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10-02-2020
Physics

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What are the change in internal energy if 250 j of hear is added to a system of 80 j of work is done by the system

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10-02-2020

Answer:

Explanation:

dU= dq+w

dU is change in internal energy of the system

dq is the amount heat added or released by the system which be positive or negative respectivelý

And w is the amount of work done by the system or on the system which will be positive or negative respectively.

Hence,

dU= 250+80= 330 J

The change will be positive

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