Ppt on acid bases and salts for class 10

1 Substance Searching in Registry,CAplus. 2 The Registry File is the recommended starting point for substance searching in CAS databases (also for Marpat)

, Fullerene RL: IMF (Industrial manufacture); PREP (Preparation) (alkali metal amino acid salt derivs.; method for preparing water-soluble salts of amino acid derivs. of fullerene) IT 99685-96-8DP,.................. Substances indexed in CAplus 79 => l3 and review/dt and english/la and py>1999 1533746 REVIEW/DT 11879532 ENGLISH/LA 5938546 PY>1994 L5 9 L3 AND REVIEW/DT AND.. => d hit py Substances indexed in CAplus 80 DT Journal/


Chromosomes and DNA Packaging Chapter 5. The Problem Human genome (in diploid cells) = 6 x 10 9 bp Human genome (in diploid cells) = 6 x 10 9 bp 6 x 10.

and adjacent helices Salt bridges between Arg residues in both the contact helix and adjacent helices Protamines Other DNA Associated Proteins Gene expression in a dynamic environment Gene expression in a dynamic environment DNA associated non-histones: DNA associated non-histones: Palindromes Palindromes  -helices  -helices Symmetrical dimers Symmetrical dimers Interaction between R-groups and specific bases Interaction between R-groups and specific bases Role of basic amino acids/


Foundations of College Chemistry, 14 th Ed. Morris Hein and Susan Arena Lemons and limes are examples of foods that contain acidic solutions. 15 Acids,

. (Distilled water) Ion movement causes conduction of electricity in water. 3 classes of compounds, acids, bases, and salts are electrolytes because they produce ions in water when they dissolve. © 2014 John Wiley & Sons, Inc. All rights reserved. Electrolytes and Nonelectrolytes Which compound will not dissociate in water? a. HCl b. KBr/(aq) NaNO 3 (aq)+2 H 2 O(l) Knowns 3.60 mL, 0.20 M NaOH 10.00 mL HNO 3 Solving for Molarity of acid 0.20 mol NaOH 1000 mL NaOH 3.60 mL NaOH Calculate = 0.00072 mol HNO 3 1 /


PHYTOCONSTITUENTS Presented by BAHADUR SINGH HOD

containing dilute acid. Alkaloids are extracted as their salts together with accompanying soluble impurities. Method III: The powder is extracted with water soluble organic solvents such as MeOH or EtOH which are good solvents for both salts and free bases. Extraction in/atoms present in the structure. Table-1: Classification of Terpenoids S.No. Number of carbon atoms Value of n Class 1. 10 2 Monoterpenoids(C10H16) 2. 15 3 Sesquiterpenoinds(C15H24) 3. 20 4 Diterpenoids(C20H32) 4. 25 5 Sesquiterpenoids/


Solutions. Chemical Stewardship Be responsible in how you dispose of and use chemicals. Chemical pollution can travel far – and harm organisms. Frog with.

Layer Non-polar Polar "immiscible" Na + Cl - NaCl solid salt NaCl (aq) = Na + = Cl - Dissolving of solid /to 1 L. FOR EACH CLASS: x 5 classes 15 mol NaOH/and d) the solvent. 1.5 1.2 0.9 0.6 0.3 0.0 300400500600700800 Wavelength (nm) Absorbance Absorbance of Chlorophyll 10 26 10 24 10 22 10 20 10 18 10 16 10 14 10 10 8 10 6 10 4 10 2 1 10 -8 10 -6 10 -4 10 -2 110 2 10 4 10 6 10 810 10 12 10 14 10/acids, bases, most ionic compounds -- are crucial for many cellular processes -- obtained in a healthy diet -- For/


REGISTRY Dictionary.

is: => S A(L)B(L)C and nc=3 (The field BI is indexed as words) The Operators W or A are not working Molecular Formula Search Salts of Acids To determine the /MF for salts of acids, do the following: Remove the metal from the acid. Replace it with hydrogen. Determine the formula for the neutral fragment. Separate the acid formula from the metal formula with a/


Updates Assignment 04 is is due today (in class) Midterms marked (in the box); solutions are posted Assignment 03 is in the box.

