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A closed system has a fixed amount of matter, but can exchange energy with its surroundings. An isolated system there cannot be transfer of energy or matter between a system and its surroundings. An open system can freely exchange matter and energy with its surroundings.
For a closed system, only heat can be transferred in and out the system (so matter is not included). But for isolated systems, energy and matter both cannot leave or enter the system, therefore making the energy and mass fixed in an isolated system.
In a closed system, energy can be exchanged with the surroundings but not matter, the example used in class was a beaker that had been sealed, in an isolated system does not allow for heat or energy to be exchanged with the surroundings, a helpful way for me to think of it is to think of it similar to an insulated system, like a travel coffee mug or hydro flask would be insulated, not allowing any matter/energy to escape
a closed system may still exchange heat energy with its surroundings while an isolated system can't. for example, an isolated system might be insulated in order to ensure it can't exchange heat energy with its surroundings.
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