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auth-3.php - Zumdahl Chapter 14 ACIDS AND BASES Arrhenius...

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ACIDS AND BASES Zumdahl Chapter 14
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Arrhenius Concept y Acid – produce H + ions in aqueous solutions y Base – produce OH - ions in aqueous solutions Svante Arrhenius 1859 – 1927 Swedish Chemist Noble Prize 1903
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Bronsted – Lowry Definition y Acid – a proton, H + , donor y Base – a proton, H + , acceptor Johannes Bronsted 1879 – 1947 Danish Chemist Thomas Lowry 1874 – 1936 English Chemist
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Acid Dissociation y Conjugate acid – the species formed when a proton is added to a base y Conjugate base – the species formed when a proton is removed from an acid y Hydronium ion –(H 3 O + ) how H + ions actually exist in water
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Acid Dissociation y When an acid dissociates an equilibrium is established.
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Acid Strength
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Should the equilibrium constant for a strong acid be large, small, or can it not be determined? Large Sm all Ca n no t b e d t r min 78% 7% 15% 1. Large 2. Small 3. Cannot be determined
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auth-3.php - Zumdahl Chapter 14 ACIDS AND BASES Arrhenius...

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