Chemistry

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Across
  1. 2. a devicie used to measure energy changes accompnying chemical and physical changes by observing temperature alterations
  2. 5. energy of mass resulting from its motion
  3. 6. going from a particular set of reactions to a particular set of products
  4. 9. the amount of energy required to elevate the temperature of one gram of a substance one degree Celsius
  5. 10. a property of a system equal to E+PV
  6. 11. threshold energy that must be overcome to produce a chemical reaction
  7. 12. the energy required to vaporize one mole of a liquid at a pressure of one atmosphere
Down
  1. 1. a plot of temperature versus time for a substance where energy is added at a constant rate
  2. 3. refers to a reaction where energy flows out the system
  3. 4. change in enthalpy of a chemical reaction that occurs at a constant pressure
  4. 7. energy due to position or composition
  5. 8. the enthalpy change that occurs to melt a solid at its melting point
  6. 13. refers to a reaction where energy flows into the system
  7. 14. The measure, on any of several scales, of the average kinetic energy of the molecules in a sample of material