Chemical Enginnering Puzzle

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Across
  1. 3. Chemical element used as a catalyst in the production of ammonia (Fe)
  2. 5. Unit of energy often used in thermodynamics and chemical engineering
  3. 8. Substance that decreases the rate of a chemical reaction
  4. 12. Unit of pressure used in chemical engineering (abbr.)
  5. 14. Famous French chemist known for his contributions to chemical thermodynamics (Josiah Willard Gibbs)
  6. 17. A substance that increases the rate of a chemical reaction without being consumed in the process
  7. 18. Initialism for a process that involves the separation of components based on their boiling points
  8. 21. The study of heat transfer and its applications
  9. 24. Material that increases the rate of a chemical reaction
  10. 25. The process of converting raw materials into products of higher value
  11. 27. The force per unit area exerted by a fluid against a surface
  12. 30. The movement of molecules or atoms from a region of high concentration to a region of low concentration
  13. 31. The study of the interaction between light and matter
  14. 33. Chemical element used in the production of steel (Fe)
  15. 34. Substance added to a reaction to speed up the process without being consumed
  16. 36. Instrument used to measure the concentration of a substance in a solution
  17. 37. Chemical symbol for a noble gas used in welding (Ar)
  18. 38. Device used to measure the pressure of gases or liquids
  19. 39. The chemical process of breaking down complex compounds into simpler ones
  20. 40. The process of extracting valuable metals from their ores
Down
  1. 1. The process of converting one form of energy into another form
  2. 2. Initialism for the principle that states energy cannot be created or destroyed
  3. 4. The study of the flow of fluids
  4. 6. Type of reactor used to carry out a reaction in a continuous flow (CSTR)
  5. 7. The study of the properties and behavior of gases
  6. 9. The point at which a chemical reaction becomes self-sustaining and generates enough heat to continue without an external heat source
  7. 10. A device used to measure the flow rate of a fluid passing through it
  8. 11. Initialism for a process used to separate mixtures based on differences in boiling points
  9. 13. Famous German chemist known for his work on thermodynamics (Rudolf Clausius)
  10. 15. Equation describing the relationship between a fluid's pressure, velocity, and elevation
  11. 16. Type of reactor commonly used in the production of ammonia
  12. 19. Type of reaction where heat is absorbed from the surroundings
  13. 20. Material that can be shaped or molded under heat and pressure
  14. 22. The study of the movement of fluids and the forces acting on them
  15. 23. A type of reactor where the reaction occurs in a fixed bed of catalyst
  16. 26. The study of the electrical properties of solutions
  17. 28. Measure of disorder or randomness in a system
  18. 29. Measurement unit for viscosity
  19. 32. The branch of chemistry dealing with the rates of chemical reactions
  20. 35. The study of the composition, structure, properties, and change of matter