DEuniverse = DEsystem + DEsurroundings = 0
Units of Energy
joule (J)
calorie (cal)
British Thermal Unit
1 cal = 4.184 J
1 J = 1 kg m2/s2
1 Btu = 1055 J
Law of Conservation of Energy
(First Law of Thermodynamics)
| Previous slide | Next slide | Back to first slide | View graphic version |