Activity 3Here is another Type 2 problem. The bullet points “walk you through” how to do it. A reaction vessel contains H2 and I2. The partial pressure of H2 is 12.3 atm, and the partial pressure of I2 is 2.56 atm. The reaction below occurs, and at equilibrium the pressure of HI is 4.39 atm. What are the partial pressures of the H2 and I2 at equilibrium? What is Kp?H2 (g) + I2 (g) à 2 HI (g)I C E Use the ICE chart given here. Remember that “I” is the initial pressure of reactants/products. Fill in the initial pressures.For the “C” part of the chart, figure out the change in pressures of reactants and products in terms of “x”.Finally, figure out the pressures of everything at equilibrium (“E” on chart) by adding up the initial pressure and the change in pressure. All these entries will be in terms of x.Now, use the information you were given about the pressure of HI at equilibrium. With this information, you should be able to figure out what x is.Now you can find out all the other pressures using the expressions you already calculated in line E in the chart.

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Answered: Activity 3 Here is another Type 2…

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 12.41PAE: Because calcium carbonate is a sink for CO32- in a lake, the student in Exercise 12.39 decides to go...

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Activity 3

Here is another Type 2 problem. The bullet points “walk you through” how to do it.

A reaction vessel contains H₂ and I₂. The partial pressure of H₂ is 12.3 atm, and the partial pressure of I₂ is 2.56 atm. The reaction below occurs, and at equilibrium the pressure of HI is 4.39 atm. What are the partial pressures of the H₂ and I₂ at equilibrium? What is K_p?

H₂ (g) + I₂ (g) à 2 HI (g)

I
C
E

Use the ICE chart given here. Remember that “I” is the initial pressure of reactants/products. Fill in the initial pressures.
For the “C” part of the chart, figure out the change in pressures of reactants and products in terms of “x”.
Finally, figure out the pressures of everything at equilibrium (“E” on chart) by adding up the initial pressure and the change in pressure. All these entries will be in terms of x.
Now, use the information you were given about the pressure of HI at equilibrium. With this information, you should be able to figure out what x is.
Now you can find out all the other pressures using the expressions you already calculated in line E in the chart.

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