Energy Flow

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Across
  1. 2. force applied over a distance
  2. 4. a whole number in front of a chemical formula in a balanced equation that indicates the number of atoms or molecules
  3. 8. a system in which neither matter or energy is exchanged with the surroundings
  4. 9. the minimum energy colliding particles must have in order to react
  5. 10. a rotary mechnical device that extracts energy from a flowing fluid and converts it into useful work
  6. 11. a chemical reaction that absorbs heat from the surroundings
  7. 12. a system in which matter is conserved, but energy is exhanged with the surroundings
Down
  1. 1. their is not sufficient oxygen to completely breakdown propane therefore water, carbon dioxide, carbon monoxide, and energy are produced
  2. 3. a system in which energy and matter are exchanged freely with the surroundings
  3. 5. a chemical reaction that releases heat to the surroundings
  4. 6. their is sufficient oxygen to completely breakdown propane to produce water, carbon dioxide, and energy
  5. 7. shows the number of atoms in a compound