EXPERIMENT 19: Properties and Reactions of Acids-Bases REPORT FORM Instructor ________________________ Date ____________________________ Partner’s Name: ___________________ Results and Observations Name ___________________________ I. & II. Conductivity and pH of Acid/Base Solutions: Solution Strong or Weak Conductivity Strong or Weak Acid/Base pH 0.1 M HCl (aq) 0.1 M HC2H3O2 (aq) 0.1 M NaOH (aq) 0.1 M NH3 (aq) Question 1. Both acids above have the same concentration‚ 0.1 M‚ but
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4 Strong Acid and Weak Base Lab PURPOSE: To find the molarity of an unknown acidic acid. MATERIALS: 1. 250 mL beaker 2. 10 mL graduated cylinder 3. 50 mL beaker 4. Funnel 5. 125 mL Erlenmeyer flask 6. 50 mL buret 7. Ring stand 8. Strong acid 9. Weak base 10. Phenolphthalein 11. De-ionized water. PROCEDURES: 1. Fill the buret with a weak base and place it in the ring stand. 2. Fill the 50 mL beaker with 30 mL of a strong acid. 3. Fill
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air or be left in the ash of the burnt battery. By draining and neutralising acid from the batteries and recycling them our problem is solved. The one world factors I shall be looking at this from is environment and economic. By: www.leadbatteryuniversity.uk Batteries must always be drained before they enter the recycling process. They should only be drained to a purpose built effluent treatment plant so that the acid can be treated and neutralized. Next the batteries are broken in a hammer mill
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Acid Determination of Vitamin C Tablets and Salt Solutions Chem 1290-016 03-05-2010 ------------------------------------------------- Purpose: The purpose of this lab was to use acid-base titrations to find the mass percent of ascorbic acid in a Vitamin C tablet. A known concentration of sodium hydroxide was used and the value found was compared to the stated amount of ascorbic acid listed on the vitamin container. Also in this lab the acidity of different salt solutions were tested using
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Chemistry A Rap 1 4/6/12 Acid and Base Report If someone were to ask the common teenager in the US‚ “What’s acid?” they would probably respond with something akin to “It’s that one drug that makes you see stuff that isn’t really there and just kinda makes you crazy”. And if that same someone was to ask that same teenager‚ “What’s a base?” their response would most likely have something to do with either baseball‚ or freeze-tag. The thing is‚ most people don’t really understand the most common
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indicator‚ methyl orange‚ phenolphthalein and many more. Acids and bases are diverse in this world. They are everywhere ranging from foods to trees to rocks and many more. Indicators can be used to determine whether these substances are acidic‚ basic or neutral. Manufactured indicators are one type and the second type is natural indicators. Believe it or not‚ the majority of fruits‚ vegetables and flowers contain pigments which may be used as acid-base indicators. For example‚ Red cabbage contains within
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ACID ATTACKS UNDER IPC : AN ANALYSIS INTRODUCTION Acid attacks are a form of violence against women‚ where the perpetrator splashes a person or object with acid in order to deface or kill them. Although acid throwing‚ also known as vitriol age‚ has been a form of violence known to be committed throughout history‚ there has been a steep rise in the cases documented in recent years‚ particularly in certain South Asian countries. Some of this increase has been attributed to better documentation
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Lloyd Term 2‚ 2014 Lauric Acid Experiment Teacher: Mr Oliver Contents 1.0 Introduction Elements and the compounds can exist in distinctive physical states. Liquid‚ solid‚ gas and plasma. Every element and compound has a distinctive melting and boiling point. When a substance reaches its melting and boiling point it will change phase. For example the molecules in a solid being heated gain energy and eventually are able to not only vibrate but
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Nucleic Acids Study guide I. Basic Info A. The chemical link between generations‚ the source of genetic info chromosomes B. They duplicate amino acid sequences in proteins C. Serves as Blue print of life II. Make up A. They have three parts • 5 Carbon Sugars • Base • A phosphate group III. DNA (Deoxyribonucleic Acid) A. Has a double helix B. Composed of repeating Nucleotides connected together C. Guanine → Cytosine D. Thymine →Adenine E. Linked by hydrogen bonds F. Sugar
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ACID / BASE BUFFER SYSTEMS Abstract A buffer solution is a solution that contains both an acid and a salt containing the conjugate base / acid in sufficient concentrations so as to maintain a relatively constant pH when either acid or base is added. In this experiment a selection of buffer solutions (Bicarbonate/carbonic acid)‚ Lake water and distilled water were obtained to compare their buffering behaviours when mixed both with an acid and a base. The results showed buffering capacities for
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