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Anvisha [2.4K]
3 years ago
15

How many of the electrons in a molecule of ethane are not involved in bondind​

Chemistry
1 answer:
vovikov84 [41]3 years ago
7 0

Ethane consists of 6C−H bonds and 1C−C bond. Total number of bonds is 7. Each bond is made up of two electrons

<h2><em>#</em><em>L</em><em>E</em><em>T</em><em>S</em><em> </em><em>STUDY</em></h2>

<em>#</em><em>B</em><em>R</em><em>A</em><em>I</em><em>N</em><em>L</em><em>E</em><em>S</em><em>T</em><em> </em><em>LOVE❣️</em>

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Which diagram represents an electrically neutral atom​?
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Answer:

D

Explanation:

I hope this right, I'm sorry if it's not.

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24. When the equation
serg [7]

Answer:

Explanation:

3

Explanation:

The reaction expression is given as:

     Al(OH)₃  +   HNO₃   →    H₂O   +  Al(NO₃)₃  

To solve this problem, let us assign coefficient a,b,c and d to each specie;

          aAl(OH)₃  +   bHNO₃   →    cH₂O   +  dAl(NO₃)₃  

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let a = 1 , d  = 1, b  = 3 , c = 3

 Multiply through by 3;

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7 0
3 years ago
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Arrange the elements in order of increasing ionization energy: K,Br
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7 0
3 years ago
How much heat is absorbed in the complete reaction of 3.00 grams of SiO2 with excess carbon in the reaction SiO2(g) + 3C(s) → Si
defon

Answer:

31.24 kJ

Explanation:

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First we <u>convert 3.00 grams of SiO₂ to moles</u>, using its <em>molar mass</em>:

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Now we <u>calculate the heat absorbed</u>, using the <em>given ΔH°</em>:

If the complete reaction of 1 mol of SiO₂ absorbs 624.7 kJ, then with 0.05 mol:

  • 0.05 mol * 624.7 kJ/mol = 31.24 kJ of heat would be absorbed.
6 0
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