Across
- 4. Energy needed to raise 1 gram of H2O by one Celsius
- 10. Freezing, condensation, and deposition
- 12. Law using enthalpies of formation to find enthalpy of reaction
- 14. SI unit of energy
- 15. The ___ Law of TD: energy cannot be created or destroyed
- 16. Energy for raising the temp of one gram by one Celsius
- 17. Energy for raising the temp of one mole by one Celsius
- 18. Energy stored in bonds
- 20. Ability to produce heat/do work
- 22. These compounds have large negative enthalpies of formation
- 25. When two substance are at the same temperature
- 26. Atom and molecule energies contained within a system
- 27. Every reaction requires bonds to be ___
Down
- 1. Temperature is ___ during phase changes
- 2. Overall enthalpy change equals individual changes
- 3. (Pressure)*(Change in volume) OR (Force)*(Displacement)
- 5. Heat content of a system
- 6. Enthalpy of formation for an element in its standard state
- 7. When a substance is ___, use the heat of vaporization
- 8. Internal energy, pressure, and volume are state ___
- 9. Sloping segments in a heating curve indicate a ___ temp
- 11. Device used to measure heat content
- 13. An exothermic reaction releases energy into the ___
- 19. There is only ___ and an absence of ___
- 21. If "q" is positive and heat is added, the system is ___
- 23. Heat flows to the part of the system with ___ heat
- 24. Enthalpy of ___ equals the products minus the reactants