Across
- 2. A reaction intermediate is a compound _______ in one step and consumed in another
- 3. A very exothermic reaction may be slow because it has a ______ activation energy
- 6. Rate of reaction is expressed as ___________ over time
- 13. When __________ increases, particles move faster and with more energy ∴ speeding up the reaction rate
- 14. In a potential energy diagram, activation energy is represented by a _____
- 15. The minimum potential energy that particles have to collide with before they react
- 17. The rate of the reaction can be affected differently by each _______
- 21. The ________ mechanism determines the overall rate of the reaction
- 22. When the concentration of a reactant is doubled, and it is a 2nd order reaction, the reaction rate will _____
- 23. The slow step mechanism has the _____ order
- 25. Decreasing surface area will _______ the rate of the reaction
- 26. If particles do not collide in the correct __________ the reaction will not occur
- 27. The ________________ is a high energy state between reactants and products
- 29. A heterogeneous catalyst is where the catalyst and reactants are in _______ states
- 30. In terms of molecularity, a mechanism with 3 reacting molecules is called __________
Down
- 1. Activation energy can be determined by the______
- 4. Step-by-step sequence of elementary reactions by which an overall chemical change occurs
- 5. A reaction involving two reactant molecules is ________
- 7. Reactions often don’t occur in the __________ indicated by the chemical equation
- 8. The time required for half of a sample to decay
- 9. In the equation r=K[X]ˢ[Y]ⁿ, k represents a ________
- 10. The difference in potential energy between products and reactants is _____
- 11. A theory that states that for a reaction to occur, reactant particles must collide with sufficient energy and proper orientation
- 12. On a maxwell-boltzmann distribution graph, adding a catalyst makes the activation energy move _______
- 16. A negative sign indicates the rate of _________ of a reactant
- 18. Adding a _____ to a reaction ∴ speeds up the reaction rate
- 19. Chemical kinetics is used to determine ways to control the______ of a reaction
- 20. A reaction whose rate is independent of the concentration of the reactant(s)
- 24. the sum of the exponents in the rate law equation
- 28. 1st order reactions occur in both chemical and _____ changes
