3,000 J of heat is added to a system and 2,500 J of work is done by the system. What is the change in internal energy of the system in joules?

darcybabe98ub

darcybabe98ub

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2022-08-16

3,000 J of heat is added to a system and 2,500 J of work is done by the system. What is the change in internal energy of the system in joules?

Answer & Explanation

Franco Hickman

Franco Hickman

Beginner2022-08-17Added 11 answers

Given:
The heat added to the system is 3000 J.
The work done by system is 2500 J.
Calculation:
Since the heat is added to the system is q will be +3000 J and work is done by the system so W will be -2500 J.
Substitute the values.
U = ( + 3000   J ) + ( 2500   J ) = 500   J
Thus, the internal energy change for the system is 500 J.

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