Physics Chapter 10

Front 1

____ is a measure of the average kinetic energy of the particles in a substance

Back 1

Temperature

Front 2

Adding or removing ___ usually changes the temperature

Back 2

energy

Front 3

Temperature at the atomic level can be understoof in terms of the ___,___, and ___ energies

Back 3

translational, rotational, and vibrational

Front 4

The ____ is the energy of a substance due to the random motion of its component particles and equal to the total energy of those particles

Back 4

Internal energy (U)

Front 5

____ is the state in which two bodies in physical constact with eachother have identical temperatures

Back 5

Thermal equillibrium

Front 6

___ is the phenomenon of matter expanding as temperature increases

Back 6

Thermal expansion

Front 7

___ is the energy transferred between objects because of a difference in their temperatures

Back 7

heat

Front 8

Energy is transferred from an object at ___ temperature to an object at ___ temperature

Back 8

Higher;Lower

Front 9

When changes in internal energy are considered, the total energy is a ___.

Back 9

Univerally conserved property

Front 10

___ is the quantity of energy needed to raise the temperature of 1kg of a substance by 1 degree Celcius at constant pressure

Back 10

Specific Heat

Front 11

Energy gained by a substance is considered a ___.

Back 11

Positice quantity

Front 12

Energy released by a substance is considered a ___.

Back 12

Negative quantity

Front 13

When a substance melts, freezes, boils, condenses, or sublimes, the energy added or removed changes the ___ of the substance without changing its ___.

Back 13

Internal energy; temperature

Front 14

Heat is redifinied as either energy that is exchanged between two objects at different temperature, or between two objects at the same temperature when one of them is undergoing a ___.

Back 14

Phase Change

Front 15

___ is the energy per unit mass transferred in orger to change a substance from solid to liquid or from liquid to solid at constant temperature and pressure

Back 15

Heat of fusion

Front 16

When a substance melts, energy is used to ___ and is not available to increase the molecules' kinetic energy, so no increase in temperature occurs

Back 16

rearrange the molecules

Front 17

___ is the energy per unit mass transferred in order to change a substance from liquid to vapor or vapor to liquid at constant temperature and pressure

Back 17

Heat of vaporization

Front 18

When a substance evaporates, energy is used to ___ and is not available to increase the molecules' kinetic energy, so no increase in temperature occurs

Back 18

overcome the attractive forces of the liquid molecues

Front 19

Heat of fusion is ___ than the heat of vaporization

Back 19

Less

Front 20

Both heat of fusion and vaporization are classified as ___.

Back 20

Latent heat

Front 21

___ is the energy per unit mass that is transferred during a phase change

Back 21

Latent Heat