O) 5 (aq) + H + (aq) 3+2+ 16.10 Acid Hydrolysis of Al 3+ 16.10 Acid-Base Properties of Salts Solutions in which both the cation and the anion hydrolyze: K b for the anion > K a for the cation, solution will be basic K b for the anion < K a for the cation, solution will be acidic K b for the anion  K a for the cation, solution will be neutral 16/


1 Common Mistakes in Chemistry. 2 1.Read the question (5 - 10 s) 2.Think (10 s) 3.Pair-up and discuss your answer (10 – 15 s) 4.One group will be invited.

Nitrogen – octet structure for each nitrogen atom 83/and chlorine water is acidic. Chlorine bleach is a solution of sodium hypochlorie, which is a salt of strong base and weak acid. Cl 2 + H 2 O HCl + HOCl Chlorine water is a solution of hydrochloric acid and hypochlorous acid/10 s) 2.Think (10 s) 3.Pair-up and discuss your answer (10 – 15 s) 4.One group will be invited to share the answer with whole class (10 – 15 s) 123 The following answer is imprecise, amend it. Metal reacts with dilute hydrochloric acid/


Def’n: matter – anything that takes up space, which have both physical and chemical properties Def’n: chemistry – the study of matter, its properties,

between an acid and a baseSalts form electrolytic solutions when dissolved in water Acid + BaseSalt + Water Ex. HCl (aq) + NaOH (aq)  H 2 O (aq) + NaCl (aq) Note: There are more salts than just table salt (NaCl)  To distinguish acids and bases from other types of compounds look for (aq) next to the chemical formula which means that the compound is dissolved in water which acids and bases need to be.  Name bases the same/


Chemical Reactions: Classification and Mass Relationships

precipitate from solution when formed. Copyright © 2010 Pearson Education, Inc. Chapter Six 6.10 Acids, Bases, and Neutralization Reactions When acids and bases are mixed together in correct proportion acidic and basic properties disappear. A neutralization reaction produces water and a salt. HA(aq) + MOH(aq)  H2O(l) + MA(aq) acid + base  water + salt The reaction of hydrochloric acid with potassium hydroxide to produce potassium chloride is an example: HCl(aq) + KOH(aq)  H2O(l/


Chapter Six Chemical Reactions: Classification and Mass Relationships Fundamentals of General, Organic, and Biological Chemistry 5th Edition James E. Mayhugh.

Reactions Prentice Hall © 2007 Chapter Six 49 Prentice Hall © 2007 Chapter Six 50 6.10 Acids, Bases, and Neutralization Reactions ►When acids and bases are mixed together in correct proportion, acidic and basic properties disappear. ►A neutralization reaction produces water and a salt. HA (aq) + MOH (aq)  H 2 O (l) + MA (aq) acid + base  water + salt ►The reaction of hydrochloric acid with potassium hydroxide to produce potassium chloride is an example: ►HCl (aq) + KOH/


Buffers and Titrations SSS 3 Class 3. Materials 0.5 M Solutions VinegarNaOH HCl ammonia Sodium Acetate Ammonium Chloride water buffer.

