Consider the table. Solid Triple point Normal melting point A 0.91 atm, 124 °C 108 °C В 0.35 atm, – 17 °C 50 °C C 0.0072 atm, 88 °C 89 °C Based on the data in the table, which solids will melt under applied pressure? C A
Consider the table. Solid Triple point Normal melting point A 0.91 atm, 124 °C 108 °C В 0.35 atm, – 17 °C 50 °C C 0.0072 atm, 88 °C 89 °C Based on the data in the table, which solids will melt under applied pressure? C A
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Transcribed Image Text:### Consider the Table
The following table provides data on the triple points and normal melting points of three solids: A, B, and C.
| Solid | Triple Point (atm, °C) | Normal Melting Point (°C) |
|-------|-------------------|-----------------------------|
| A | 0.91 atm, 124 °C | 108 °C |
| B | 0.35 atm, –17 °C | 50 °C |
| C | 0.0072 atm, 88 °C | 89 °C |
### Question
Based on the data in the table, which solids will melt under applied pressure?
### Answer
- ✔️ **C**
- ❌ B
- ✔️ **A**
### Explanation
The triple point is the condition under which all three phases of a substance (solid, liquid, and gas) coexist in equilibrium. A solid will melt under applied pressure if the applied pressure exceeds the triple point pressure and the temperature is above the normal melting point. Based on the given data, solids C and A meet these conditions under the specified pressures and temperatures.
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