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Q.

A system does 200J of work and at the same time absorbs 150J of heat. The magnitude of the change in internal energy is ________J.

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Detailed Solution

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q   = 150 Joules
w   = -200 Joules
 E = q+w (first law themo dynamics)
E = 150+ (-200)
E = - 50 Joules 
 

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A system does 200J of work and at the same time absorbs 150J of heat. The magnitude of the change in internal energy is ________J.