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TICE The data below refers to an unknown substance, X. Boiling Heat of Heat of Point Fusion Vaporization 425 kJ/g 695 kJ/g 1. Draw a heating curve for substance X, going from Melting point 32.0°C 112.0°C 125 Call formulas used to calculate heat. 112°C- 32°C- &q=m Alifus F Em SS AT SH Capacity (solid) SH (liquid) 2.3 J/g°C 5.9 J/gºC 1.1 J/g°C 15°C to 125°C on the axis below. Write in A GEMSVAT с атаниро q=ms, AT 15°C b. Determine the amount of heat released when 15.0g of gaseous X at 112.0°C changes to liquid at 112.0°C. 9=15.09x695k/g 9= = ΜΔΗ vaporization 9-10425K) -695k/g c. Determine the amount of heat necessary to convert 15.0g of solid X at-32.0°C to liquid at 32.0° C. 9= AH == AH = d. Determine the mass of X that can be heated from-38°C to 102°C using 4500J of heat. m = AH= e. Find the final temperature if 150g of X, at 19°C, receives 650J of heat SH (vapor) AH-

TICE The data below refers to an unknown substance, X. Boiling Heat of Heat of Point Fusion Vaporization 425 kJ/g 695 kJ/g 1. Draw a heating curve for substance X, going from Melting point 32.0°C 112.0°C 125 Call formulas used to calculate heat. 112°C- 32°C- &q=m Alifus F Em SS AT SH Capacity (solid) SH (liquid) 2.3 J/g°C 5.9 J/gºC 1.1 J/g°C 15°C to 125°C on the axis below. Write in A GEMSVAT с атаниро q=ms, AT 15°C b. Determine the amount of heat released when 15.0g of gaseous X at 112.0°C changes to liquid at 112.0°C. 9=15.09x695k/g 9= = ΜΔΗ vaporization 9-10425K) -695k/g c. Determine the amount of heat necessary to convert 15.0g of solid X at-32.0°C to liquid at 32.0° C. 9= AH == AH = d. Determine the mass of X that can be heated from-38°C to 102°C using 4500J of heat. m = AH= e. Find the final temperature if 150g of X, at 19°C, receives 650J of heat SH (vapor) AH-

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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**Core Heat Practice** The data below refers to an unknown substance, X. | Melting Point | Boiling Point | Heat of Fusion | Heat of Vaporization | SH Capacity (Solid) | SH (Liquid) | SH (Vapor) | |---------------|--------------|----------------|---------------------|--------------------|------------|------------| | 32.0°C | 112.0°C | 425 kJ/kg | 695 kJ/kg | 2.3 J/g°C | 5.9 J/g°C | 1.1 J/g°C | 1. **Draw a heating curve** for substance X, going from 15°C to 125°C on the axis below. Write in all formulas used to calculate heat. - **Graph Explanation:** The heating curve includes the following segments: - Segment E-F: Heating solid from 15°C to 32°C. Formula: \( q = m \cdot s_s \cdot \Delta T \) - Segment F-C: Melting at 32°C. Formula: \( q = m \cdot \Delta H_{fus} \) - Segment C-B: Heating liquid from 32°C to 112°C. Formula: \( q = m \cdot s_l \cdot \Delta T \) - Segment B-A: Boiling at 112°C. Formula: \( q = m \cdot \Delta H_{vap} \) - Segment A: Heating vapor beyond 112°C. 2. **Determine the amount of heat released when 15.0g of gaseous X at 112.0°C changes to liquid at 112.0°C.** - Formula: \( q = 15.0 \times 695 \text{kJ/g} \) - Calculation: \( q = 10425 \text{kJ} \) - \(\Delta H = 695 \text{kJ/g}\) 3. **Determine the amount of heat necessary to convert 15.0g of solid X at 32.0°C to liquid at 32.0°C.** - Calculate using: \( q = m \cdot \Delta H_{fus} \) 4. **Determine the mass of X that can be heated from -38°C to 102°C using 4500J of heat.** - Solve for mass (m
Transcribed Image Text:**Core Heat Practice** The data below refers to an unknown substance, X. | Melting Point | Boiling Point | Heat of Fusion | Heat of Vaporization | SH Capacity (Solid) | SH (Liquid) | SH (Vapor) | |---------------|--------------|----------------|---------------------|--------------------|------------|------------| | 32.0°C | 112.0°C | 425 kJ/kg | 695 kJ/kg | 2.3 J/g°C | 5.9 J/g°C | 1.1 J/g°C | 1. **Draw a heating curve** for substance X, going from 15°C to 125°C on the axis below. Write in all formulas used to calculate heat. - **Graph Explanation:** The heating curve includes the following segments: - Segment E-F: Heating solid from 15°C to 32°C. Formula: \( q = m \cdot s_s \cdot \Delta T \) - Segment F-C: Melting at 32°C. Formula: \( q = m \cdot \Delta H_{fus} \) - Segment C-B: Heating liquid from 32°C to 112°C. Formula: \( q = m \cdot s_l \cdot \Delta T \) - Segment B-A: Boiling at 112°C. Formula: \( q = m \cdot \Delta H_{vap} \) - Segment A: Heating vapor beyond 112°C. 2. **Determine the amount of heat released when 15.0g of gaseous X at 112.0°C changes to liquid at 112.0°C.** - Formula: \( q = 15.0 \times 695 \text{kJ/g} \) - Calculation: \( q = 10425 \text{kJ} \) - \(\Delta H = 695 \text{kJ/g}\) 3. **Determine the amount of heat necessary to convert 15.0g of solid X at 32.0°C to liquid at 32.0°C.** - Calculate using: \( q = m \cdot \Delta H_{fus} \) 4. **Determine the mass of X that can be heated from -38°C to 102°C using 4500J of heat.** - Solve for mass (m
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