Acids and Bases Study Guide Properties of Acids/Bases: ACIDS | BASES | [Type a quote from the document or the summary of an interesting point. You can position the text box anywhere in the document. Use the Drawing Tools tab to change the formatting of the pull quote text box.] [Type a quote from the document or the summary of an interesting point. You can position the text box anywhere in the document. Use the Drawing Tools tab to change the formatting of the pull quote text box.] pH <
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August 28‚ 2009 [PROBLEM SET FROM R. CHANG TEST BANK] Chapter 16 Acid-Base Equilibria and Solubility Equilibria Student: ___________________________________________________________________________ NOTE: A table of ionization constants and Ka’s is required to work some of the problems in this chapter. 1. In which one of the following solutions will acetic acid have the greatest percent ionization? A. B. C. D. 2. Which one of the following is a buffer solution? A. B. C. D. E. 3. 0.40 M HCN and
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Data Analysis The pH of a liquid affects the brownness of a banana. This experiment was started by the question‚”Does the pH of a liquid affect the browning time of a banana? “ The hypothesis was “that the lower the pH the less brown a banana will turn.”. The experimental group was bananas placed in liquids with varying pH levels : lemon juice‚ lime juice‚ vinegar‚ baking soda water‚ alkaline water‚ and distilled water. This experiment’s dependent variable is the number of spots each banana has
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Procedures 1. What should you always wear to protect your eyes when you are in the chemistry laboratory? You should wear safety glasses to protect your eyes when you are in the chemistry laboratory. 2. Should you add acid to water or water to acid? You should always add acids to water. 3. Where should you dispose of broken glass? You should dispose broken glass in a protective container. 4. What should you do if you spill a chemical on your hand? If the chemical spill is on a small area you
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Without the exploration of the liquid fueled rocket Robert Goddard made in 1926 the world would be almost no where today in space travel. And without his exchange with the Smithsonian Institution the liquid fueled rocket might not have been a possibility. Robert Goddard was born October 5th‚ 1882 in Worcester Massachusetts. His mother was Fannie Hoyt and his father was Nahum Goddard. As a child Robert was not the best student he missed many days of school in high school. However‚ he was very successful
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and of the Enthalpy of an Acid-Base Reaction Abstract The purpose of this lab was to first‚ determine the specific heat capacity of a homemade calorimeter‚ and second‚ to calculate the enthalpy of reaction for an acid-base reaction between 6M KOH and 6M HNO3. To determine the specific heat capacity of the calorimeter‚ two differing temperatures of water were measured and volume was measured and mixed within the calorimeter. The enthalpy of reaction for an acid-base reaction was found by these
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Extraction (Ch # 07) Faraz Gohar Mr. Wayne Xie Chem 201 10/02/2012 Objectives : 1)To purify samples of organic compounds that are solids at room temperature. 2)To dissociate the impure sample in the minimum amount of an appropriate hot solvent Chemical Index : Naphthalene; mp 82 *C 1‚4-Dichlorobenzene; mp 56 *C 4-Chloroaniline; mp 68 - 71 *C; pKb 4.15 Ethyl 4-Aminobenzoate; mp 90 *C; pKb 4.92 Procedure :
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Name ______________________________________ Before you begin‚ save this Lab Report Template on your computer as LastNameAPChem7 Title: Acid Base Titration Purpose: To practice titration techniques To perform acid-base titrations To determine the molarity and percent composition of acetic acid in commercial vinegar Materials: |0.1 M sodium hydroxide |24-well reaction plate |toothpicks | |phenolphthalein test paper
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Analysis of Analgesic Tablet by High Performance Liquid Chromatography Abstract An unknown sample‚ 529‚ was tested using high performance liquid chromatography to detect the concentrations of acetaminophen‚ aspirin‚ and caffeine respectively. There was found to be 4.03±0.144mg/100mL of acetaminophen‚ 11.5±0.185mg/100mL of aspirin‚ and 4.89±0.185mg/100mL of caffeine. Based on accepted values‚ the maximum daily amounts of each compound are 4000mg of acetaminophen‚ 520mg of caffeine
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Determining the Properties of Different Acids and Bases Yamin Liu November 16th‚ 2017 Chemistry 1021 Section: 427 Benton Smith Discussion of Results The goals of this experiment were to find the identities of four unknown compounds and to first determine the pH. We then were required to run a series of anion and cation tests to determine the composition of the unknown solutions. To get more knowledge about these solutions we ran a series of dilutions to see if
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