'Aqueous solutions' diaporamas de présentation

Solutions and Colloids

Solutions and Colloids. Homogeneous (or nearly homogeneous) Mixtures. Solutions. Homogeneous mixtures Solvent = dissolving medium often liquid; frequently water gas in air and other gas solutions rarely a solid Solute(s) = dissolved material(s) solids, liquids, and/or gases

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Chapter 15

Chapter 15. Water. Water Molecules. O is more electronegative than H Gives O a partial negative charge Bent shape makes molecule polar Strong hydrogen bonds Water molecules are attracted to one another better than other molecules its size. Surface Tension.

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Chapter 15

Chapter 15. Water. Water Molecules. O is more electronegative than H Gives O a partial negative charge Bent shape makes molecule polar Strong hydrogen bonds Water molecules are attracted to one another better than other molecules its size. Surface Tension.

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Matter

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Acids and Bases

Acids and Bases. Acid-Base chemistry important in our everyday lives acidity of our blood is carefully controlled making sulfuric acid is an important industry sulfuric acid is needed to make fertilizers, polymers, steel, etc . environmental impact of acid rain. Acids and Bases.

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Interchangeability and study design

Interchangeability and study design. Drs. Jan Welink. Training workshop: Assessment of Interchangeable Multisource Medicines, Kenya, August 2009. Guidance documents. http://apps.who.int/prequal/ * Note to applicants on the choice of comparator products for the prequalification project

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WORKSHOP ON PREQUALIFICATION OF ARV: BIOEQUIVALENCE

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Bacterial Growth

Bacterial Growth. Industrial Microbiology. Bacterial growth. Binary fission Generation time Phases of growth. Binary fission. Prokaryote cells grow by increasing in cell number (as opposed to increasing in size). Replication is by binary fission, the splitting of one cell into two

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International Baccalaureate Chemistry

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Chapter 17

Chapter 17. Acid-Base Equilibria. Overview. Solutions of a Weak Acid or Base Acid ionization equilibria Polyprotic acids Base ionization equilbria Acid-Base properties of Salts Solutions of a Weak Acid or Base with Another Solute Common Ion Effect Buffers Acid-Base Titration Curves.

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S. O. Yang, Y. S. Kim, S. K. Ryu and C. S. Lee Thermodynamics and Properties Laboratory Dept. of Chemical Engineering, K

L W -H Equilibrium Measurements and Unified Predictions of Hydrate-Containing Phase Equilibriafor Methane, Ethane, Propane and Their Mixtures. S. O. Yang, Y. S. Kim, S. K. Ryu and C. S. Lee Thermodynamics and Properties Laboratory Dept. of Chemical Engineering, Korea University. Motivation.

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Double Bond: C 2 H 4

Double Bond: C 2 H 4. An sp 2 hybridized C atom has one electron in each of the three sp 2 lobes. Side view of the sp 2 hybrid + the unhybridized p orbital. Top view of the sp 2 hybrid. Double Bond: C 2 H 4.

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Strong Acid-Weak Base and Weak Acid - Strong Base

Strong Acid-Weak Base and Weak Acid - Strong Base. CH 3 COOH(aq) + OH - (aq) -> CH 3 COO - (aq) + H 2 O(l). Slow change in pH before equivalence point; solution is a buffer CH 3 COOH(aq)/CH 3 COO - (aq) At halfway point [HA] = [A - ] pH = pK a

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Which of the following is a soluble, strong base?

Which of the following is a soluble, strong base?. RbOH NH 3 Al(OH) 3 Co(OH) 3 Co(OH) 2. Which salt is produced from a strong acid and a strong base?. NH 4 Cl NaClO KClO 3 Na 2 CO 3 LiNO 2.

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To learn more about some of the results of chemical reactions To learn to predict the solid that forms in a precipitati

Objectives. To learn more about some of the results of chemical reactions To learn to predict the solid that forms in a precipitation reaction To learn to write molecular, complete ionic, and net ionic equations . A. Common Results of a Reaction .

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Chapter 9 Acids and Bases

Chapter 9 Acids and Bases. Strengths of Acids and Bases Making Dilutions. Strengths of Acids and Bases. Strong acids completely ionize (100%) in aqueous solutions HCl + H 2 O H 3 O + + Cl - (100 % ions )

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Reactions in Aqueous Solutions

Reactions in Aqueous Solutions . Ms. Mack Chapter 10, Section 3 Chemistry I- 3/24/09. Introduction. Many reactions involve substances dissolved in water. When this happens, solutions form Solutions (homogeneous substances) Two parts: SOLUTES- substances dissolved in water

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Chemistry 123 - General Chemistry III Fall 2010

Chemistry 123 - General Chemistry III Fall 2010 Instructor: Dr. Jeffrey A. Hurlbut Office: CB 388 Office Hours: 11:30 - 1:30 Tu, Th Office Telephone Number: 650-2242 Final Exam: 8:00 - 10:00 am Tuesday, 12/7/2010 Introductory Material

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1790-1720

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Autoclave

Autoclave. By: Carolina Gallango-Brun Sana Khan Vedrana Sahovic. Definition. Autoclave is a pressurized device designed to heat aqueous solutions above their boiling point at normal atmospheric pressure to achieve sterilization . Fig. 1. Autoclave machine. Brief History.

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