Which of the following are true about molecular water vapor? 1. Water vapor exhibits kinetic activity. 2. Molecular water vapor can be seen. 3. Water vapor exerts pressure
a. 1 and 2 only
b. 2 and 3 only
c. 1, 2, and 3
d. 1 and 3 only
ANS: D
To be distinguished from visible particulate water, such as mist or fog, this invisible gaseous form of water is called molecular water. Molecular water obeys the same physical principles as other gases and therefore exerts a pressure called water vapor pressure.
You might also like to view...
What does the outcome of delivery code identify?
A) whether the children born are live born or stillborn B) the number of children born C) the number of children born and whether the children are live born or stillborn D) the fetal presentation
Muscles that move the wrist, hand, and fingers include all of the following, EXCEPT ________.
A. palmaris longus B. flexor digitorum profundus C. brachioradialis D. extensor carpi radialis longus and brevis