Class 3 Materials 0.5 M Solutions VinegarNaOH HCl ammonia Sodium Acetate Ammonium Chloride water buffer Buffers What is a Buffer? – A Solution made of a weak acid and salt of weak acid ( ion is the acid’s conjugate base) or weak base and salt of weak base ( ion is the base’s conjugate acid) What are the advantages of having a Buffer? – Solution will not significantly change in pH when an acid or base/


1 Ch 5. Reactions of Ions and Molecules in Aqueous Solutions Brady & Senese 5 th Ed.

acid name is -ous acid  ends in -ate, the acid name is -ic acid -ate anion acids-ite anion acids HNO 3(aq) nitric acidHClO 2(aq) chlorous acid H 2 SO 4(aq) sulfuric acidH 2 PO 3(aq) phosphorous acid 4.3.Acids and bases are classes of compounds with special properties26 Your turn! Which of the following is the correct name for H 2 SO 3(aq) ? sulfuric acid sulfurous acid hydrosulfuric acid/


Drug Delivery: The Basic Concepts

concentrations may be unacceptable for parenteral formulations for toxicological reasons. 2. Improving the solubility of drugs by salt formation: Formulation of drugs as salts instead of the use of the drug in its acid or base form is the most commonly used method to improve aqueous solubility and dissolution rate. Usually in the salt selection process, the formulator prepares a range of salts and their physical and chemical properties have to/


1. Three fatty acids are shown below

melting points from the structures alone. 4. If this molecule reacts with a strong base such as NaOH, what would the products be? a. an ester and fatty acids b. glycerol and aldehydes c. glycerol and fatty acids d. glycerol and salts of fatty acids 5. Hydrogenation of glyceryl trioleate, a triacylglycerol made from three oleic acids and glycerol, converts a. the ester group to a ketone group. b. the ester/


Proteins.

and a carboxyl group Amino acid charge behavior Neutral Acidic Basic α α Proteins – basic concepts Amino acids are generally grouped into 3 classes Charged and polar Uncharged and polar These two classes of amino acids are found on the surface of proteins Non-polar and/ Salt concentration (ionic strength) is also very important for protein solubility At low salt concentrations protein solubility increases (salting-in) At high salt concentrations protein solubility decreases (salting-out) Salt concentration/


Chapter Five Classification and Balancing of Chemical Reactions Fundamentals of General, Organic, and Biological Chemistry 7th Edition Chapter 5 Lecture.

b.2,7,10,6 c.1,11,5,12 d.1,8,5,6 5.3 Classes of Chemical Reactions Once over lightly Precipitation Acid-base neutralization Redox Precipitation /Acids, Bases, and Neutralization Reactions The most common kind of neutralization reaction occurs between an acid and a base –to yield water and a salt The mechanism of acid base neutralization is also ‘double displacement’ An acid HA (eg, HCl) And a metal hydroxide base MOH (eg NaOH) HA (aq) + MOH (aq) → H 2 O (l) + MA (aq) fyi We can write HA as generic for acids/


Chapter 15 1. Monoprotic Bronsted Acid and Base Bronsted Acids- able to donate protons in the form of hydrogen ions – protons – H +. AH A - + H + Bronsted.

aq) + OH - (aq) K b = 5.6 x 10 -10 K a = K b  NH 4 C 2 H 3 O 2 is neutral Predicting Acid-Base Property of Salts 43 Predicting Acid-Base Property of Salts Is (NH 4 ) 2 SO 4 acidic, basic or neutral? (NH 4 ) 2 SO 4 (aq)/proposed a definition for acids and bases. Now known as Lewis acids. 54 Lewis Acids and Bases  A base is any species that donates an electron pair.  An acid is any species that accepts an electron pair.  This definition greatly expands the classes of acids.  The acid-base reaction, in the/


Chemistry—Ch. 19: Acids, Bases, and Salts 19.1—Acid-Base Theories main ideas: properties of acids/bases, Arrhenius, Bronsted- Lowry 19.2—Hydrogen Ions.

molecule. Ion Product Constant for Water For aqueous solutions, the product of the hydrogen-ion concentration and the hydroxide-ion concentration equals 1.0  10 -14. Any aqueous solution in which [H + ] and [OH - ] are equal/Acid-Base Reactions –In general, the reaction of an acid with a base produces water and one of a class of compounds called salts. 19.4 Reactions in which an acid and a base react in an aqueous solution to produce a salt and water are generally called neutralization reactions. Acid-Base/


