Heat energy always transfers from the ______ substance to the ________ substance.
hot, cold
melting, boiling
Exothermic means:
Releasing Heat
Name any type of energy and use a real life example of it occurring.
Answers may vary.
Wood
What two phase changes occur in a cooling curve?
condensation, freezing
Endothermic means:
Absorbing heat
Name 2 types of energy that haven't been discussed yet an give an example of each.
Answers may vary
Copper has a specific heat capacity of 0.385 J/g°C. Iron has a specific heat capacity of 0.45 J/g°C. Lead has a specific heat capacity of 0.129 J/g°C. Which metal's temperature is the easiest to change?
Lead
What is it called when two or more phases of matter are present at the same time?
equilibrium
Average Kinetic energy
Name 3 types of energy that occur in a battery powered flashlight
Convert 25°C to °F
77°F
1 phase - solid, liquid, or gas
Energy being transferred from one substance to another cooler substance
Heat
What are the two variables that impact a phase change on a phase diagram
Temperature & Pressure
Convert 32°F to Kelvin
273.15 K
What type of energy is increasing or decreasing during a phase change?
Potential energy
How much heat is needed to change the temperature of a substance
Specific Heat Capacity
Name all 6 phase changes
Sublimation, deposition, boiling, melting, condensation, freezing