'Strong electrolytes' diaporamas de présentation

Chapter 4, 15 and 19 (Sections 4.1- 4.8) (Sections 15.1, 15.3, 15.4) (Sections 19.1-19.3, 19.8)

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Acid and Bases

Acid and Bases. Acid and Bases. Some Properties of Acids. Produce H + (as H 3 O + ) ions in water (the hydronium ion is a hydrogen ion attached to a water molecule) Taste sour Corrode metals (react to ? H 2 (g)) Are electrolytes (conduct electricity)

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Chapter 16 Acids and Bases

Chemistry, The Central Science , 10th edition Theodore L. Brown; H. Eugene LeMay, Jr.; and Bruce E. Bursten. Chapter 16 Acids and Bases. John D. Bookstaver St. Charles Community College St. Peters, MO ? 2006, Prentice Hall, Inc. Some Definitions. Arrhenius

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Chapter 4 and 15 ( Sections 15.1, 15.3, 15.4)

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Chapter 4

Chapter 4. Chemical Reactions and Solution Stoichiometry. Water: The Common Solvent. Essential for most biological reactions Polar covalent molecule Partial charges create poles (dipole moments) Polarity gives water the ability to dissolve compounds. Water Hydration of a Solute.

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Ions in Aqueous Solutions and Colligative Properties

Ions in Aqueous Solutions and Colligative Properties. Chapter 14. Dissociation. The separation of ions that occurs when an ionic compound dissolves. Dissociation examples. You try.

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Ionic Equilibria (Acids and Bases)

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Acids and Bases

Acids and Bases. Types of Acids and Bases. Describing Acids and Bases. Properties of Acids and Bases Acids Produce H + ions when dissolved in water Sour taste Solutions are electrolytes (some strong, some weak) React with metals to produce H 2 React with a base to form water and salt

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Transport in electrolyte solutions

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Ch. 4.1 & 4.2

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Solutions

Solutions. Electrolytes Nonelectrolytes. Electrolytes. Are substances that form positive(+) and negative (-) ions in water Conduct an electric current . Electrolytes in the Body. Carry messages send to and from the brain as electrical signals

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Strong Acids The strongest common acids are HCl, HBr, HI, HNO 3 , HClO 3 , HClO 4 , and H 2 SO 4

16.5: Strong Acids and Bases. Strong Acids The strongest common acids are HCl, HBr, HI, HNO 3 , HClO 3 , HClO 4 , and H 2 SO 4 Strong electrolytes Ionize completely in solution: HNO 3 ( aq ) + H 2 O( l ) ? H 3 O + ( aq ) + NO 3 - ( aq ) Remember, H + and H 3 O + are used interchangeably.

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Colligative Properties

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Precipitation Reactions

Precipitation Reactions. Precipitation. When two aqueous solutions combine to form an insoluble or only slightly soluble salt. Solubility Rules. Memorize: sodium, potassium, ammonium and nitrate always soluble. Is Each Soluble?. AgNO 3 KCl K 2 CrO 4 AgCl Ba(OH) 2 CaS NaOH.

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Ionic V.S. Covalent AND Covalent V.S. Polar Covalent

Ionic V.S. Covalent AND Covalent V.S. Polar Covalent . Ionic VS Covalent. IONIC BONDS. Metal + Non-Metal High in polarity High in melting point No definite shape Strong electrolytes ATOMS have to CHANGE to positive or negative before they bond

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Electrolytes

Electrolytes. Solutes whose solutions does not conduct electricity are nonelectrolytes . These solution are composed of molecules or are pure water. Ionic salts dissolved in water are strong electrolytes . Some solutes are poor conductors and are known as weak electrolytes .

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Strong Acids and Bases

hydrochloric, HCl . hydrobromic, HBr . hydroiodic, HI . chloric, HClO 3. perchloric, HClO 4. nitric, HNO 3. sulfuric, H 2 SO 4. -- these are strong electro- lytes that exist entirely as ions in aqueous solution . Strong Acids and Bases. -- memorize the names

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