P6.4 Internal energy Flashcards
1
Q
What is the internal energy?
A
This is the energy of the particles that is caused by their individual motion and positions
2
Q
What is internal energy equal to?
A
Kinetic energy + potential energy
3
Q
How are solids arranged in a 3-d structure?
A
Strong forces of attraction between these particles - forces bond the particles in fixe position
4
Q
What is the pressure of a gas on a solid surface caused by?
A
The force of impacts of the gas particles with the surface
