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Water (H 2 O)

Water (H 2 O)

Water (H 2 O). Why water exists and why is it important Water’s unusual properties Hydrogen bonding and polarity Liquid state Cohesion Solvent Water and solutions Hierarchy theory and the emergent properties of water. Take Home Message.

By lindsay
(305 views)

Chapter 8 Review “Covalent Bonding”

Chapter 8 Review “Covalent Bonding”

Chapter 8 Review “Covalent Bonding”. Pre-AP Chemistry Charles Page High School Stephen L. Cotton. Chapter 8 Review. What is the correct electron configuration arrangement of the four valence electrons of the carbon atom in a methane molecule (CH 4 ): a) 2s 2 2p 2 , or b) 2s 1 2p 3 ?

By alva
(966 views)

Chapter 3

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.

By eve
(273 views)

Today’s Objective : - SWBAT model acid-base equilibria

Today’s Objective : - SWBAT model acid-base equilibria

Catalyst: Wednesday February 5 , 2014. Take out your homework. Today’s Objective : - SWBAT model acid-base equilibria. Review. The pH of a 0.150 M solution of a weak acid is 4.10. Calculate the Ka value of the acid. Announcements. Saturday School: 10-11ish Monday: Cold Call Quiz.

By becky
(298 views)

CHAPTER 16 – ACIDS AND BASES

CHAPTER 16 – ACIDS AND BASES

CHAPTER 16 – ACIDS AND BASES. 1884 SVANTE ARRHENIUS Proposed the first definitions of acids and bases. ACID – A compound that produces hydrogen ions in a water solution HCl (g) → H + ( aq ) + Cl - ( aq ) BASE – A compound that produces hydroxide ions in a water solution

By Rita
(467 views)

Chapter 8

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

By jolene
(242 views)

CHAPTER 13

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!

By christy
(3 views)

The Autoionization of Water

The Autoionization of Water

H 2 O(l) + H 2 O(l) H 3 O + (aq) + OH – (aq). [H + ] > [OH – ] . [H + ] < [OH – ] . [H + ] = [OH – ] . The Autoionization of Water. In water, we constantly have (a little). Thus (@ 25 o C), the eq. const. for water is:.

By michel
(452 views)

Chapter 15 Acids and Bases

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.

By thom
(123 views)

Unit 12: Acids and Bases

Unit 12: Acids and Bases

Unit 12: Acids and Bases. Section 2: pH and pOH Scales. The pH Scale. pH: The negative of the common logarithm of the hydronium ion concentration [H 3 O + ] pH stands for the French words pouvoir hydrogene , meaning “hydrogen power” pH = -log [H 3 O + ]

By kiele
(129 views)

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

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

Acids & Bases CHAPTER 16 (& part of CHAPTER 17) Chemistry: The Molecular Nature of Matter, 6 th edition By Jesperson , Brady, & Hyslop. CHAPTER 16: Acids & Bases. Learning Objectives: Define Brønsted -Lowry Acid/Base Define Lewis Acid/Base Evaluate the strength of acids/bases

By yamal
(185 views)

UNIT 3

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 .

By nitesh
(151 views)

Strong and Weak Acids

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.

By diella
(140 views)

Chemistry SM-1232 Week 7 Lesson 1

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

By kare
(76 views)

Chemistry 142 Chapter 15: Acids and Bases

Chemistry 142 Chapter 15: Acids and Bases

Chemistry 142 Chapter 15: Acids and Bases. Outline Definitions Ion-product Constant for Water pH Scale Percent Dissociation Polyprotic Acids Salts of Acid-Base Reactions Acid Strength. Structures of Acids. HCl ionizes in water, producing H + and Cl – ions. NaOH dissociates in water,

By libra
(109 views)

Acids and Bases

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:

By tola
(108 views)

Chapter 2 Acids & Bases

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.

By nikki
(99 views)

Strength of Acids and Bases

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.

By nita
(112 views)

Colligative Properties

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: .

By ayala
(255 views)

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