JentooPhysics 2

AP® Physics 2: Algebra-Based · Unit 9 · Topic 9.5

Specific Heat and Calorimetry

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  1. How it worksHow does specific heat capacity decide how far a substance warms for a fixed energy input?
  2. Worked exampleFind the heat needed to take 250 g of aluminum from 20 C to 90 C with c = 900 J per kg per C.
  3. Worked exampleFind the final temperature when a 100 g copper block at 200 C is dropped into 400 g of water at 25 C.
  4. Common mistakeWhy isn't a substance with a big specific heat automatically holding more total energy?

Check yourself

Your turn1 of 2
Find the heat needed to raise 379 g of aluminum from 23 C to 97 C. Use c = 900 J/(kg·C).

End of topic.

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