Question

A system has internal energy equal to e1,450j of heat is taken out of it and 6000j of work is done on it. Then the final energy

Answer 1

Here, heat taken out means negative q

And work done on the system is positive

U = w+q

U=6000-1450

U=4550J

Answer 2

Answer:

-7450

Explanation:

Actually here we use first law of thermodynamics

= E2 - E1

= -1450 -(6000)

= -7450

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