'Initial concentration' presentation slideshows

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Initial estimates for MCR-ALS method: EFA and SIMPLISMA

7 th Iranian Workshop on Chemometrics 3-5 February 2008. Initial estimates for MCR-ALS method: EFA and SIMPLISMA. Bahram Hemmateenejad Chemistry Department, Shiraz University, Shiraz, Iran E-mail: hemmatb@sums.ac.ir. Chemical modeling. Fitting data to model (Hard model)

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CHEMICAL EQUILIBRIUM Chapter 16

CHEMICAL EQUILIBRIUM Chapter 16. ALL BOLD NUMBERED PROBLEMS. Properties of an Equilibrium. Equilibrium systems are DYNAMIC (in constant motion) & REVERSIBLE. Cool. Heat. Blue to pink CoCl 4 2- (aq) + 6 H 2 O (l) ? Co(H 2 O) 6 2+ (aq) . Cool. Pink to blue

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Chapter 12 Chemical Equilibrium

Chapter 12 Chemical Equilibrium. The Concept of Equilibrium. Chemical equilibrium occurs when a reaction and its reverse reaction proceed at the same rate. The Concept of Equilibrium. Consider colorless frozen N 2 O 4 . At room temperature, it decomposes to brown NO 2 :

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Integrated Rate Laws

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Chapter 14

Chapter 14. Chemical Equilibrium Chemistry, 7e Thinkwell vs. Chang. CH 14: 14-30(even), 38-46(even), 52-60(even), 66, 67, 72, 74, 75, 80, 84, 90, 102. Thinkwell vs. Chang. 14.1 The Concept of Equilibrium and the Equilibrium Constant. Most reactions are reversible

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Equilibrium

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Chapter 8: Reaction Rates and Equilibrium

Chapter 8: Reaction Rates and Equilibrium. SPONTANEOUS PROCESSES Spontaneous processes are processes that take place naturally with no apparent cause or stimulus. EXERGONIC PROCESSES

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The Equilibrium of Weak Acids and Bases

The Equilibrium of Weak Acids and Bases. The Equilibrium of Weak Acids and Bases. The dissociation of an acidic or basic compound in aqueous solution produces ions that interact with water (REVIEW!) Pure water contains a few ions, produced by the dissociation of water molecules:.

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Acids and Bases

Acids and Bases. L. Properties of acids. Sour Conduct electricity Strong electrolytes (some) Weak electrolytes (some) React with metals to form hydrogen gas React with hydroxides to form water and salts. Properties of bases. Bitter Feel slippery Can be strong or weak electrolytes

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Chapter 14 Aqueous Equilibria Acids and Bases

Chapter 14 Aqueous Equilibria Acids and Bases. Definitions of Acids and Bases. Arrhenius gave the oldest definition of acids and bases. Acids - substances that increase the H + concentration H 2 O of water: HCl H + + Cl -

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The Effects of Caffeine On the 4-Day Old Chicken Embryonic Heart Rate

The Effects of Caffeine On the 4-Day Old Chicken Embryonic Heart Rate. Mazin Albert. Introduction. Chicken Heart Development Heart forms from precardiac mesodermal tubes 4 distinct regions 2 chambers. Chicken Heart Development. Figure 1- 33-Hour Chick Embryo.

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Fixed-Bed Reactor for studying the Kinetics of Methane Oxidation on Supported Palladium Objectives:

Fixed-Bed Reactor for studying the Kinetics of Methane Oxidation on Supported Palladium Objectives:. The general goal is to understand: the influence of the presence of catalysts on the mechanism and rate of chemical reaction

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Neutralization of an acid or base.

Neutralization of an acid or base. Mixing acids and bases. ~creates water H 3 O + + OH - ? 2 H 2 O this is called neutralizing the solution a neutralized solution is no longer dangerous. The point where neutralization is complete is called the equivalence point. Salts.

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Equilibrium

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The Base Dissociation Constant, K b

The Base Dissociation Constant, K b. The Base Dissociation Constant. A weak base, represented by B, reacts with water to form an equilibrium solution of ions. B (aq) + H 2 O ( l ) HB + (aq) + OH - (aq) The equilibrium expression for this general reaction is given as follows:

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Solutions & Solubility

Solutions & Solubility. 6.5 Solution Preparation. Review. Standard Solution = a solution for which the precise concentration is known Used in research laboratories and industrial processes Used in chemical analysis and precise control of chemical reactions. Preparing a Solution by Dilution.

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Dilution Calculations

Dilution Calculations. e.g.:. A chemist adds water to 120mL of 6.0M NaOH until the total volume is 2.0L. What is the molarity of the diluted NaOH?. moles NaOH:. 6.0 mol. 0.12 L. = 0.72 mol. L. molarity NaOH:. 0.72 mol. = 0.36 M. 2.0 L. Or use the dilution factor method:.

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Chemistry: Kinetics!

Chemistry: Kinetics!. Dr. Ed Brothers Chemistry and Physics for High School Students Texas A&M (Qatar) January 28, 2009. Where to get the slides?. http ://science.qatar.tamu.edu/HighSchoolCourses.aspx. Necessary Math. Previously, we talked about logarithms 10 x = y l og 10 (y) = x

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ERT 316: REACTION ENGINEERING CHAPTER 3 RATE LAWS & STOICHIOMETRY

ERT 316: REACTION ENGINEERING CHAPTER 3 RATE LAWS & STOICHIOMETRY. Lecturer: Miss Anis Atikah Ahmad Email: anisatikah@unimap.edu.my Tel: +604 976 3245. Outline. PART 1: Rate Laws Relative Rates of Reaction Reaction Order & Rate Law Reaction Rate Constant, k PART 2: Stoichiometry

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