Systems: Open, closed & isolated [Lecture] 

What is a system and system boundary?
Open system: Allows both material and energy to cross system boundary
Closed system: Only allows energy to cross the boundary
Isolated: Allows neither material nor energy to cross the boundary
--CONTENTS--
0:05 - System, surroundings and boundary
0:17 - Deciding on a boundary
0:46 - Constant volume system
0:57 - Constant mass system
1:09 - Open system
1:28 - Closed system
1:56 - Isolated system