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If 500 J of heat is added to a system and 200 J of work is done by the system, what is the change in internal energy of the system?

Practice Questions

1 question
Q1
If 500 J of heat is added to a system and 200 J of work is done by the system, what is the change in internal energy of the system?
  1. 300 J
  2. 500 J
  3. 700 J
  4. 200 J

Questions & Step-by-step Solutions

1 item
Q
Q: If 500 J of heat is added to a system and 200 J of work is done by the system, what is the change in internal energy of the system?
Solution: According to the first law of thermodynamics, ΔU = Q - W. Here, ΔU = 500 J - 200 J = 300 J.
Steps: 0

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