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What is the change in internal energy of a system if 500 J of work is done on it and 200 J of heat is lost? (2023)

Practice Questions

1 question
Q1
What is the change in internal energy of a system if 500 J of work is done on it and 200 J of heat is lost? (2023)
  1. 300 J
  2. 500 J
  3. 700 J
  4. 900 J

Questions & Step-by-step Solutions

1 item
Q
Q: What is the change in internal energy of a system if 500 J of work is done on it and 200 J of heat is lost? (2023)
Solution: Change in internal energy (ΔU) = Q - W = -200 J - 500 J = -300 J.
Steps: 0

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