Particle Diagram
TEMP=KE
VOLUME & PRESSURE
P,V,T
All In
100
The vector lines drawn behind a particle indicate the particle’s ________________.
kinetic energy (speed)
100
ALL CAN ANSWER: USE WHITE BOARD
Temperature measures...
.the average kinetic energy of the particles.
100
The space that particles occupy is called their
Volume
100
Each flask contains the same number of molecules (not shown). In which flask is the pressure highest?
FLASK 1
100
EACH TEAM MEMBER TAKES A TURN: USE YOUR WHITEBOARD:
Each flask contains the same number of molecules (not shown). In which flask is the pressure lowest?
FLASK 4
200
The image shows particles at three different temperatures. Box ____ has particles at the lowest temperature.
Box C
200
The particles of two different gases at 0°C will have __________.
the same average kinetic energy
different average kinetic energies
no kinetic energy
the same average kinetic energy
200
Situation _____ has the least volume.
Situation B
BONUS: WHICH WILL HAVE THE GREATEST PRESSURE?
2. WHICH GAS LAW IS THAT?
200
For a fixed amount of a gas, the relationship between pressure and volume __________ when the temperature is held constant.
is not able to be determined
is inversely proportional
is indirectly proportional
is inversely proportional
200
EACH TEAM MEMBER TAKES A TURN: USE YOUR WHITEBOARD:
Which of the following will most likely happen to a helium–filled balloon when left in a freezer for two hours?
-The balloon will explode
-The helium atoms will slow down and move closer together
-No change will occur
The helium atoms will slow down and move closer together
300
ALL CAN ANSWER: USE WHITE BOARDS
The image shows particles of steam turning into liquid water and then ice. The correct sequence of this happening is from box ____ to box ____ and then box ____.
B,A,C
300
TRUE OR FALSE:
Molecules at higher temperatures have more kinetic energy and therefore move faster than molecules at lower temperatures.
TRUE
300
The random collisions of molecules upon a surface are the cause of the observable __________ that surface.
pressure on
300
For a fixed amount of a gas, the relationship between pressure and temperature __________ when volume is held constant.
is directly proportional
300
EACH TEAM MEMBER TAKES A TURN: USE YOUR WHITEBOARD:
A student places a balloon filled with helium gas into a freezer and thirty minutes later observes that the balloon shrank. Which statement describes why the balloon changed in size?
The number of helium atoms decreased.
The heat capacity of atoms increased.
The average kinetic energy of atoms decreased.
The average kinetic energy of atoms decreased.
400
The image shows particles with different arrangements. The particles in box ____ most likely represent an object in its liquid phase.
BOX A
400
At absolute zero, __________.
particle motion increases
particle motion stops
particles disappear
particle motion stops
400
ALL CAN ANSWER: USE WHITE BOARDS
During an experiment, a gas in a sealed bottle is being slowly heated.
Which statement about this gas will be true?
The amount of gas in the bottle is decreasing.
The volume of the gas is increasing.
The pressure inside the bottle is increasing.
The pressure inside the bottle is increasing.
400
For a fixed amount of a gas, the relationship between volume and temperature __________ when the pressure is held constant.
is directly proportional
400
EACH TEAM MEMBER TAKES A TURN: USE YOUR WHITEBOARD:
Pressure is created by...
the diffusion of two or more gases.
the random motion of molecules and their collisions with a container or a surface.
the random motion of molecules and their collisions with a container or a surface.
500
The image shows particles at three different temperatures. Box ____ has particles at the highest temperature.
BOX B
500
Which particle diagram most realistically depicts the change from a high temperature to a low temperature?
Situation B
500
A metal tank containing hydrogen gas has a pressure gauge that reads 575 psi. What is causing the pressure inside of the tank?
The phase change of hydrogen gas into a liquid.
Chemical reactions between the hydrogen molecules.
The hydrogen molecules colliding with the sides of the metal tank.
The hydrogen molecules colliding with the sides of the metal tank.
500
Students put a balloon on top of a bottle of water. The students placed the bottle in a container of very hot water and the balloon began to expand, as shown.
Why did the balloon expand?
The gas in the bottle expanded as it became warmer.
500
EACH TEAM MEMBER TAKES A TURN: USE YOUR WHITEBOARD:
Which graph most accurately describes the relationship between temperature and volume?
