Chapter 11, Problem 11.55SP

Look at the phase diagram of ${\text{H}}_{\text{2}}\text{O}$ in Figure 11.7, and tell what happens to an ${\text{H}}_{\text{2}}\text{O}$ sample when the following changes are made.
(a) The temperature is reduced from 48 °C to -4.4 °C at a constant pressure of 6.5 atm.
(b) The pressure is increased from 85 atm to 226 atm at a constant temperature of 380 °C.