Chapter Six Chemical Reactions: Classification and Mass Relationships.

precipitate from solution when formed. 8/27/2015 Chapter Six 24 6.10 Acids, Bases, and Neutralization Reactions ►When acids and bases are mixed together in correct proportion acidic and basic properties disappear. ►A neutralization reaction produces water and a salt. HA (aq) + MOH (aq)  H 2 O (l) + MA (aq) acid + base  water + salt ►The reaction of hydrochloric acid with potassium hydroxide to produce potassium chloride is an example: ►HCl (aq) + KOH (aq)  H/


The texts were not checked by a native speaker. All comments, suggestions and improvements are welcome and the authors will be very thankful for discovered.

2 Part of lipids Choline Part of lipids. Its ester with acetic acid is very important for transport of neural excitements. Strong basic, Quaternary ammonium base. Org. chem. 2015/1621 Biologically important alcohols II We can classify /Uronic acids are a class of sugar acids with both carbonyl and carboxylic acid functional groups. They are sugars in which the terminal carbons hydroxyl group has been oxidized to a carboxylic acid. β-D glucuronic (formed from glucose), salts: glukoronates -D-glucuronic acid /


Chapter 10 Carboxylic Acids. Carboxylic Acids In this chapter, we study carboxylic acids, another class of organic compounds containing the carbonyl group.

water than are their salts of fatty acids. Following is the preparation of the synthetic detergent, SDS, a linear alkylbenzenesulfonate (LAS), an anionic detergent. Detergents Among the most common additives to detergents are foam stabilizers, bleaches, and optical brighteners. Acidity of Carboxylic Acids Carboxylic acids are weak acids. Values of K a for most unsubstituted aliphatic and aromatic carboxylic acids fall within the range 10 -4 to 10 -5 (p K a/


Chapter 17 Lipids and Their Functions in Biochemical Systems Denniston Topping Caret 5 th Edition Copyright  The McGraw-Hill Companies, Inc. Permission.

Acids Common Fatty Acids 17.2 Fatty Acids Melting Points of Fatty Acids 17.2 Fatty Acids Chemical Reactions of Fatty Acids Esterification reacts fatty acids with alcohols to form esters and water 17.2 Fatty Acids Fatty Acid Hydrolysis Acid Hydrolysis reverses esterification –Fatty acids are produced from esters 17.2 Fatty Acids Saponification Saponification is the base-catalyzed hydrolysis of an ester Products of the reaction are –An alcohol –An ionized salt/ for controlled passage of material into and out/


Init <<5/12/2008 by Daniel R. Barnes WARNING: This presentation includes a combination of original graphical images created by the author and images taken.

required to learn about Lewis acids and Lewis bases on your own (to the degree that we fail to cover it in class). Q: According to Svante Arrhenius, what is the definition of an acid? A: An acid is a chemical that gives/10 -14 M 1 x 24 = 24 2 x 12 = 24 3 x 8 = 24 4 x 6 = 24 6 x 4 = 24 SWBAT...... use the pH system to characterize acid, base, and salt solutions. 0 14 7 + - Click the link below to an FDA web page listing pH’s of different foods. According to this web page, what is the overwhelming tendency for/


Acid + Base Class # 1 OB: intro to Arrhenius theory, meet and greet tables K, L, and M.

it acts when put into water. 46. This theory (in our class) is ONLY for AMMONIA. It could be applied to other acids and other bases, but not in high school. 47. There are even OTHER theories that explain acids and bases (but who cares?) 99% Almost ALL acids and bases are ARRHENIUS acids and bases, and follow a nice, easy to remember, Nobel Prize winning plan: Acids have excess H +1 ions in solution, while/


CHAPTER 6 LIPIDS and MEMBRANES 1. WHAT IS LIPID ?? Are a diverse group of water-insoluble organic compounds. Lipid is soluble in nonpolar organic solvents.

