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In a process where 300 J of heat is added to a system and the system does 100 J of work, what is the change in internal energy?

Practice Questions

1 question
Q1
In a process where 300 J of heat is added to a system and the system does 100 J of work, what is the change in internal energy?
  1. 200 J
  2. 100 J
  3. 300 J
  4. 400 J

Questions & Step-by-step Solutions

1 item
Q
Q: In a process where 300 J of heat is added to a system and the system does 100 J of work, what is the change in internal energy?
Solution: Using the first law of thermodynamics, ΔU = Q - W = 300 J - 100 J = 200 J.
Steps: 0

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