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Answer: An open system can exchange both matter and energy with the surroundings. Î´ H is measured when an open system is used as a calorimeter. A closed system has a fixed amount of matter, but it can exchange energy with the surroundings.
Open and closed systems in social science. Ludwig Bertalanffy describes two types of systems: open systems and closed systems. The open systems are systems that allow interactions between their internal elements and the environment. An open system is defined as a âsystem in exchange of matter with its environment, presenting import and export, building-up and breaking-down of its material components.â Closed systems, on the other hand, are held to be isolated from their environment. Equilibrium thermodynamics, for example, is a ...