Author Question: What is the temperature at which the vapor pressure of a liquid equals the pressure exerted on the ... (Read 125 times)

serike · **on:** Jul 16, 2018

What is the temperature at which the vapor pressure of a liquid equals the pressure exerted on the liquid by the surrounding atmosphere?

a. Boiling point
b. Dew point
c. Triple point
d. Melting point

Question 2

Which of the following is/are good clinical example(s) of the principle of capillary action? 1. Capillary stick blood samples 2. Absorbent humidifier wicks 3. Certain surgical dressings

a. 1, 2, and 3
b. 1 and 2 only
c. 2 and 3 only
d. 2 only

brittanywood · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: A
The boiling point of a liquid is the temperature at which its vapor pressure equals atmospheric pressure.

Answer to Question 2

ANS: A
Capillary action is the basis for blood samples obtained by use of a capillary tube. The absorbent wicks used in some gas humidifiers are also an application of this principle, as are certain types of surgical dressings.