1.1 What is Chemistry?

http://www.ck12.org Chapter 17. Thermochemistry

18.4 References

1. Department of Energy, User:Helix84/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:First
   _law_open_system.png. Public Domain


2. CK-12 Foundation. CK-12 Foundation. CC BY-NC 3.0


3. User:Li-on/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Calorimeter.svg. Public Domain


4. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


5. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


6. Zachary Wilson. CK-12 Foundation. CC BY-NC 3.0


7. User:S Levchenkov/Ru.Wikipedia. http://commons.wikimedia.org/wiki/File:Hessov_zakon_01.jpg. Public
   Domain