Thermodynamics! Flashcards
(29 cards)
What is the flow of thermal energy from one place to another?
Heat.
When thermal energy moves from the hotter to cooler object by touch, it’s called…?
Conduction
What is thermal energy carried from one place to another by fluid?
Convection.
True or False: A boiling pot of water on the stove uses convection.
False.
True or False: every gram of liquid water requiring 2,256J of thermal energy to vaporize at 100 degrees C is the heat of fusion.
False.
What is electromagnetic energy that moves through space?
Radiation.
True or False: the amount of thermal energy exchanged per gram of material during melting or freezing is the heat of fusion.
True.
True or False: the amount of thermal energy exchanged per gram of material during melting or freezing is the heat of vaporization.
False.
True or False: the relationship between between thermal energy absorbed & temperature change experienced is the specific heat capacity.
False.
The relationship between thermal energy absorbed & temperature change experienced is the heat capacity.
True.
True or False: The average kinetic energy of a substances atoms and molecules is its temperature.
True.
True or False: the Celsius scale uses absolute zero for its 0.
False.
Heat is defined as..?
The flow of thermal energy from one place to another
An objects’ heat capacity refers to..?
The relationship between thermal energy absorbed and temperature change experienced
List the 3 temperature scales.
- Fahrenheit
- Celsius
- Kelvin
Which scale has 180 degrees between the freezing & boiling points of water?
Fahrenheit
Viscosity refers to..?
The resistance of a fluids flow.
One way to measure a materials ability to conduct electricity is to measure its electrical…?
Resistance.
The theory which said heat came from an invisible fluid is called the _______ theory?
Caloric.
The _______ of a substance is directly related to the average kinetic energy of its atoms & molecules.
Temperature.
The standard unit for temperature is the ______.
Degree
Temperature is measured using a…?
Degree.
True or False: Specific heat capacity is the amount of energy that must be gained to raise the temperature of 1g of a substance 1°C.
True.
True or False: In radiation, energy is converted to thermal energy.
False.
