Lesson 12: Law of Thermdynamics Flashcards
(5 cards)
1
Q
Open System
A
Energy transfer
- Exchanges both matter and energy with its surroundings
Ex. Earth and the universe
2
Q
Closed System
A
Energy transfer
- Cannot ext change matter but can exchange energy with its surroundings
Ex. Can of soup
3
Q
Isolated System
A
- cannot ext change matter of energy with surroundings
4
Q
First Law of Thermodynamics
A
- Total energy including heat in a system and its surrdoings remains constant
5
Q
Second Law of Thermodynamics
A
- Heat flows naturally from a hot to a cold object but never naturally from a cold to a hot object