Question

What is the difference between an open and a closed system?

Answer 1

Open system	Closed system
1.An open system is a system that can exchange both matter and energy with its surroundings.	1.A closed system is the one which can exchange only energy with its surroundings.
2.In the open system, mass can vary with time.	2.In the closed system mass remains constant throughout the time.
3.Since mass changes in open system its volume may also vary.	3. In closed system its volume remains constant.