and high temperature. It can also be performed using enzymes known as lipases. This reaction is reversible and therefore it is also used for the synthesis of esters from fatty acids and alcohol through the esterification reaction. 10/the bilayer. Membrane proteins: There are 3 classes of membrane-bound proteins, divided based on their mode of attachment to the / integral protein found in the cytoplasmic membrane of a halophilic (salt- loving) bacterium Halobacterium halobium. It helps harness light energy/


16-1 Principles and Applications of Inorganic, Organic, and Biological Chemistry Denniston, Topping, and Caret 4 th ed Chapter 16 Copyright © The McGraw-Hill.

of aniline. (See aromatics) Name a) and b): a) m-nitroaniline b) N-methylaniline 16-10 Reactions of Amines: Preparation Aliphatic amines are /for glycine which has two Hs. Generic amino acid at physiological pH.  C 16-24 Peptides A peptide is a polymer of about 2-100 amino acids linked by the peptide(amide) bond. As the amino group and the carboxyl group link, water is lost. 16-25 Hydrolysis of Amides a) Amides hydrolyze with acid to give the carboxylic acid and the amine salt. b) Amides hydrolyze with base/


1 Chapter 8: Outline 8.1 Fatty Acids 8.2 Waxes 8.3 Triglycerides (or triacylglyceries) 8.4 Phospholipids and Glycolipids 8.5 Steroids 8.6 Eicosanoids 8.7.

double bonds. 4 5 6 Fatty acid reacting with base: 7 8.2: Waxes Waxes are esters produced by combining fatty acids with long chain alcohols. 8 9 Animal fats and vegetable oils are triglycerides or triacylglycerides, in which three fatty acid residues are joined to glycerol by ester bonds. fatty acid Glycerol structure of a triglyceride fatty acid 8.3: Triglycerides 10 11 What is Olestra? (The/


Important – Read Before Using Slides in Class Instructor: This PowerPoint presentation contains photos and figures from the text, as well as selected animations.

Class Instructor: This PowerPoint presentation contains photos and figures from the text, as well as selected animations and videos. For animations and/and video files. For assistance with copying the slide and video files, please visit our Technical Support at cengage.com/support or call (800) 423-0563. Thank you.cengage.com/support Chapter 9 Acids, Bases, and Salts/Solution: Because the pH is the negative of the exponent on 10 used to express [H + ] using scientific notation, pH = -log (1.0x10 -/


Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu How to Use This Presentation To View the presentation as a slideshow.

the class. Chapter 15 Section 3 Solutions of Acids and Bases Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Objectives Explain the difference between strong acids and bases and weak acids and bases. Identify acids and bases by using the pH scale. Describe the formation and uses of salts. Chapter 15 Section 3 Solutions of Acids and Bases Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Strengths of Acids and Bases Acids and bases can/


Chem. 1B – 9/22 Lecture. Announcements I Exam 1 –On Oct. 1 (week from next Thurs.) –Some example exams posted (my last Exam 2 for this class is closest.

for this class is closest to this material) –Also Mr. Spark’s website has an example exam posted (see link on my website) Mastering Chemistry –Chapter 15A assignment due Thurs. –Longer than previous one –Some questions are a little different than examples given so far Announcements II Today’s Lecture – Chapter 15/16 Topics –Acid-Base Properties of Ions and Salts –More Problem Practice –Polyprotic Acids –Relating Acid/


Acid-Base Equilibria: The Nature of Acids and Bases What makes an Acid an Acid? An acid possess a sour tasteAn acid possess a sour taste An acid dissolves.

