Chem 30 Notes

Oct 18-Lewis Acids, Weak vs Strong Acids and Bases and Conj Acid Base Pairs

Outcome: Observe and analyze phenomena related to acid-base reactions and equilibrium. [SI, DM] 

Indicators:

a. Identify examples of acids and bases

b. Discuss the historical development and limitations of theories, including Arrhenius, Brønsted‐Lowry and Lewis, which explain the behaviour of acids and bases. (STSE, K)

c. Identify conjugate acids and bases formed in acid‐base reactions using Brønsted‐Lowry theory, including substances which are amphiprotic (amphoteric). (S, K)

d. Differentiate between strength (strong versus weak) and concentration (concentrated versus dilute) when referring to acids and bases. (S)

Documents: lesson 1 2017 ppt: lesson 1 2017  lesson 2 2017 ppt: lesson 2 2017

Overview:

 

Today we finished up looking at lewis acids and bases. We also discussed the difference between strong and weak acids and bases in terms of properties and chemical formula. We went over some examples of how to write Brønsted‐Lowry equations for salts of weak acids and weak bases and identified conjugate acid base pairs.   

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