Which transformation requires the larger number of calories? the condensation of 1 gram of steam at 100 degrees Celsius to water at 100 degrees. the solidification of 1 gram of water at 100 degrees Celsius to 1 gram of ice at 0 degrees Celsius. Both transformations require the same number of calories.
Which transformation requires the larger number of calories? the condensation of 1 gram of steam at 100 degrees Celsius to water at 100 degrees. the solidification of 1 gram of water at 100 degrees Celsius to 1 gram of ice at 0 degrees Celsius. Both transformations require the same number of calories.
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Chapter1: Units, Trigonometry. And Vectors
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![### Question for Students: Comparing Energy Requirements in Phase Changes
#### Which transformation requires the larger number of calories?
- ☐ The condensation of 1 gram of steam at 100 degrees Celsius to water at 100 degrees.
- ☐ The solidification of 1 gram of water at 100 degrees Celsius to 1 gram of ice at 0 degrees Celsius.
- ☐ Both transformations require the same number of calories.
---
**Explanation:**
This question asks students to consider the energy requirements for different phase changes of water:
1. **Condensation**: This is the process where water vapour (steam) turns into liquid water. It typically occurs at 100 degrees Celsius for 1 gram of water.
2. **Solidification**: This is the process where liquid water turns into solid ice. For this, water cools from 100 degrees Celsius to 0 degrees Celsius, and then freezes.
**To Consider**:
- The heat of condensation (latent heat of vaporization) is the energy released when 1 gram of steam condenses at 100 degrees Celsius.
- The heat of solidification (latent heat of fusion) is the amount of heat released when 1 gram of water turns into ice at 0 degrees Celsius.
Understanding which phase change requires more energy involves understanding these latent heats.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe8025333-2198-4fd3-bdd9-62e65b03c02c%2Fe58369bb-1841-414b-9e6b-41e54010e202%2Fxty081a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Question for Students: Comparing Energy Requirements in Phase Changes
#### Which transformation requires the larger number of calories?
- ☐ The condensation of 1 gram of steam at 100 degrees Celsius to water at 100 degrees.
- ☐ The solidification of 1 gram of water at 100 degrees Celsius to 1 gram of ice at 0 degrees Celsius.
- ☐ Both transformations require the same number of calories.
---
**Explanation:**
This question asks students to consider the energy requirements for different phase changes of water:
1. **Condensation**: This is the process where water vapour (steam) turns into liquid water. It typically occurs at 100 degrees Celsius for 1 gram of water.
2. **Solidification**: This is the process where liquid water turns into solid ice. For this, water cools from 100 degrees Celsius to 0 degrees Celsius, and then freezes.
**To Consider**:
- The heat of condensation (latent heat of vaporization) is the energy released when 1 gram of steam condenses at 100 degrees Celsius.
- The heat of solidification (latent heat of fusion) is the amount of heat released when 1 gram of water turns into ice at 0 degrees Celsius.
Understanding which phase change requires more energy involves understanding these latent heats.
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