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

     

67. Increasing the external  pressure on water has the following effect
   
A. increases the boiling point significantly and decreases the freezing point significantly.
     
Increasing the pressure on liquids always significantly increases the boiling point.

The line separating the solid and liquid phases is almost vertical, although it does have a slight negative slope for water.  Other materials can have a slight positive slope.

Increasing the pressure only decreases the freeezing point slightly.

The Correct Answer is C.

B. increases the boiling point significantly  and increases the freezing point significantly
    
C. increases the boiling point significantly and has only slightly decreases the freezing point.
    
D. has only a very small effect on the boiling point and decreases the freezing point significantly.