Pressure in liquids and ideal gases

Question 1

p

Answer 1

hρg

Question 2

Molecules in a gas have a random motion and do what?

Answer 2

Exert a force and hence a pressure on the walls of a container

Question 3

Pressure in a gas or liquid which is not moving does what?

Answer 3

Acts equally in all directions

Question 4

Absolute zero

Answer 4

• -273 degrees Celsius
• the temperature below which it is not possible to cool a gas further

Question 5

Degrees Kelvin

Answer 5

degrees Celsius + 273

Question 6

Degrees Kelvin

Answer 6

k*E(kinetic)

Question 7

P(1)*V(1)/T(1)

Answer 7

P(2)*V(2)/T(2)