^{-} ]  =  [S] [ S ] = S^{2}

S = √ Ksp = √ 5. 5×10^{-5} = 7.4×10^{-3}

The solubility =7.4×10^{-3} g/L

The molar solubility is the solubility of one mole of the substance.

Since ,  one mole of AgBr is dissociates and form one mole of each  Ag ^{+} and Br^{-} ion . So, solubility is equal to molar solubility but unit is different.

Molar solubility = 7.4×10^{-3} mol/L = 7.4×10^{-3} M

To learn more about molar solubility ,

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1 year ago
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zhannawk [14.2K]

Answer: it would be a 1 to 1 ratio

Explanation: originally it would be 2 to 2 but you have to reduce

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Which type of energy is associated with random motion of atoms and molecules in a sample of air?
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Answer:

a

Explanation:

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15.K is the chemical symbol of Potassium and generally the name of the non-metal at the end of a formula has the suffix '-ide' and since O is oxygen, the name becomes Potassium oxide.

16. The same applies here. Ca is Calcium and Cl is Chlorine but since its the non-metal at the end, it ends in -ide. So Calcium chloride.

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