Potential Energy
The study of heat changes that accompany chemical reactions and phase changes.
What is thermochemistry?
Energy of matter in motion.
What is kinetic energy?
Energy flowing from a warmer object to cooler object.
What is heat?
In a chemical change, chemical energy may be changed in other forms of energy.
How is chemical energy related to chemical change?
mass/volume
What is equation for density?
Energy stored in a substance.
What is chemical potential energy?
KE= 1/2 x mass x speed2
Heat of fusion.
What is the heat called required to melt one mole of a solid substance?
mass and height
What factors affect GPE?
H2O chemical formula.
thermal energy is kinetic
Kinetic energy is required.
What is required for motion in objects?
A candle produces heat and light energy
A candle produces what energy?
Exothermic Recieves and Endothermic releases
Your body builds up heat and energy to cause the water to evaporate.
Why do you shiver when you're cold and wet?
gravitational - type of potential
What type of potential energy is something falling to the ground?
What is an example of kinetic energy?
Varying answer
True or false, human bodies contain heat energy
True for false
Gasoline, Food
Give two examples of chemical energy.
The skier's position on the hill is full of potential energy which is then converted to kinetic energy.
How does potential energy effect skiers?
Potential energy is required when melting.
What type of energy is required for phase change from solid to liquid?
roller coaster moves
What happens when kinetic energy occurs in roller coaster?
Melting
What is it called when a solid changes into a liquid?
Joule/s
What is the SI Unit for energy?
The sweat is evaporated while allowing your body to cool
Explain how perspiration can help cool your body.