Citation:
In chemistry, a system refers to a specific portion of matter that is being studied or observed. It can be as small as an individual molecule or as large as an entire container of gas.
A type of system that allows for the exchange of energy with its surroundings but not matter.
A type of system that allows for both the exchange of energy and matter with its surroundings.
A type of system that does not allow for any exchange of energy or matter with its surroundings.