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When heat is added to or is absorbed by a system, its internal energy increases. The amount of external work a system can do essentially refers to the amount of energy it can transfer to something else. So when internal energy increases, so does the external work done by the system.

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9y ago

Internal energy increases whenever heat is added to a system. The same applies to the external work done by the system.

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Q: What is the relationship between heat added to a system and the internal energy and external work done by the system-?
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