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If chart B represents the cooling of 14.0 g of a substance at a constant rate, determine the amount of energy lost during condensation

If chart B represents the cooling of 14.0 g of a substance at a constant rate, determine the amount of energy lost during condensation

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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If chart B represents the cooling of 14.0 g of a substance at a constant rate, determine the amount of energy lost during condensation

# Phase Change Chart Explanation ## Chart B ### Overview This chart illustrates the phase changes of a substance through various states (gas, liquid, solid) as it loses heat. The x-axis represents "Heat Lost (Joules)" while the y-axis denotes "Temperature (°C)." ### Key Points on the Chart - **Point A to B:** Represents the gas phase. Temperature decreases from 150°C to approximately 110°C as heat is lost. - **Point B to C:** The temperature remains constant at the gas boiling point (around 110°C). This indicates a phase change from gas to liquid. - **Point C to D:** Shows the liquid phase. Temperature decreases from the liquid boiling point (around 110°C) to approximately 20°C as the substance loses heat. - **Point D to E:** Temperature remains constant at the freezing point (around 20°C), indicating a phase change from liquid to solid. - **Point E to F:** Represents the solid phase. Temperature further decreases from 20°C to -30°C as heat continues to be lost. ### Labels - **Gas:** Indicates the gaseous state between points A and B. - **Gas Boiling Point:** Marked at point B where the gas transitions to liquid. - **Liquid Boiling Point:** Marked at point C, indicating the liquid state starts here. - **Liquid:** Indicates the liquid state between points C and D. - **Solid:** Indicates the solid state starting from point E through point F. This chart helps understand how temperature changes correspond to each phase while a substance loses heat, clearly illustrating the transition points between different states of matter.
Transcribed Image Text:# Phase Change Chart Explanation ## Chart B ### Overview This chart illustrates the phase changes of a substance through various states (gas, liquid, solid) as it loses heat. The x-axis represents "Heat Lost (Joules)" while the y-axis denotes "Temperature (°C)." ### Key Points on the Chart - **Point A to B:** Represents the gas phase. Temperature decreases from 150°C to approximately 110°C as heat is lost. - **Point B to C:** The temperature remains constant at the gas boiling point (around 110°C). This indicates a phase change from gas to liquid. - **Point C to D:** Shows the liquid phase. Temperature decreases from the liquid boiling point (around 110°C) to approximately 20°C as the substance loses heat. - **Point D to E:** Temperature remains constant at the freezing point (around 20°C), indicating a phase change from liquid to solid. - **Point E to F:** Represents the solid phase. Temperature further decreases from 20°C to -30°C as heat continues to be lost. ### Labels - **Gas:** Indicates the gaseous state between points A and B. - **Gas Boiling Point:** Marked at point B where the gas transitions to liquid. - **Liquid Boiling Point:** Marked at point C, indicating the liquid state starts here. - **Liquid:** Indicates the liquid state between points C and D. - **Solid:** Indicates the solid state starting from point E through point F. This chart helps understand how temperature changes correspond to each phase while a substance loses heat, clearly illustrating the transition points between different states of matter.
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Condensation is the process in which gaseous state of a substance converts to liquid state. This process occurs at a constant temperature.

 

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