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Unit 13: Equilibrium
Guiding Questions:
- Can an argument be made that life is a result of complex set of chemical reactions?
- How does our body know how/when to grow? (e.g. what is homeostasis?)
What you should learn:
- All systems strive for equilibrium, a state in which there is no net change.
- Reactions occur when molecules collide with enough energy and in the right orientation so the more likely a collision, the more likely a reaction will take place.
More Specifically...:
- Reaction Rates
- Describe the steps involved in a chemical reaction: reaction mechanism
- Explain the concept of activation energy and activated complex
- State that catalysts are used to lower the activation energy of a reaction
- Use Collision Theory to describe how temperature, concentration, surface area, degree of randomness and catalysts affect the rate of reaction
- Interpret tabular and graphical data relating to rates
- Equilibrium
- Classify reactions as reversible or irreversible
- Give an example of dynamic equilibrium
- State that equilibria take a finite time to be achieved
- Use LeChâtelier's Principle to predict the effect of a change in the number of moles, volume, or temperature upon the position of an equilibrium
- Use Le Chatelier's principle to recommend methods to increase the yield of a reaction
- State that equilibrium is reached when the rate of the forward reaction equals the rate of the reverse reaction
- Write equilibrium constants (Keq) for a chemical reaction
Lecture Notes:
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