measure of the average energy of motion of the particles of a substance
What is temperature
100
Diagrams that tell how two variables are related
What is graphs
100
A form of energy that comes from the chemical bonds within matter
What is chemical energy?
100
True or false
When you see steam, fog, or clouds, you see water in the gas state
What is true
200
means substance that flows
What is fluid
200
force of its outward push divided by the area of the walls of the container
What is pressure
200
When a graph of two variables is a straight line passing through the (0,0) point, the relationship is ______ and the variables are said to be ______
What is linear, directly proportional
200
_______ changes whenever energy is taken or added away
What is matter
200
When do changes of state occur
They occur when a substance gains or loses energy and the particles of the substance are rearranged
300
resistance of a liquid to flowing
What is viscosity
300
pressure is measured in?
What is kilopascals (kPa)
300
When values for the volume and pressure of a gas are graphed, the points fall in a downward curve. The graph shows that the pressure of a gas varies inversely with its volume.
What is Charles's law?
300
vaporization takes place inside the liquid as well as on the surface, the process is ______
What is boiling
300
Chemical changes are also called____
What is chemical reactions
400
has no definite shape, but has definite volume
What is liquid
400
when pressure of a gas is increased at constant temperature, the volume of the gas decreases. When pressure is decreased, the volume increases
What is Boyle's law
400
When a graph of two measurements forms this kind of curve, the relationship is _______ and the measurements are said to _________ with one another.
What is non-linear, vary inversely?
400
this occurs when gas loses enough thermal energy to become a liquid
What is condensation
400
What are three different properties of a gas can you measure
What is Volume, Temperature, and Pressure
500
Explain how gas particles have no definite shape or volume
Gas particles spread apart, filling all the space available to them.
500
When temperature of a gas is increased at constant pressure, its volume increases. When the temperature of a gas is decreased its volume decreases.
What is Charles's law
500
On which axis on a graph do you show the responding variable
What is the y-axis
500
this occurs when the surface particles of a solid gain enough energy to become a gas
What is sublimation
500
In a flexible container, raising the temperature of a gas increases its volume. This relationship is explained by __________