Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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**Title: Predicting Experimental Outcomes Based on Vapor Pressure and Viscosity**

**Introduction:**
Liquid A is known to have a lower vapor pressure and lower viscosity than Liquid B. Use these facts to predict the result of each experiment in the table below, if you can.

**Experiment 1:**
- **Setup:** 
  - 35.0 mL of Liquid A is placed in one sealed 5 L flask.
  - 35.0 mL of Liquid B is placed in another sealed 5 L flask.
  - The pressure in each flask is increased slowly by adding argon gas.
- **Predicted Outcomes:**
  - ◯ Eventually both liquids boil, A first and then B.
  - ◯ Eventually both liquids boil, B first and then A.
  - ◯ Neither liquid will boil.
  - ◯ It’s impossible to predict whether either liquid boils without more information.

**Experiment 2:**
- **Setup:**
  - Two 10 L glass flasks are evacuated and sealed.
  - 25.0 mL of Liquid A is injected into one flask.
  - 25.0 mL of Liquid B is injected into the other flask.
  - After 30 minutes, the pressures \(P_A\) and \(P_B\) inside the flasks are measured.
- **Predicted Outcomes:**
  - ◯ \(P_A\) will be greater than \(P_B\).
  - ◯ \(P_A\) will be less than \(P_B\).
  - ◯ \(P_A\) will be equal to \(P_B\).
  - ◯ It’s impossible to predict whether \(P_A\) or \(P_B\) will be greater without more information.
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Transcribed Image Text:**Title: Predicting Experimental Outcomes Based on Vapor Pressure and Viscosity** **Introduction:** Liquid A is known to have a lower vapor pressure and lower viscosity than Liquid B. Use these facts to predict the result of each experiment in the table below, if you can. **Experiment 1:** - **Setup:** - 35.0 mL of Liquid A is placed in one sealed 5 L flask. - 35.0 mL of Liquid B is placed in another sealed 5 L flask. - The pressure in each flask is increased slowly by adding argon gas. - **Predicted Outcomes:** - ◯ Eventually both liquids boil, A first and then B. - ◯ Eventually both liquids boil, B first and then A. - ◯ Neither liquid will boil. - ◯ It’s impossible to predict whether either liquid boils without more information. **Experiment 2:** - **Setup:** - Two 10 L glass flasks are evacuated and sealed. - 25.0 mL of Liquid A is injected into one flask. - 25.0 mL of Liquid B is injected into the other flask. - After 30 minutes, the pressures \(P_A\) and \(P_B\) inside the flasks are measured. - **Predicted Outcomes:** - ◯ \(P_A\) will be greater than \(P_B\). - ◯ \(P_A\) will be less than \(P_B\). - ◯ \(P_A\) will be equal to \(P_B\). - ◯ It’s impossible to predict whether \(P_A\) or \(P_B\) will be greater without more information.
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