is a region of constant mass and only energy is allowed to cross the boundaries

is a specified region where transfers of energy and/or mass take place

cannot transfer either energy or mass to or from the surroundings

has an enthalpy transfer across its boundaries and the mass within the system is not necessarily

An open system – McqOptions

1.	An open system
A.	is a specified region where transfers of energy and/or mass take place
B.	is a region of constant mass and only energy is allowed to cross the boundaries
C.	cannot transfer either energy or mass to or from the surroundings
D.	has an enthalpy transfer across its boundaries and the mass within the system is not necessarily
Answer» B. is a region of constant mass and only energy is allowed to cross the boundaries

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An open system

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