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Mustard gas, a chemical weapon used in World War II and more recently in the Middle East hasbeen shown to have a therapeutic index that enables it to be used as an effective agent in the chemotherapy of Hodgkin’s disease. It can be generated according to the reaction: SCl₂₍g₎  + 2C₂H₄₍g₎ ⇋ S(CH₂CH₂Cl)₂₍g₎ An evacuated 2.5-liter flask at 20.0°C is filled with 0.129 mol of SCl2 and 0.296 mol C2H4. After equilibrium is established, 0.01745 mol mustard gas is present. What is the partial pressure of each gas at equilibrium? What is the equilibrium constant K at 20.0oC?

Mustard gas, a chemical weapon used in World War II and more recently in the Middle East hasbeen shown to have a therapeutic index that enables it to be used as an effective agent in the chemotherapy of Hodgkin’s disease. It can be generated according to the reaction: SCl₂₍g₎  + 2C₂H₄₍g₎ ⇋ S(CH₂CH₂Cl)₂₍g₎ An evacuated 2.5-liter flask at 20.0°C is filled with 0.129 mol of SCl2 and 0.296 mol C2H4. After equilibrium is established, 0.01745 mol mustard gas is present. What is the partial pressure of each gas at equilibrium? What is the equilibrium constant K at 20.0oC?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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  1. Mustard gas, a chemical weapon used in World War II and more recently in the Middle East has
    been shown to have a therapeutic index that enables it to be used as an effective agent in the chemotherapy of Hodgkin’s disease. It can be generated according to the reaction:

SCl₂₍g₎  + 2C₂H₄₍g₎ ⇋ S(CH₂CH₂Cl)₂₍g₎

An evacuated 2.5-liter flask at 20.0°C is filled with 0.129 mol of SCl2 and 0.296 mol C2H4. After equilibrium is established, 0.01745 mol mustard gas is present.

  1. What is the partial pressure of each gas at equilibrium?
  2. What is the equilibrium constant K at 20.0oC?
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