Which of the following is a balanced chemical equation?
2 answers:
Answer : The correct option is,
Explanation :
Balanced chemical reaction : It is defined as the number of atoms of individual elements present on reactant side must be equal to the product side.
The given unbalanced chemical reaction is,
These chemical reactions are the unbalanced reactions because in this reaction, the number of atoms of individual elements present on reactant side are not equal to the product side.
Thus, the balanced chemical reaction will be,
This chemical reaction is a balanced chemical reaction because in this reaction, the number of atoms of individual elements present on reactant side are equal to the product side.
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<u>Answer:</u> The electrode potential of the cell is 0.093 V
<u>Explanation:</u>
The given chemical cell follows:
<u>Oxidation half reaction:</u>
<u>Reduction half reaction:</u>
<u>Net cell reaction:</u>
Oxidation reaction occurs at anode and reduction reaction occurs at cathode.
To calculate the of the reaction, we use the equation:
Putting values in above equation, we get:
To calculate the EMF of the cell, we use the Nernst equation, which is:
where,
= electrode potential of the cell = ? V
= standard electrode potential of the cell = +0.13 V
n = number of electrons exchanged = 2
Putting values in above equation, we get:
Hence, the electrode potential of the cell is 0.093 V