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There are four sketches below. The first sketch shows a sample of Substance X. The three sketches underneath it show three different changes to the sample. You must decide whether each of these changes is possible. If a change is possible, you must also decide whether it is a physical change or a chemical change. Each sketch is drawn as if the sample were under a microscope so powerful that individual atoms could be seen. Also, you should assume that you can see the entire sample, and that the sample is in a sealed box, so that no matter can enter or leave.

There are four sketches below. The first sketch shows a sample of Substance X. The three sketches underneath it show three different changes to the sample. You must decide whether each of these changes is possible. If a change is possible, you must also decide whether it is a physical change or a chemical change. Each sketch is drawn as if the sample were under a microscope so powerful that individual atoms could be seen. Also, you should assume that you can see the entire sample, and that the sample is in a sealed box, so that no matter can enter or leave.

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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### Understanding the Changes in Substance X Below are four sketches illustrating the changes in a sample of Substance X. The first sketch shows the original sample, while the three sketches underneath show different potential changes to this sample. Your task is to determine whether each change depicted is possible. If a change is possible, you need to classify it as either a physical change or a chemical change. Each sketch is made to appear as if the sample is being viewed under a highly powerful microscope, enabling the visibility of individual atoms. It is also assumed that the sample is in a sealed box, ensuring no matter can enter or leave the sample. #### Sketch Descriptions **Sample of Substance X (Top Sketch):** - Depicts a box containing multiple molecules. Each molecule consists of two red atoms bonded together. **Change 1:** - The sketch shows a sample where molecules consist of two red atoms and one black atom bonded together. - Label options: - Impossible - A physical change - A chemical change **Change 2:** - The sketch shows a sample where the molecules remain as pairs of two red atoms each, but these pairs are now clustered together. - Label options: - Impossible - A physical change - A chemical change **Change 3:** - The sketch shows the sample virtually unchanged, with each molecule still consisting of two red atoms bonded together, but slightly rearranged. - Label options: - Impossible - A physical change - A chemical change ### Instructions: - For each change (Change 1, Change 2, Change 3), decide whether the change is impossible, a physical change, or a chemical change. #### Graphs and Diagram Explanation: - **Change 1**: This change is likely illustrating a chemical change, where new molecules with different atomic compositions are formed. - **Change 2**: This change may represent a physical change where molecular proximity changes without altering molecular composition. - **Change 3**: This change suggests no significant transformation, implying either no change or a minor physical change at most. Use this guide to understand and evaluate the transformations in the sample as it would appear in an educational context.
Transcribed Image Text:### Understanding the Changes in Substance X Below are four sketches illustrating the changes in a sample of Substance X. The first sketch shows the original sample, while the three sketches underneath show different potential changes to this sample. Your task is to determine whether each change depicted is possible. If a change is possible, you need to classify it as either a physical change or a chemical change. Each sketch is made to appear as if the sample is being viewed under a highly powerful microscope, enabling the visibility of individual atoms. It is also assumed that the sample is in a sealed box, ensuring no matter can enter or leave the sample. #### Sketch Descriptions **Sample of Substance X (Top Sketch):** - Depicts a box containing multiple molecules. Each molecule consists of two red atoms bonded together. **Change 1:** - The sketch shows a sample where molecules consist of two red atoms and one black atom bonded together. - Label options: - Impossible - A physical change - A chemical change **Change 2:** - The sketch shows a sample where the molecules remain as pairs of two red atoms each, but these pairs are now clustered together. - Label options: - Impossible - A physical change - A chemical change **Change 3:** - The sketch shows the sample virtually unchanged, with each molecule still consisting of two red atoms bonded together, but slightly rearranged. - Label options: - Impossible - A physical change - A chemical change ### Instructions: - For each change (Change 1, Change 2, Change 3), decide whether the change is impossible, a physical change, or a chemical change. #### Graphs and Diagram Explanation: - **Change 1**: This change is likely illustrating a chemical change, where new molecules with different atomic compositions are formed. - **Change 2**: This change may represent a physical change where molecular proximity changes without altering molecular composition. - **Change 3**: This change suggests no significant transformation, implying either no change or a minor physical change at most. Use this guide to understand and evaluate the transformations in the sample as it would appear in an educational context.
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