)x K b = 1.0 x 10 -14 K b = 1.0 x 10 -14 / 6.76 x 10 -4 = 1.5 x 10 -11 Acid-Base Equilibria: Relationship Between K a and K b Now it’s your turn Calculate the pK b for carbonic acid (K a = 4.3 x 10 -7 ) Acid-Base Equilibria: Acid-Base Properties of Salt Solutions Anions of weak acids, HX, are basic and will react with H 2 O/


Prof. aza Gareth Thomas. prof. aza 1. Introduction 1. Introduction The nucleic acids are the compounds that are responsible for the storage and transmission.

5 (pKa2.) and 9.1—9.7 (pKa3.), the last being the range for the corresponding ammonium salts. These values have been assigned by Leeson and co-workers to the structures shown in Table 10.4. Tetracyclines are amphoteric, forming salts with acids and bases. They normally exhibit/ the nucleic aciJ into fragments. Currently, the main cleaving agents are the bleomycins (Figure 10.36) and their analogues. However, other classes of drug are in the development stage. The bleomycins are a group of naturally occurring/


Acids And Bases. Section 19.1 Acid-Base Theories OBJECTIVES: –Define the properties of acids and bases.

[H+] if the pOH is 3.7? pOH  pH  [H + ] [H+] = 10 -pH = 10 -10.3 = 5 x 10 -11 M Reaction between acids and bases Neutralization (defn) – reaction of acid and base to form a salt and water –The reaction is a double replacement Salt (defn) – ionic compound made of –cation from base and –anion from acid Reaction between acids and bases Ex reaction Mg(OH) 2 + HCl  MgCl 2 + H 2 O baseacidsalt water Mg 2+ + OH/


Unit 2: Cell Transport Objectives: 2.A.3: Organisms must exchange matter with the environment to grow, reproduce and maintain organization. – Surface area-to-volume.

, pepsin, glut-4 transporter 2.carbohydrate– sugars and starch 3.nucleic acid– DNA and RNA 4.lipid– fats, phospholipid Cells are surrounded/for the 10% Test Make-UP DUE Wed before class to turnitin.com: Modeling Passive and Active Transport Energy?Advantage to Cell? O 2 and Hemoglobin Surface Area vs Volume water, an aquaporin and salt Glut – 4 transporter proton pump and/” insulin (environment) Draw and explain the events as you would predict based on the description of Type 1 and Type 2 diabetes. Diabetes:/


Unit 7 Reactions in Solution Chem II Objectives  Describe the driving force for a chemical reaction.  Use generalizations to predict the products of.

a precipitation reaction Example: Potassium chromate + barium nitrate ↑ Write equation for products 3 Precipitation Reactions To predict the identity of the precipitate, /, Ba(OH) 2 and Ca(OH) 2. 6.Most sulfide (S 2- ), carbonate (CO 3 2- ) and phosphate (PO 4 3- ) salts are insoluble. 10 Predicting Products - Z /Cl - and Na + are spectator ions so the net ionic equation is: H + (aq) + OH - (aq) → H 2 O (l) 28 Acid-Base Reactions In class Z Page 187 – Example 7.4 29 Acid-Base Reactions In class Page 187 /


AR Time until 10:29 1. Student Planner February 24, 2015 Place this in the proper place Prepare for this week ending the triad You need planner, notes,

: Name: Acids and Bases Class/Period: Date: Feb 24, 2015 Essential Question: what would a neutral substance show a pH of? Warm Up 1. Iron oxides, such as rust, form when iron metal reacts with oxygen in the air. What are the chemical symbols for the two elements found in iron oxide? A) I and O B) Ir and O C) Fe and O D) Pb and O 2/


Lipid metabolism 1 You give me fever Peggy lee. 2 FATTY ACID OXIDATION β -oxidation is the pathway by which the fatty acids from both dietary fat and.

