Author Question: For the reaction: 2 Cl2(g) + 2 H2O(g) 4 HCl(g) + O2(g), Kp = 6.4 10-6 at 500 K. If a fixed volume ... (Read 40 times)

LaDunn · **on:** Jul 8, 2021

Question 1

For the reaction:

PCl₃(g) + Cl₂(g)

PCl₅(g) at 85 °C, K_p = 1.19

If one starts with 2.00 atm pressure of PCl₃, 1.00 atm pressure of Cl₂ and no PCl₅, what is the partial pressure of PCl₅(g) at equilibrium?
◦ 0.167 atm
◦ 0.739 atm
◦ 0.621 atm
◦ 0.465 atm
◦ 0.553 atm

Question 2

For the reaction: 2 Cl₂(g) + 2 H₂O(g)

4 HCl(g) + O₂(g), K_p = 6.4 × 10^-6 at 500 K. If a fixed volume is filled with initial concentrations of these gases at 227 °C such that [Cl₂] = 0.5 M, [H₂O] = 0.40 M, [HCl] = 0.5 M, and [O₂] = 0.015 M, in which direction will the reaction proceed?
◦ The reaction proceeds to the right.
◦ The reaction proceeds to the left.
◦ The reaction is already at equilibrium.
◦ The reaction volume must be specified to answer this question.
◦ The value of K_p at 25 °C must be specified to answer this question.

Tonyam972 · **Reply #1 on:** Jul 8, 2021

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