Table of contents

0. Math Review(0)
- Math Review
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1. Intro to Physics Units(0)
2. 1D Motion / Kinematics(0)
3. Vectors(0)
4. 2D Kinematics(0)
5. Projectile Motion(0)
6. Intro to Forces (Dynamics)(0)
7. Friction, Inclines, Systems(0)
8. Centripetal Forces & Gravitation(0)
9. Work & Energy(0)
10. Conservation of Energy(0)
11. Momentum & Impulse(0)
12. Rotational Kinematics(0)
13. Rotational Inertia & Energy(0)
14. Torque & Rotational Dynamics(0)
15. Rotational Equilibrium(0)
16. Angular Momentum(0)
17. Periodic Motion(0)
18. Waves & Sound(0)
19. Fluid Mechanics(0)
20. Heat and Temperature(0)
21. Kinetic Theory of Ideal Gases(0)
22. The First Law of Thermodynamics(0)
23. The Second Law of Thermodynamics(0)
24. Electric Force & Field; Gauss' Law(0)
25. Electric Potential(0)
26. Capacitors & Dielectrics(0)
27. Resistors & DC Circuits(0)
28. Magnetic Fields and Forces(0)
29. Sources of Magnetic Field(0)
30. Induction and Inductance(0)
31. Alternating Current(0)
32. Electromagnetic Waves(0)
33. Geometric Optics(0)
34. Wave Optics(0)
35. Special Relativity(0)

20. Heat and Temperature

Phase Diagrams, Triple Points and Critical Points

20. Heat and Temperature

Phase Diagrams, Triple Points and Critical Points: Videos & Practice Problems

Video Lessons Practice Worksheet

Phase Diagrams, Triple Points and Critical Points Practice Problems

19 problems

1PRACTICE PROBLEM

Dry ice is another name for solid carbon dioxide. Determine the minimum external pressure (p₀) required so that the melting of dry ice is observed. If p < p₀, what phase transition sequences will be observed?

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2PRACTICE PROBLEM

At a pressure of 5 atm and a temperature of -60°C, determine the phase in which carbon dioxide exists.

Phase diagram showing solid, liquid, and gas states of carbon dioxide at varying pressures and temperatures.

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3PRACTICE PROBLEM

Imagine you are in a laboratory experimenting with water. You carefully control the conditions as the temperature of the water reaches 150°C. What phase will the water be in under a pressure of 1 atm?

Phase diagram showing states of water at various temperatures and pressures, highlighting critical points.

4PRACTICE PROBLEM

At sea level, in what states can H2O exist? Refer to the phase diagram of H2O.

Phase diagram of H2O showing solid, liquid, and gas states at varying temperatures and pressures.

5PRACTICE PROBLEM

At what range of pressures and temperatures can water exist as a liquid? Refer to the phase diagram of H2O.

Phase diagram of water showing solid, liquid, vapor, triple point, and critical point.

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6PRACTICE PROBLEM

Given a phase diagram of CO2, at a temperature of -60°C and a pressure of 5 atm, what phase is CO2 in?

7PRACTICE PROBLEM

What does the fusion curve in a phase diagram represent?