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A large fraction of the thermal energy generated in the engine of a car is rejected to the air by the radiator through the circulating water. Should the radiator be analyzed as a closed system or an open
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A large fraction of the thermal energy generated in the engine of a car is rejected to the air by the radiator through the circulating water. Should the radiator be analyzed as a closed system or an open system?

User Adrian Krebs
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Open system because there is mass (water) flowing through the system of interest (radiator)
User DarkMantis
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