P1 Flashcards
1
Q
What is internal energy?
A
The total energy stored by the particles making up a substance or system
2
Q
What are the types of energy transfers?
A
Mechanically
Electrically
Radiation
3
Q
What is an open system?
A
Can lose or gain energy as it interacts with the outside world
4
Q
What are the two types of internal energy?
A
Potential energy stores
Kinetic energy stores
5
Q
What is a closed system?
A
No matter or energy can be exchanged with the outside world
6
Q
What is specific heat capacity?
A
The amount of energy needed to raise the temperature of 1kg of a substance by 1degree c
7
Q
What is the formula that includes specfic heat capacity?
A
Change in thermal energy=mass*specific heat capacity *temperature change *
