This lecture covers:
-The definition of thermal equilibrium and thermal contact
-The Zeroth Law of thermodynamics
-How heat flows from a higher temperature object to a lower temperature object until the two objects are at the same temperature
-Doing math and calculations with the thermal equilibrium rules
-Using Q = mL and Q = mcΔT in thermal equilibrium problems
![](https://i.ytimg.com/vi/p0T5GAtq7AI/mqdefault.jpg)