Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
13 Cards in this Set
- Front
- Back
|
PHYSICS EXAM 2 LECTURE 1: HEAT and TEMP
|
PHYSICS EXAM 2 LECTURE 1: HEAT and TEMP
|
|
|
How is temperature related to average KE?
|
Temp is the measurement of the average KE.
|
|
|
What is the triple point?
|
Point in which ice, liquid, and water vapor exist in equilibrium.
|
|
|
How do you define heat?
|
Quantity that causes an increase in Temp of a body when it is added to the body and a decrease in temp when it is removed from a body.
A form of energy. |
|
|
Specific heat
|
Amount of energy in calories required to raise the temp of one gram of a substance by one degree Celsius.
|
|
|
What is the specific heat of ice?
|
0.5 cal/gC
|
|
|
Heat of fusion of ice:
|
80 cal/g
|
|
|
Heat of vaporization of water at 100 celsius?
|
540 cal/g
|
|
|
What is the specific heat of steam?
|
0.5 cal/gC
|
|
|
Conduction
|
Principal mode of heat transfer in solids.
Involves transfer through atomic and molecular collisions. |
|
|
Convection
|
Heat transfer in liquids and gases.
Warm currents of liquid or gas are established through the difference in density. |
|
|
Radiation
|
Thermal energy is transferred by electromagnetic waves.
|
|
|
Forced convection
|
When a pump is incorporated to circulate or force water from bottom of radiator to water jacket of an engine.
|
