Energy Notes 1
Define "Potential Energy"
What is:
stored energy
Define "Power"
What is:
The rate of energy flow
Potential energy is transformed into kinetic energy when..
What is:
when it goes from stored energy to energy in motion
3 components that must be present for a fire to burn are..
What are:
Heat, oxygen, and a fuel source
Energy does not have..
(hint: there's two)
What are:
mass and volume
Endothermic reactions _______ heat
What is:
absorb
Define "Kinetic Energy"
What is:
energy in motion
Gasoline is stored..
What is:
chemical potential energy
Exothermic reactions ________ heat
release
Health devices (ex. apple watches) express energy in..
What are:
dietary Calories
Define "Thermochemistry"
What is:
The study of energy changes that happen during chemical reactions and changes in state.
Reactions with low activation energies..
What is:
happen easily and quickly
1 Joule defined in Mechanical Energy
What is:
1 J = 1 kg . m2/s2
The Law of Conservation of Energy is..
What is:
When energy is transferred or transformed from one system or another in any chemical or physical process, all the energy can always be accounted for.
Reactions with high activation energies..
What is:
happen hard and slow