Intro To Energy Notes
What does throwing water on a fire do?
It suffocates the fire and cools the temperature.
Does energy have mass or volume?
No, it does not.
It will absorb the energy.
What are the two types of energy?
Kinetic and Potential Energy
What is heat?
Energy that is transferred from one object to another.
How will an experiment go with less activation energy?
It will go easily and quickly.
Which is larger, a calorie or a Calorie?
A Calorie is larger. 1 Calorie = 1,000 calories
What will Potential energy change into?
It will change into Kinetic energy.
In what direction will energy flow when there is a flame?
What are the three components needed for a fire?
Fuel, oxygen and temperature.
What is the Law of Conservation of Energy?
The law states that energy can not be made or destroyed.
Do two positive charged protons attract or repulse?
They will repulse.
How many joules are in a one calorie?
There are 4.184 J.
What is thermochemistry
The study of energy changes that happen during chemical reactions and changes in state.
What are molecules held by?
They are held by chemical bonds.