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3 cards from this section. Quick, good the night before a test.
What is heat transfer?
Think about temperature changes in the surrounding environment.
How does heat affect internal energy?
Recall the relationship between heat and temperature.
What happens to internal energy when heat is added to a system?
Consider heat transfer and energy states in a system.
True or False: Heat transfer is only related to temperature.
Think about other properties that can also change.
An ideal gas in a piston performs 200 J of work as it expands and loses 50 J of heat during the process. What is the change in internal energy?
Remember to apply the correct signs for heat and work.
If a reaction absorbs 500 J of heat and does 100 J of work on its surroundings, what will be the change in internal energy?
Focus on the energy changes involving absorption.
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