Chapter 13, Problem 64P

To determine

To Calculate:The pressure of the water when it boils at temperature $90°\text{C}$ .

Explanation of Solution

Introduction:

Saturated vapor pressure is pressure exerted by the vapor in thermodynamic equilibrium at a given temperature in a closed system. Liquid evaporation rate is represented by the vapor pressure of the molecule.

Water boils at $90°\text{C}$ . The moleculesof the waterget kinetic energy and gets energy after getting the kinetic energy the molecules start vibrating. At this boiling temperature, the saturated vapor pressure becomes equal to the external vapor pressure. The pressure corresponding to the temperature is $526\text{torr}\text{or}7.01\times {10}^4\text{Pa}$ .

Conclusion:

The pressure of the water when it boils at temperature $90°\text{C}$ is $526\text{torr}\text{or}7.01\times {10}^4\text{Pa}$ .