Site hosted by Angelfire.com: Build your free website today!
Main Desktop Lessons Desktop Review Desktop Lab Desktop Chart Desktop Search

    

63.
Based on the phase diagram to the right, freezing point _____ and the boiling point ____ when the pressure increases.

A.   increases, increases

B.   increases, decreases

C.   decreases, increases

D.   decreases, decreases

        
At higher pressures the freezing point and boiling point both increase for this chemical.  The slope of the between the solid and liquid phases is positive.

If the line separating solids and liquids was negative, the freezing point would decrease as the pressure increased.

The line separating the liquid and gas phases is always positive.

The Correct Answer is A.