'Hydronium ion' diaporamas de présentation

Acids & Bases CHAPTER 16 (& part of CHAPTER 17)

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Chapter 15 Acids and Bases

Chapter 15 Acids and Bases. First defined by Svante Arrhenius 1903 Nobel Prize winner who proposed that: Acids - produce H ? ions in aqueous solution. HCl (g) H? ( aq ) + Cl ? ( aq ) . H 2 O. Arrhenius also proposed a useful definition for bases.

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Chemistry 142 Chapter 15: Acids and Bases

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Strength of Acids and Bases

Strength of Acids and Bases. By Melissa Martin and McKenna Halligan . Strength Of Acids and Bases. The extent to which the acid or base ionises or dissociates in water. Strong acids and bases are electrolytes that dissociate/ ionize almost completely in water.

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Chapter 8

Chapter 8. Solutions, Acids & Bases. Formation of a Solution. Formations of a Solution involves: - one substance dissolving into another - can be a solid, liquid or gas ex. gas - gas: air liquid - gas: water in air gas - liquid: carbonated beverages

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Water (H 2 O)

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CHAPTER 13

CHAPTER 13. Acids and Bases. 13.1 The Chemical Nature of Acids and Bases. Hydrochloric acid (HCl) is a strong acid in your stomach. The acid in your stomach (HCl) can burn skin and dissolve metal!

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Chemistry SM-1232 Week 7 Lesson 1

Chemistry SM-1232 Week 7 Lesson 1. Dr. Jesse Reich Assistant Professor of Chemistry Massachusetts Maritime Academy Fall 2008. Class Today. YES class on Friday Chapter 13 HW due, quiz due Today Chapter 14: Acids and Bases. Acids. Properties include: Sour taste Dissolve many metals

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Chapter 2 Acids & Bases

Chapter 2 Acids & Bases. Acids and Bases. A cid-base systems:. Arrhenius acids and bases Bronstead -Lowry acids and bases. 2.1 Arrhenius acids and bases. An Arhennius acid yields a proton in solution. An Arhennius base yields a hydroxide ion in solution.

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Acids and Bases

Acids and Bases. You should already know quite a lot about acids and bases: Acids are corrosive chemicals with a characteristic sour taste. They form solutions with a pH < 7 More about pH later!. All acids react in similar ways: Write balanced equations for the following:

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Chapter 3

Chapter 3. Water and the Fitness of the Environment. You Must Know. The importance of hydrogen bonding to the properties of water. Four unique properties of water, and how each contributes to life on Earth. How to interpret the pH scale. The importance of buffers in biological systems.

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Colligative Properties

Colligative Properties. Properties that depend only on the # solute particles in soln not the nature of the solute particles. Three Colligative properties affect solutions: . Vapor Pressure Depression: .

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UNIT 3

UNIT 3. Molecules. Molecules. This is a molecule of water. Chemistry happens among the electrons. Bonds occur between atoms as a result of interactions among the electrons. When the interaction is to share electrons , the bond is said to be covalent and the entity formed is a molecule .

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The Autoionization of Water

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Strong and Weak Acids

Strong and Weak Acids. Ionization of HCl and formation of hydronium ion, H 3 O +. H 2 O + HCl ?. H 3 O + + Cl -. Proton acceptor. Proton donor. Strong Acids vs. Weak Acids. Strong acids are assumed to be 100% ionized in solution (good proton donors). HCl. H 2 SO 4. HNO 3.

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Unit 12: Acids and Bases

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Experimental and Calculated Hydration Energies of Aromatic Ions (values in eV )

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