,11,14 ), which is used for the synthesis of the major class of human eicosanoids 51 Elongation and desaturation of α -linolenic acid produces eicosapentaenoic acid (EPA; 20:5, Δ 5,8,11,14,17 ), which is the precursor of a different class of eicosanoids Another important product of the elongation and desaturation of fatty acids in the body is docosahexaenoic acid (DHA,22:6 Δ 4,7,10,13,16,19 ) Regulation/


18 18-1 © 2003 Thomson Learning, Inc. All rights reserved General, Organic, and Biochemistry, 8e Bettelheim, Brown Campbell, & Farrell.

in water, react with NaOH, KOH, and other strong bases to form water-soluble salts. They also form water-soluble salts with ammonia and amines. 18 18-28 © 2003 Thomson Learning, Inc. All rights reserved Reaction With Bases Like inorganic acids, carboxylic acids react with sodium bicarbonate and sodium carbonate to form water-soluble sodium salts and carbonic acid. Carbonic acid then decomposes to give water and carbon dioxide, which evolves as a gas/


Unit 7 Reactions in Solution Upon completion of this unit, you should be able to do the following: Describe the driving forces for a chemical reaction.

of water – Transfer of electrons 2 Reactions which form solids One driving force for a chemical reaction is the formation of a solid, a process called precipitation/KOH, Ba(OH) 2 and Ca(OH) 2. 6.Most sulfide (S 2- ), carbonate (CO 3 2- ) and phosphate (PO 4 3- ) salts are insoluble. 10 Predicting Products - Z /that Cl - and Na + are spectator ions so the net ionic equation is: H + (aq) + OH - (aq) → H 2 O (l) 27 Acid-Base Reactions In class Z Page 187 – Example 7.4 28 Acid-Base Reactions In class Page 187 /


Chapter 16 Aqueous Acidic Equilibrium. History of Acids and Bases In the early days of chemistry chemists were organizing physical and chemical properties.

- 10, less than a drop of titrant to get there  More limitation in indicators since steep part starts at pH 7, i.e. cannot use a indicator that changes color less than pH7  The salt will react with water (hydrolysis) to produce OH- thus a basic equivalence point Acid/Base Indicators Figure 16.13 Choosing an Indicator Titration Curves for NH 3 and NaOH Titration Curves for/


Introduction to Organic Chemistry and Alkanes 1. What is Organic Chemistry? The chemistry of Carbon and its compounds. There are over 18 million known.

: why? Amines are bases, and carboxylic acids are acids. The amine pulls off the carboxylic acid H to form a salt, called a zwitterion (German: zwitter = hybrid). 224 Acid-Base Properties of Amino-Acids If an amino-acid is put into a very acid pH (for example, pH = 2/Hall © 2007Chapter Twenty Two334 22.1 An Introduction to Carbohydrates Carbohydrate: A member of a large class of naturally occurring polyhydroxy ketones and aldehydes. The general formula of a carbohydrate is C x (H 2 O) y Monosaccharide (/


1 … Úrsula on the other hand, held a bad memory of that visit, for she had entered the room just as Melquíades had carelessly broken a flask of bichloride.

fatty acids, 2- monoacyglycerol, cholesterol and fat- soluble vitamins Except for the bile salts, the rest are absorbed by the duodenal and jejunal epithelial cells  in the epithelium triacylglycerides, phospholipids and some cholesterol ester are resynthesized > 95 % of the bile salts reabsorbed in the ileum and returned to the liver (enterohepatic circulation) to be recycled; the rest is excreted 9 Absorption of the products of lipid digestion 10 Enterohepatic/


Week 2- Tuesday April 12 Topic: Nutrition package labeling Begin Label Assignment in class Assignment due next class. Notes  Remember type all assignments.

all assignments. Include last name, first name and class time  See syllabus for all exam and assignment due dates Deciphering Labels-part l The Basics. Purpose of Product Labeling  Intended Purpose  Inform consumer  Manufacturer’s Purpose  Make a sale!  Label info reliability: good! Regulated by:  Food and Drug Admin. (FDA)  US Dept. of Agriculture (USDA)  % Daily Value (% DV)  Based on high quality data  Use to compare/


