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Use your book (pg 459-468)  Make three flaps on page 144 ArrheniusArrhenius Brønsted-LowryBrønsted-Lowry Lewis  How do they define acids and bases? 

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Presentation on theme: "Use your book (pg 459-468)  Make three flaps on page 144 ArrheniusArrhenius Brønsted-LowryBrønsted-Lowry Lewis  How do they define acids and bases? "— Presentation transcript:

1 Use your book (pg 459-468)  Make three flaps on page 144 ArrheniusArrhenius Brønsted-LowryBrønsted-Lowry Lewis  How do they define acids and bases?  Give an example of each  Use diagrams for representation

2 I. Introduction to Acids & Bases Ch. 15 & 16 - Acids & Bases

3 A. Properties  electrolytes  turn litmus red  sour taste  react with metals to form H 2 gas  slippery feel  turn litmus blue  bitter taste ChemASAP  vinegar, milk, soda, apples, citrus fruits  ammonia, lye, antacid, baking soda

4 B. Definitions  Arrhenius - In aqueous solution… HCl + H 2 O  H 3 O + + Cl – AcidsAcids form hydronium ions (H 3 O + ) H HHHH H Cl OO – + acid

5 B. Definitions  Arrhenius - In aqueous solution… BasesBases form hydroxide ions (OH - ) NH 3 + H 2 O  NH 4 + + OH - H H H H H H N NO O – + H H H H base

6 B. Definitions  Brønsted-Lowry HCl + H 2 O  Cl – + H 3 O + AcidsAcids are proton (H + ) donors. BasesBases are proton (H + ) acceptors. conjugate acid conjugate base baseacid

7 B. Definitions H 2 O + HNO 3  H 3 O + + NO 3 – CBCAAB

8 B. Definitions - can be an acid or a base.  Amphoteric - can be an acid or a base. NH 3 + H 2 O  NH 4 + + OH - CACBBA

9 B. Definitions F - H 2 PO 4 - H2OH2O HF H 3 PO 4 H 3 O +  Give the conjugate base for each of the following: - an acid with more than one H +  Polyprotic - an acid with more than one H +

10 B. Definitions Br - HSO 4 - CO 3 2- HBr H 2 SO 4 HCO 3 -  Give the conjugate acid for each of the following:

11 B. Definitions  Lewis AcidsAcids are electron pair acceptors. BasesBases are electron pair donors. Lewis base Lewis acid

12 C. Strength  Strong Acid/Base 100% ionized in water strong electrolyte - + HCl HNO 3 H 2 SO 4 HBr HI HClO 4 NaOH KOH Ca(OH) 2 Ba(OH) 2

13 C. Strength  Weak Acid/Base does not ionize completely weak electrolyte - + HF CH 3 COOH H 3 PO 4 H 2 CO 3 HCN NH 3


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