HC: Kinetics

19 flashcards · Other · by Logan Pollack

  1. P.E. of Reactants definition

    Amount of energy the reactants contain.

  2. Activation Energy definition

    Amount of energy needed to start a reaction.

  3. Activated Complex definition

    Maximum amount of energy the reaction can contain.

  4. P.E. of Products definition

    Potential Energy of the products.

  5. Catalyst definition

    Speeds up a reaction in both directions

  6. ΔH or Enthalpy

    Change of Heat between the Products and Reactants. **[Products] – [Reactants]**

  7. KMT

    All particles of matter are in constant random motion

  8. Collision Theory

    Collisions must occur Frequently and Effectively: when there is enough energy and the right orientation

  9. Le Chatelier’s Principle

    Any rxn in a (Closed system) when stressed has the ability to correct itself.

  10. ΔH for a given reaction. This change in heat is the temperature change from the beginning of a reaction

  11. The way in which we can measure how much energy is absorbed or released is by using a calorimeter

  12. Factors that Affect Reaction Rates Increase Temperature Agitate Increase Surface Area Increase Pressure Nature of Reactants Catalyst

  13. Reaction mechanisms are usually analyzed by creating Potential Energy Diagrams.

  14. At Equilibrium: 1. Reaction rates are equal 2. [Concentrations] are Constant 3. Catalyst have no net effect

    Word Bank: constant equal effect

  15. Pressure (gas only) number of moles determines shift ↑ Pressure or ↓ volume: ↓ Pressure or ↑ volume:

    The reaction shifts to the smaller side 2. The reaction shifts to the bigger side

  16. [Concentration] or Heat When Adding: When Removing:

    The reaction shifts opposite. The reaction shifts to the same side.

  17. Which ever side the reaction shifts too, the concentrations increase.

    Answer choices. Type the correct word: Increase, Decrease

  18. A: PE of Reactants B: Activated Complex C: Activation Energy D: Heat of Reaction E: PE of Products

    Word Bank: PE of Reactants Activation Energy PE of Products Activated Complex Heat of Reaction

  19. Chemical Kinetics studies the rate at which a chemical reaction occurs and the mechanism or steps it takes to complete it.