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LECTURE PRESENTATIONS For CAMPBELL BIOLOGY, NINTH EDITION Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson © 2011 Pearson Education, Inc. Lectures by Erin Barley Kathleen Fitzpatrick Acid Base Chemistry Chapter 3
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Acids and Bases Acid –Increases the H + concentration of a solution Base –Reduces the H + concentration of a solution © 2011 Pearson Education, Inc.
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Figure 3.10 pH Scale Battery acid Gastric juice, lemon juice Vinegar, wine, cola Beer Tomato juice Black coffee Rainwater Urine Saliva Pure water Human blood, tears Seawater Inside of small intestine Milk of magnesia Household ammonia Household bleach Oven cleaner Basic solution Neutral solution Acidic solution 0 1 2 3 4 5 6 7 8 9 10 Neutral [H + ] = [OH ] Increasingly Basic [H + ] < [OH ] Increasingly Acidic [H + ] > [OH ] H+H+ H+H+ H+H+ H+H+ H+H+ H+H+ H+H+ H+H+ OH H+H+ H+H+ H+H+ H+H+ H+H+ H+H+ H+H+ 11 12 13 14
![Figure 3.10 pH Scale Battery acid Gastric juice, lemon juice Vinegar, wine, cola Beer Tomato juice Black coffee Rainwater Urine Saliva Pure water Human blood, tears Seawater Inside of small intestine Milk of magnesia Household ammonia Household bleach Oven cleaner Basic solution Neutral solution Acidic solution Neutral [H + ] = [OH ] Increasingly Basic [H + ] < [OH ] Increasingly Acidic [H + ] > [OH ] H+H+ H+H+ H+H+ H+H+ H+H+ H+H+ H+H+ H+H+ OH H+H+ H+H+ H+H+ H+H+ H+H+ H+H+ H+H](http://images.slideplayer.com/36/10556614/slides/slide_3.jpg "Figure 3.10 pH Scale Battery acid Gastric juice, lemon juice Vinegar, wine, cola Beer Tomato juice Black coffee Rainwater Urine Saliva Pure water Human blood, tears Seawater Inside of small intestine Milk of magnesia Household ammonia Household bleach Oven cleaner Basic solution Neutral solution Acidic solution Neutral [H + ] = [OH ] Increasingly Basic [H + ] < [OH ] Increasingly Acidic [H + ] > [OH ] H+H+ H+H+ H+H+ H+H+ H+H+ H+H+ H+H+ H+H+ OH H+H+ H+H+ H+H+ H+H+ H+H+ H+H+ H+H")
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Buffers © 2011 Pearson Education, Inc.
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Figure 3.11 CO 2 CO 2 + H 2 OH 2 CO 3 H + + HCO 3 H + + CO 3 2 HCO 3 CaCO 3 CO 3 2 + Ca 2+ H 2 CO 3
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Figure 3.12 (a)(b)(c)
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© 2011 Pearson Education, Inc.
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![The pH Scale. pH Scale We use this scale to measure the strength of an acid or base. pH is defined as the –log[H+] pH can use the concentration of hydronium.](/33/8176214/big_thumb.jpg "The pH Scale. pH Scale We use this scale to measure the strength of an acid or base. pH is defined as the –log[H+] pH can use the concentration of hydronium.>")
