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5. Osmosis, also with dialysis tubing. Note the experiment is run with Glucose in one bag and DI water in the other bag. A piece of glass tubing is inserted into the test solution in each of the dialysis bags and will be the measure of water movement. Questions: In Beaker A, what is the tonicity of the solution surrounding the bag? In Beaker B, what is the tonicity of the solution surrounding the bag? What is the significance of the increase in water level in Beaker A?

5. Osmosis, also with dialysis tubing. Note the experiment is run with Glucose in one bag and DI water in the other bag. A piece of glass tubing is inserted into the test solution in each of the dialysis bags and will be the measure of water movement. Questions: In Beaker A, what is the tonicity of the solution surrounding the bag? In Beaker B, what is the tonicity of the solution surrounding the bag? What is the significance of the increase in water level in Beaker A?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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### 5. Osmosis, also with Dialysis Tubing #### Experiment Overview In this experiment, glucose is placed in one dialysis bag and deionized (DI) water is placed in another bag. Each dialysis bag is placed in a separate beaker, one filled with a different solution. A piece of glass tubing is inserted into the test solution in each of the dialysis bags, which will act as a measure of water movement due to osmosis. #### Experimental Setup - **Bag 1 (Beaker A)**: Contains glucose solution. The beaker surrounding this bag contains a different solution. - **Bag 2 (Beaker B)**: Contains DI water. The beaker surrounding this bag contains a different solution. The movement of water will be measured based on the changes in the water level in the glass tubing inserted into each dialysis bag. #### Questions to Consider 1. **In Beaker A, what is the tonicity of the solution surrounding the bag?** - Reflect on whether the surrounding solution is hypertonic (higher solute concentration than inside the bag), isotonic (equal solute concentration), or hypotonic (lower solute concentration). 2. **In Beaker B, what is the tonicity of the solution surrounding the bag?** - Similar to Beaker A, consider the relative solute concentration of the surrounding solution to that inside the dialysis bag. 3. **What is the significance of the increase in water level in Beaker A?** - Interpret the meaning of an increase in water level in the context of osmotic movement. An increase would suggest a net movement of water into the dialysis tubing, typically from a hypotonic surrounding solution to a hypertonic solution inside the dialysis bag. #### Understanding Tonicity and Osmosis - **Osmosis**: The movement of water across a selectively permeable membrane from a region of lower solute concentration to a region of higher solute concentration. - **Tonicity**: Refers to the relative concentration of solutes in the solution outside the cell (or dialysis bag) compared to the inside solution: - **Hypertonic**: Higher concentration of solutes outside the bag than inside, causing water to move out of the bag. - **Hypotonic**: Lower concentration of solutes outside the bag than inside, causing water to move into the bag. - **Isotonic**: Equal concentration of solutes,
Transcribed Image Text:### 5. Osmosis, also with Dialysis Tubing #### Experiment Overview In this experiment, glucose is placed in one dialysis bag and deionized (DI) water is placed in another bag. Each dialysis bag is placed in a separate beaker, one filled with a different solution. A piece of glass tubing is inserted into the test solution in each of the dialysis bags, which will act as a measure of water movement due to osmosis. #### Experimental Setup - **Bag 1 (Beaker A)**: Contains glucose solution. The beaker surrounding this bag contains a different solution. - **Bag 2 (Beaker B)**: Contains DI water. The beaker surrounding this bag contains a different solution. The movement of water will be measured based on the changes in the water level in the glass tubing inserted into each dialysis bag. #### Questions to Consider 1. **In Beaker A, what is the tonicity of the solution surrounding the bag?** - Reflect on whether the surrounding solution is hypertonic (higher solute concentration than inside the bag), isotonic (equal solute concentration), or hypotonic (lower solute concentration). 2. **In Beaker B, what is the tonicity of the solution surrounding the bag?** - Similar to Beaker A, consider the relative solute concentration of the surrounding solution to that inside the dialysis bag. 3. **What is the significance of the increase in water level in Beaker A?** - Interpret the meaning of an increase in water level in the context of osmotic movement. An increase would suggest a net movement of water into the dialysis tubing, typically from a hypotonic surrounding solution to a hypertonic solution inside the dialysis bag. #### Understanding Tonicity and Osmosis - **Osmosis**: The movement of water across a selectively permeable membrane from a region of lower solute concentration to a region of higher solute concentration. - **Tonicity**: Refers to the relative concentration of solutes in the solution outside the cell (or dialysis bag) compared to the inside solution: - **Hypertonic**: Higher concentration of solutes outside the bag than inside, causing water to move out of the bag. - **Hypotonic**: Lower concentration of solutes outside the bag than inside, causing water to move into the bag. - **Isotonic**: Equal concentration of solutes,
### Experimental Setup: Comparative Analysis of Solutions #### Description: The image depicts an experimental setup designed for a comparative analysis of two different solutions labeled "A" and "B." #### Materials: - Two glass beakers - Solutions A and B #### Setup Details: - **Beaker A**: The beaker labeled "A" contains a solution with visible substance interaction. - **Beaker B**: The adjacent beaker labeled "B" also contains a solution but might have different chemical properties or reactions taking place inside it. - Both beakers appear to be mounted on a metallic stand, possibly for holding the stirrers or sensors used for the experiment. ### Purpose: The primary objective of this setup is to observe and analyze the differences in the reaction or properties of solutions A and B under controlled conditions. This setup is typically used for educational demonstrations to teach students about solution properties, reactions, or other experimental procedures in chemistry. ### Observational Parameters: 1. **Visual Changes**: Observing any color change, precipitation, or clarity differences between the solutions. 2. **Reaction Rates**: Comparing the speed at which reactions occur in both solutions. 3. **Physical Properties**: Noting differences in properties such as viscosity, density, and surface tension. ### Conclusion: This image and setup are essential for understanding how experimental controls work in chemistry. By comparing two distinct solutions, students can grasp fundamental concepts of chemical reactivity, solution properties, and methodological approaches in scientific research. ***End of Transcription***
Transcribed Image Text:### Experimental Setup: Comparative Analysis of Solutions #### Description: The image depicts an experimental setup designed for a comparative analysis of two different solutions labeled "A" and "B." #### Materials: - Two glass beakers - Solutions A and B #### Setup Details: - **Beaker A**: The beaker labeled "A" contains a solution with visible substance interaction. - **Beaker B**: The adjacent beaker labeled "B" also contains a solution but might have different chemical properties or reactions taking place inside it. - Both beakers appear to be mounted on a metallic stand, possibly for holding the stirrers or sensors used for the experiment. ### Purpose: The primary objective of this setup is to observe and analyze the differences in the reaction or properties of solutions A and B under controlled conditions. This setup is typically used for educational demonstrations to teach students about solution properties, reactions, or other experimental procedures in chemistry. ### Observational Parameters: 1. **Visual Changes**: Observing any color change, precipitation, or clarity differences between the solutions. 2. **Reaction Rates**: Comparing the speed at which reactions occur in both solutions. 3. **Physical Properties**: Noting differences in properties such as viscosity, density, and surface tension. ### Conclusion: This image and setup are essential for understanding how experimental controls work in chemistry. By comparing two distinct solutions, students can grasp fundamental concepts of chemical reactivity, solution properties, and methodological approaches in scientific research. ***End of Transcription***
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