Chemistry Unit 6

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