WorksheetsGas Pressure and Temperature (H)
Total questions: 10
Worksheet time: 7mins
If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?
The pressure will increase
The pressure will decrease
The pressure will remain constant
The pressure will equalize
Pressure is
defined as the mass that an object exerts when at rest.
not a measurable in gases.
defined as the number of moles of substance divided by the mass of the substance.
created by the force of the gas particles impacting the walls of the container.
A student inflates a balloon with helium then places it in the freezer. The student should expect
the balloon's volume to increase
the balloon's volume to decrease
the number of particles to increase
Gases __________.
have a fixed shape
are easily compressed
have particles that do not flow easily
vibrate about a fixed point
Kinetic energy =
AF
21mv2
mgh
Vm
In the graph, air pressure is on the Y axis and altitude increases to the right on the X axis. What statement below best describes the graph?
pressure increases as altitude increase
pressure decreases as altitude increases
pressure decreases as altitude decreases
atmospheric pressure is zero at sea level.
What is Brownian motion?
The random movement of particles in a liquid or gas
The colour of atoms when viewed with a microscope
The movement of solid molecules
The pressure exerted on a container
Pollen grains suspended in water exhibit Brownian motion. How does a particle undergoing Brownian motion move?
In smooth curves
Randomly
Orderly with a pattern
In straight lines with no change of direction
Which of the following does NOT describe Brownian motion?
Which of these is under greater pressure?
