Based on the figure above, the boiling point of water under an external pressure of 0.316 is
A) 50
B) 30
C) 80
D) 70
E) 40

Question

Based on the figure above, the boiling point of water under an external pressure of 0.316  is 
A) 50 
B) 30 
C) 80 
D) 70 
E) 40

Quizplus · Accepted Answer

According to the phase diagram, the point where the line separating liquid and vapor phases intersects with the given pressure of 0.316 is at approximately 70 degrees Celsius. Therefore, the boiling point of water under this pressure is 70 degrees Celsius, which corresponds to choice D.

Based on the Figure Above, the Boiling Point of Water