
To calculate:
The equilibrium partial pressures of

Answer to Problem 14.87QA
Solution:
Equilibrium partial pressure of
Explanation of Solution
1) Concept:
Here we are using equilibrium constant expression of partial pressure given below using the equilibrium partial pressures of
2) Formula:
Here,
3) Given:
i)
ii)
iii)
iv)
4) Calculations:
RICE table for the given reaction:
Reaction | |||
Initial | |||
Change | |||
Equilibrium |
This equation fits the general form of a quadratic equation.
We need to solve this quadratic equation (1) using the following equation.
Here
Therefore,
Plugging these values in equation (2), we can get:
Solving this equation, we get two values of
We will use the positive value of x for further calculation because the partial pressure of the gas can never be negative.
Therefore, equilibrium partial pressures of
Conclusion:
Equilibrium partial pressures of the gaseous reactant and product can be determined using the gas phase equilibrium constant expression (KP) and the ICE table.
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Chapter 14 Solutions
Chemistry: An Atoms-Focused Approach
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