Below is the phase diagram for sulfur. Which phase is present at 100°C and 1 atm?

liquid-vapor boundary line

Below is the phase diagram for sulfur. Which phase has the highest density at 119°C?

liquid-vapor boundary line

Below is a representation of the unit cell for nickel(II) oxide. How many O^2– anions are there in the unit cell?

Point B represents the critical temperature and pressure for the substance.

Based on the phase diagram of a pure substance given below, which statement is true?

The solid phase has a lower density than the liquid phase.

The triple point is at a higher temperature than the normal melting point.

The substance changes from a solid to a liquid as one follows the line from C to D.

The substance changes from a liquid to a gas as one follows the line from C to D.

Point B represents the critical temperature and pressure for the substance.

Based on the phase diagram of a pure substance given below, what phase exists at point F?