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Orlov [11]
4 years ago
5

[Kr]5s^24d^105p^4

Chemistry
1 answer:
Margarita [4]4 years ago
7 0
- Telleurium ( Te) is the chemical symbol
- electron is 52,
- there are 2 electron in 5s
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Formulas for reactants and products with states are as follows;
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dinitrogen oxide - N₂O (g)
balanced reactions when the masses of both sides of the equation must be balanced 

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How would life be different without polythene
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3 years ago
What volume (L) will 3.56 mol NH3 occupy at STP. (1 point)
mart [117]

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Explanation:

I hope it helps you good luck

7 0
3 years ago
The absorbance of an equilibrium mixture containing FeSCN2 was measured at 447 nm and found to be 0.347. What is the equilibrium
Ksenya-84 [330]

Answer:

The concentration is C = 1.11 mol/L

Explanation:

From the question we are told that

     The absorbance is  A = 0.347

       The length is  l =  447 nm  =  447 *10^{-7} \ cm

     

Generally absorbance is mathematically represented as

        A =  \epsilon*  C * l

where \epsilon is the molar absorptivity of  FeSCN2  with a value \epsilon  =  7.0*10^3 L/cm/mol

 and  C is the equilibrium concentration of FeSCN2

So  

       C = \frac{A}{\epsilon *  l  }

substituting values

        C = \frac{0.347}{7.0*10^{3} *  447 *10^{-7}  }

         C = 1.11 mol/L

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3 years ago
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3 years ago
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