a.
Interpretation: The equilibrium partial pressure of the gases needs to be calculated when flask contains only
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:
When the equilibrium constant is expressed in terms of pressure, then it is represented as
a.
Answer to Problem 50E
The equilibrium partial pressure of the gases is:
Explanation of Solution
Given:
The reaction:
The expression for the equilibrium constant for the given reaction is:
Where
The ICE table for the reaction is:
Substituting the values from ICE table to equation (1) as:
Since,
Solving for x:
On solving the quadratic equation, the obtained values of x are
Hence, the equilibrium partial pressure of the gases is:
b.
Interpretation: The equilibrium partial pressure of the gases needs to be calculated when flask contains only
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:
When the equilibrium constant is expressed in terms of pressure, then it is represented as
b.
Answer to Problem 50E
The equilibrium partial pressure of the gases is:
Explanation of Solution
When flask contains only
The expression for the equilibrium constant for the reaction is:
Where
The ICE table for the reaction is:
Substituting the values from ICE table to equation (2) as:
Since,
Solving for x:
On solving the quadratic equation, the obtained values of x are
Hence, the equilibrium partial pressure of the gases is:
c.
Interpretation: Whether the direction from which an equilibrium position is reached will matter or not should be explained from above two parts.
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:
When the equilibrium constant is expressed in terms of pressure, then it is represented as
c.
Answer to Problem 50E
No, the direction from which an equilibrium position is reached in the
Explanation of Solution
The equilibrium partial pressure of the gas’s values obtained in above two parts; a and b are same that is:
Hence, the direction from which an equilibrium position is reached in the chemical reaction will not matter.
d.
Interpretation: The new equilibrium partial pressure needs to be calculated when the volume of the container for part a is decreased to one-half from the original volume.
Concept Introduction: The law which states the relation between pressure,
d.
Answer to Problem 50E
The new equilibrium partial pressure is:
Explanation of Solution
The Boyle’s law can be expressed as for two different sets of condition for the same substance at constant temperature as:
Where 1 and 2 indicates conditions at set 1 and condition at set 2.
Let
When the volume of the container for part a is decreased to one-half from the original volume,
So, the new equilibrium partial pressure,
The value of
So, the initial partial pressure of
The reaction:
The expression for the equilibrium constant for the given reaction is:
Where
The ICE table for the reaction is:
Substituting the values from ICE table to equation (1) as:
Since,
Solving for x:
On solving the quadratic equation, the obtained values of x are
Hence, the equilibrium partial pressure of the gases is:
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Chapter 6 Solutions
CHEM.PRINC.W/OWL2+REBATE+2 SUPPL.>IP<
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