Multiple Choice: Circle the most correct answer.1. Which of the following properties of sugar is not a physical property?.(a) Sugar turns black when it is heated.(b) Sugar dissolves readily in water.(c) Sugar has a sweet taste.(d) Sugar is a white solid at room temperature
Pigments in Paprika.Objectives: To learn thin-layer chromatography (TLC) and column chromatography techniques. To separate paprika into the 3 major classes of compounds (listed below) by column chromatography. To use TLC to identify the 3 major bands
The number of known organic compounds totals into the millions. Of these compounds, the simplest types are those which contain only hydrogen and carbon atoms. These are known as hydrocarbons. Because of the number and variety of hydrocarbons that can exist, some means of classification is necessary
p. 31 Molarity By Dilution (mixing with water.a concentrated solvent).Acids are usually acquired from chemical supply houses in concentrated form. These acids are diluted to the desired concentration by adding water. Since moles of acid before dilution
Titration of HCl with NaOH.Neutralization reactions involve the reaction of an acid and a base to produce a salt (ionic compound) and water.Acid + Base à Salt + Water.Example: HCl(aq) + NaOH(aq) à NaCl(aq) + H2O(l).Net Equation: H+(aq) + OH-(aq) à H2O(l.Titration is a process of neutralization
Acids and Bases Name ______.Neutralization: Acids and Bases Together.True or False: For each false statement, change the underlined word(s) to the correct word(s).1. ______If you dip some blue litmus paper into a neutral solution, the litmus paper turns pink
Topic 11 Organic Chemistry 11.1.Alkanes, Alkenes, Isomerism and other Functional Groups SL/HL.1.Which of the following pairs represent members of an homologous series? ;.2. Which names are correct for the following isomers of C6H14?.C. I and III only
Summary Table for Titrimetric Analysis.Screened Methyl Orange.= methyl orange + a pH sensitive dyestuff (Xylene cyanol).Colour Change Interval/Indicator Range.Methyl Orange: 2.9 4.6.1) Read text page 545.Collect pictures or diagrams.Suction flask.Suction funnel.Sintered Glass Crucible
14. For the redox reaction 2Fe2+ + Cl2 2Fe3+ + 2Cl which of the following are the correct half-reactions?.Ans:a Algorithm:No Chapter/Section:18.1 Difficulty:Easy Keyword1:Chemistry Keyword2:generalchemistry Keyword3:electrochemistry Keyword4:half-reaction
Acids, Bases, Acidity, Alkalinity, and the Carbonate System.To study the interaction of acids and bases and to examine methods for determining equivalence points of these reactions. To become familiar with strong acid/weak base titrations and the concepts
The 3D Rigid Rotor and HCl Rovibrational Transitions.Remember , throughout this whole discussion, the symbol L for angular momentum and J for angular momentum mean exactly the same thing- as to the quantum numbers associated with them. By convention
Science 2nd prep 1st term revision.Attempts of elements Classification.1 Mendeleev's eriodic table.Elements are calssified in an ascending order according to their atomic weights.2 Moseley's periodic table.Elements are calssified in an acending order according to their atomic numbers
GRADE 9 SCIENCE.ENVIRONMENTAL CHEMISTRY.FINAL EXAM PREPARATION.SUBSTANCES IN OUR ENVIRONMENT (Textbook pages 183-208, 243-248).Inorganic and Organic Substances.Macronutrients are used in large amounts in living things in order to maintain their health
Experiment: Physical and Chemical Change.Have you ever thought of your eyes as powerful tools for studying chemistry? Many of the properties of matter and the changes it undergoes can easily be determined thorough careful observation. Physical properties
WELCOME TO AP CHEMISTRY!.ASSIGNMENT #1: READ THIS ENTIRE HANDOUT SO THAT YOU UNDERSTAND THE COURSE REQUIREMENTS and THE CLASS EXPECTATIONS.TEACHER: Mrs. Wendy Matta.EMAIL ADDRESS.ROOMS: 216 lab, 238 plan.COURSE DESCRIPTION
Chemistry 12 Notes Unit 4 Acids, Bases & Salts.Demo of Hydrolysis AlCl3, CaCl2, Na2CO3, etc.Reaction between a salt (ion or ions in a salt) and water to produce an acidic or basic solution.Net ionic equations for hydrolysis.An ion + water à a molecule or ion + H3O+ or OH