intro to energy notes 1
how many calories are in one Calorie
1 Calorie is equal to 1,000 calories
what is heat?
energy that transfers from one object to another
Between what temperatures is water a liquid?
Water is a liquid between 0°C and 100°C
what three components must be present for burning to occur?
fuel, oxygen, and a heat source.
what degree scale does not use a degree sign.
Celsies, Kelvin, or Farenheit
Kelvin
Is energy released or gained during combustion?
Energy is released.
what is chemical potential energy
it is energy stored in chemical bonds
what happens to the vibrations of the atoms when transferring energy into an abject?
the atoms of the object will vibrate more causing the object to heat up.
What are the two kinds of reactions?
The two kinds of reactions are endothermic and exothermic.
whats the difference between potential and kinetic energy?
Potential energy is the energy stored and kinetic energy is the energy of movement.
What is the Law of Conservation of Energy?
Energy is neither created nor destroyed.
what type of attractions do protons, neutrons, and electrons have?
protons= positive attractions, neutrons are neutral, and electrons are negative.
How much does one calorie of heat raise the temperature of pure water? (in Celsius)
One calorie of heat raises the temperature of pure water by 1 degree Celsius.
What is Gasoline stored as? (specific)
Gasoline is stored as chemical potential energy.
What are molecules held together by?
Molecules are held together by chemical bonds.