Nathalie Dagmang Co-workers: Annjaneth Briones and groups 5‚ 6‚ 7 and 9 Group 8 Date Performed: February 3‚ 2011 Results and Discussion Report 9: Redox Titration: Winkler Method for Dissolved Oxygen Determination The three main objectives of the experiment are to (1) determine dissolved oxygen (DO) in water using the classical method (redox titration)‚ (2) discuss the chemistry behind the Winkler method for DO analysis and (3) describe the sampling technique for the analysis of DO in water sample
Premium Iodine Oxidizing agent Oxygen
who killed his family‚ Ames and Darby. After Darby testified‚ Ames was given the death penalty. One would think it would be lethal injection‚ quick and painless‚ Clyde had other plans. He had switched out the usual barbiturate‚ muscle relaxers and potassium chloride and replaced it with more lethal‚ slow acting‚ and more painful poisons. Once this was done‚ he moved onto Darby‚ the one he really wanted to pay. Clyde lures Darby away into a field when Darby grabs Clyde gun but little does Darby know
Premium Lethal injection Criminal justice Prison
Bibliography: "Potassium Chloride." - METTLER TOLEDO. Mettler-Toledo International Inc.‚ n.d. Web. 7 Nov. 2013.
Premium Concentration Measurement Density
science demonstrators are specially trained in the hazards of using these chemicals. * Hydrogen peroxide (30%) - This is ten times stronger than the normal hydrogen peroxide you can find at the store * Sodium iodide solution‚ 2 M or * Potassium iodide solution‚ 2 M * Liquid soap * Food coloring * Graduated cylinder (500 mL) * Safety glasses * Rubber gloves for clean-up * Experiment * Video * Related Experiments * Reviews Magic Spheres - Science of Density
Premium Water Oxygen Electric charge
Determination of an Unknown Concentration of Potassium Manganate using Colorimetry Introduction The purpose of this experiment is to conclude the concentration of an unknown solution using colorimetry to plot a calibration curve. Colorimetry measures the absorption of light at wavelengths within the visible region of the electromagnetic spectrum. It can be used to identify the unknown concentration of a solution in reference to a solution of a known concentration. When a solution appears
Premium Electromagnetic radiation Titration Light
TARGET MARKETING - MEANING‚ BASIS AND ITS NEED It is not possible for a marketer to have similar strategies for product promotion amongst all individuals. Kids do not get attracted towards products meant for adults and vice a versa. Every segment has a different need‚ interest and perception. No two segments can have the same ideologies or require a similar product.Target Marketing refers to a concept in marketing which helps the marketers to divide the market into small units comprising of likeminded
Premium Marketing Target market Teeth
4.3 Exercise 4 - Titrations and indicators 1. 20 cm3 of methanoic acid (Ka = 1.8 x 10-4 moldm-3) of concentration 0.10 moldm-3 is titrated against sodium hydroxide of concentration 0.05 moldm-3. a) Calculate the pH of the solution: i) initially ii) after 10 cm3 of the alkali has been added iii) after 20 cm3 of the alkali has been added iv) after 30 cm3 of the alkali has been added v) after 50 cm3 of the alkali has been added b) Sketch a pH titration
Premium Base Sodium hydroxide PH indicator
CASE STUDY: SENSODYNE OVERTAKES COLGATE IN SENSITIVE CATEGORY INTRODUCTION The sensitive toothpaste segment accounts for less than 10% of the country ’s Rs 5‚400-crore toothpaste market at Rs 470 crore‚ but is growing at 50% a year. Oral care giant Colgate Palmolive‚ which controls about 53% of the country ’s toothpaste market‚ has been selling its Sensitive brand in India since the last seven years. India had very low levels of awareness on the condition of tooth sensitivity. Over the past
Premium Toothpaste
Experiment 21: Reaction of some Akyl Halides Completed on November 13‚ 2012 Purpose The purpose of this experiment was to examine reactiveness of 10 organic compounds under both SN1 and SN2 conditions. Table of Chemicals Compound Structure Molecular Weight (g/ml) Boiling Point (°C) Melting Point (°C) Density (g/ml) Safety 1-bromobutane 137.03 102 -112 1.269 Flammable‚ irritant 2-chloro-2-methylpropane 92.57 51 -26 0.89 Flammable‚ irritant acetone 58.08 56.5 -95 0.793 flammable
Premium Sodium chloride Ethanol Iodine
The Stereochemistry of Bromine Addition: Bromination of trans-Cinnamic Acid Pitak Chuawong Objectives 1. To perform bromination of trans-‐cinnamic acid 2. To investigate stereochemistry of bromination reaction Introduction Alkenes undergo electrophilic addition to give alkyl halides. When bromine is used as a
Premium Bromine Acid Sodium