Phase Change Points on a Phase Diagram

What is a critical point on a phase diagram?

Which curve on a phase diagram represents the transition between gaseous and solid states?

What occurs at the triple point on a phase diagram?

Which process involves skipping over the liquid state completely during a phase change?

On a phase diagram, what does the fusion curve represent?

Which point on a phase diagram signifies the substance being indistinguishable between solid and liquid states?

Which phase change point on the diagram represents the combination of pressure and temperature that facilitates all phases of matter at equilibrium?

The green line on the diagram divides which two phases?

What is the melting point of copper in °C?

Which phase change does the blue line on the diagram represent?

Which substance has the highest boiling point?

What does the red line on the diagram represent?

When water is boiling at 100°C, what phase change is occurring?

At which phase change point does the critical point terminate the liquid/gas phase line?

At its triple point, a substance can exist in how many phases simultaneously?

For which substances do the temperature and pressure related to the triple point typically lie below standard temperature and pressure?

What is the energy required to melt ice completely, in kJ/kg?

During sublimation, a substance changes directly from solid to gas. What is the reverse process called?