'Sample exercise' diaporamas de présentation

Acid-Base Titrations

Acid-Base Titrations. Section 17.3. Introduction. Definition: In an acid-base titration , a solution containing a known concentration of a base is slowly added to an acid. An indicator is used to signal the equivalence point of the titration.

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Chapter 17 : Additional Aspects of Aqueous Equilibria

Section 2: Buffered Solutions. Chapter 17 : Additional Aspects of Aqueous Equilibria. Introduction. Solutions prepared with common ions have a tendency to resist drastic pH changes even when subjected to the addition of strong acids or bases. Such solutions are called buffered solutions .

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Equilibrium

Equilibrium. UNIT 12. Overview. Concept of Equilibrium Equilibrium constant Equilibrium expression Heterogeneous vs homogeneous equilibrium Solving for equilibrium constant Solving for K Manipulating equilibrium constant Using gases. Equilibrium Calculations ICE method

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Office of Safe and Drug-Free Schools National Conference 2007 Pandemic Influenza Tabletop Exercise

Office of Safe and Drug-Free Schools National Conference 2007 Pandemic Influenza Tabletop Exercise. Facilitators: Pegi McEvoy, Seattle Public Schools Larry Borland, Douglas County School District August 4, 2007. DRAFT. Content. Exercise Rules Exercise Objectives Exercise Schedule

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Office of Safe and Drug-Free Schools National Conference 2007 Pandemic Influenza Tabletop Exercise

Office of Safe and Drug-Free Schools National Conference 2007 Pandemic Influenza Tabletop Exercise. Facilitators: Pegi McEvoy, Seattle Public Schools Larry Borland, Douglas County School District August 4, 2007. DRAFT. Content. Exercise Rules Exercise Objectives Exercise Schedule

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Entry Task: Nov 30 th Friday

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2003 SOFTBALL NFHS EXPERIMENTAL RULE

2003 SOFTBALL NFHS EXPERIMENTAL RULE. COMMITTEE REQUEST . NFHS Softball Rules Committee requested states to experiment with the DP Rule. The state of Arizona volunteered to use the rule in 2003. COMMITTEE REQUEST. DP rule replaces DH rule.

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2010 SOFTBALL NFHS DP/FLEX RULE

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SAMPLE EXERCISE 15.1 Writing Equilibrium-Constant Expressions

PRACTICE EXERCISE Write the equilibrium-constant expression, K c for. SAMPLE EXERCISE 15.1 Writing Equilibrium-Constant Expressions Write the equilibrium expression for K c for the following reactions: . Solution

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DP/FLEX RULE

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Chapter 15 Chemical Equilibrium

Chapter 15 Chemical Equilibrium. BLB 12 th. 2 NO 2 (g) ? 2 NO(g) + O 2 (g). ?. N 2 O 4 ( g ) colorless. 2 NO 2 ( g ) brown. 15.1 The Concept of Equilibrium. Chemical equilibrium occurs when a reaction and its reverse reaction proceed at the same rate. ?. N 2 O 4 ( g ). 2 NO 2 ( g ).

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ENGIN 365 Electronics I Introduction

ENGIN 365 Electronics I Introduction. Matthew Bell <Matthew.Bell@umb.edu>. What is Microelectronics?. SiO 2 : 3.9 ZrO x : ~20. What is covered in ENGIN 365?. Diodes Bipolar Junction Transistors Metal-Oxide-Semiconductor Field-effect Transistors Operational Amplifiers.

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DP/FLEX RULE SAMPLE EXERCISES

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DP/FLEX RULE SAMPLE EXERCISES

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Maxwell-Boltzmann Distribution Curves

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Uncertainty in Measurement

Uncertainty in Measurement. Significant Figures. The term significant figures refers to digits that were measured. When rounding calculated numbers, we pay attention to significant figures so we do not overstate the accuracy of our answers. Significant Figures.

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Reaction Mechanisms

Reaction Mechanisms. Steps of Reactions using Rate Laws. What is a mechanism?. A reaction mechanism is a description of the path, or sequence of steps , by which a reaction occurs. . START. END. REACTION MECHANISM. START. END. Example: Decomposition of O 3.

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Math with Equilibrium Expressions

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Electrolysis

Electrolysis. Splitting Materials via Energy. What is electrolysis? . Process of forcing current through a cell to produce a chemical change Results in negative cell potential Occurs within an Electrolytic Cell (a cell system that performs electrolysis)

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Using NERST Eqn

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