Matter Make a “Matter” title page in toolkit: Properties of Matter-Physical and Chemical Phases of Matter Atoms Elements, Molecules, and Compounds Periodic.

phases of matter. Phase Change Worksheet Complete the Phase Change Worksheet. It will be turned in for a grade at the beginning of the next class (Lunch Academy Assignment). Properties of Matter (2 Long Flippers) Properties are the characteristics to / salt and water have to do with acids and bases? Can you figure it out????? HCl + NaOH  (H+) + (Cl-) + (Na+) + (OH-) HCl + NaOH  H 2 O + NaCl Acid + Base  Water + Salt Acid/Base Lab Acid/Base Lab Review 1.If a solution has a pH of 14, is it an acid or base?/


BUFFER AND ISOTONIC SOLUTION. Overview:  Buffer equation  Buffer capacity  Buffer in Pharmaceutical and biological systems  Buffered isotonic solutions.

for removing H + (aq) as it is added conjugate base (equilibrium shifts to the left) This situation can’t exist if only acid is present; a mixture of the acid and salt is used. The weak acid provides the equilibrium and the large CH 3 COOH(aq) concentration. The sodium salt/045.130.10 0.055.240.09 0.065.360.08 Buffer Capacity: Buffers in Pharmaceutical and Biologic /Class I Method Class II Method Calculating the pH of an acidic buffer solution Calculate the pH of a buffer whose [HA] is 0.1 mol dm -3 and/


Acids and bases always starts with a good story. A long, long time ago, in a galaxy far, far away…

first, then lots more… HCl (AQ) + NaOH (AQ) HCl (AQ) + NaOH (AQ) NaCl (AQ) + HOH (L) Write chemical formulas for these acid base neutralization reactions… 38. Nitric acid + potassium hydroxide 39. Hydrochloric acid and calcium hydroxide Remember… start at the beginning, products are salt and HOH Next slide for balanced equation to start… 38. HNO 3(AQ) + KOH (AQ) 39. HCl (AQ) + Ca(OH) 2(AQ) 38. HNO 3/


Today Oct 4 – Topic: Food labeling – Begin Label Assignment in class Thurs Oct 6 – Finish labeling – Label assignment due. One paper/team Type all assignments-Include.

assignments-Include last name, first name and class time – See syllabus for all exam and assignment due dates Deciphering Labels Part 1 The Basics. Purpose of Product Labeling  Intended Purpose  Inform consumer  Manufacturer’s purpose  Make a sale!  Nutrition Facts panel info reliability: Good! Regulated by:  Food and Drug Admin. (FDA)  US Dept. of Agriculture (USDA)  % Daily Value (% DV)  Based on high quality data  Use to/


STEVENSON 2009-10 PBHS AP Biology. Lab #2: Enzyme Catalysis Introduction: This the first of 12 AP Labs designed to illustrate the themes of this class.

, the enzyme will denature and form an inactive precipitate If the salt concentration is very high, new interactions will occur and again an inactive precipitate is formed Intermediate salt concentrations such as human blood (0.9%) is the optimum for many enzymes Lab #2: Enzyme Catalysis pH As the pH is lowered (solution becomes acidic), the side chains will attract H+ ions and the enzymes shape is/


Acid-Base Equilibria: Acids and Bases

x 10-8 Calculate the pH of a .1M solution Anions of Weak Acids HC2H3O2(aq) + H2O(aq)  H3O+(aq) + C2H3O2- (aq) Bronsted acid Bronsted base Conjugate acid Conjugate base A second class of weak base is composed of the anions of weak acids Anions of weak acids can be incorporated into salts. /10-4)x Kb = 1.0 x 10-14 Kb = 1.0 x 10-14/ 6.76 x 10-4 = 1.5 x 10-11 Calculate the pKb for carbonic acid (Ka = 4.3 x 10-7) Now it’s your turn Acid-Base Properties of Salt Solutions Anions of weak acids, HX, are basic and/


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