DIRECTION: SOLVE THE FOLLOWING PROBLEMS ON HEAT, WORK DONE, AND INTERNAL ENERGY.

1. A 200 J of energy is added to a system that does 100 J of work. By how much will the internal energy of the system be raised?

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Final Answer:

2. When 5000 J of heat is added to an engine, the engine does 1000 J of work. What is the change in the internal energy of the system?

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Solution:
Final Answer:

3. If 2000 J of heat entered an engine that does not apply external work, by how much will its internal energy be raised?

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Solution:
Final Answer:

4. A 1500 J of energy is added to a system that does 500 j of work. By how much will the internal energy of the system be raised?

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Find:
Solution:
Final Answer:

5. A 300 J of heat entered an engine but does not apply external work. What is the change in the internal energy of the system?

Given:
Find:
Solution:
Final Answer:​