7.1 Pressure Flashcards
1
Q
a gas exerts P on its
A
surroundings
2
Q
why is atmospheric pressure observed?
A
the mass of the air is being pulled toward the center of the earth by gravity
3
Q
1 standard atmosphere =
A
1 atm = 760 mmHg = 760 torr
4
Q
P =
A
force/area
5
Q
1 standard atmosphere = ?? pascals?
A
101,325 or 10^5
