chem

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Across
  1. 4. absorbs heat energy
  2. 6. forces between molecules is defined as what?
  3. 11. principle that states during a chemical reaction in an enclose space, energy is never created or destroyed
  4. 13. rapid phase change from liquid to gas throughout the entire liquid
  5. 15. what's the measure of average kinetic energy in particles
  6. 16. amount of thermal energy needed to raise 1 gram of a substance by 1°C
  7. 17. phase change from liquid to gas
  8. 18. merging of two light atomic nuclei to form a heavier one
  9. 19. transition of matter between solid, liquid, and gas
Down
  1. 1. outward push by a gas when placed in equilibrium above its liquid or solid in an enclosed space
  2. 2. phase change from liquid to gas(vapor) only from its surface
  3. 3. transfer of thermal energy is defined as what?
  4. 5. temperature system based on water's freezing and boiling point under standard atmospheric pressure
  5. 7. thermal energy absorbed or released without change in temperature
  6. 8. standard international unit of energy and heat
  7. 9. releasing heat, sound, or light energy
  8. 10. phase change from solid to liquid
  9. 12. phase change from gas to liquid
  10. 14. phase change from liquid to solid