a.
Interpretation: The
Concept Introduction:The measure of energy per unit charge which is available from the
Nernst equation gives the relationship between standard reduction potential,
Where
This equation is specified at room temperature,
a.
Answer to Problem 132MP
The
Explanation of Solution
Given:
The half-reactions at which galvanic cell is based on:
The concentration of
The observed
The half-reactions at which galvanic cell is based on:
Since, the reduction potential value of copper is greater than that of vanadium so, the copper will undergo reduction and vanadium will undergo oxidation so, the half-reactions are written as:
Adding both the reactions to get the overall reactions as:
So, the overall balanced reaction for the galvanic cell is:
Now, according to Nernst equation at room temperature,
Now, the concentration of
The initial moles of
The concentration of
Substituting the values:
Now, substituting the values in equation (1) as:
Hence, the
b.
Interpretation: The value of equilibrium constant for the titration reaction needs to be calculated.
Concept Introduction: The relationship between reactants and products of a reaction in equilibrium with respect to some unit is said to be equilibrium expression. It is the expression that gives ratio between products and reactants. The expression is:
b.
Answer to Problem 132MP
Explanation of Solution
The given titration reaction is:
The expression for equilibrium constant is:
From the balanced reaction, the number of moles of reactants are same that is 1 mole for each so, the equilibrium concentration of both the reactants is same that is
At equilibrium, the number of moles of
Substituting the values:
Now, the concentration of
Substituting the values:
The values of concentrations are substitute in equation (2) as:
c.
Interpretation: The
Concept Introduction: The measure of energy per unit charge which is available from the redox reactions to carry out the reaction is said to be cell potential.
Nernst equation gives the relationship between standard reduction potential,
Where
This equation is specified at room temperature,
c.
Answer to Problem 132MP
The
Explanation of Solution
The volume added to
At hallway equivalence point, the initial moles of
The concentration of
Substituting this value of concentration is Nernst equation as:
Hence, the
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Chapter 11 Solutions
CHEM.PRINC.W/OWL2+REBATE+2 SUPPL.>IP<
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