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Acid-base chemistry

CHEM 1A midterm 2

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Chemistry
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Chemistry
Equilibrium chemistry
Bases
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Acids
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Tannic acid
Acid dissociation constant
Caffeine
Ammonia
PH
Buffer solution

Chemistry 1A, Fall 2011 Midterm Exam #2 October 18, 2011 (90 min, closed book) Name:__________________________________ SID:___________________________________ GSI Name:________________ ? The test consists of 4 short answer questions and 23 multiple choice questions. ? Put your written answers in the boxes provided. Answers outside the boxes will NOT be considered in grading. ? Write your name on every page of the exam. Question Page Points Score Multiple Choice 2-8 76 Cabbage juice 2 6 Kitty Litter 3 6 Nicotine 5 4 Caffeine 7 8 Total 100

CHEM 1A midterm 1 key

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Chemistry
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Chemistry
Equilibrium chemistry
Bases
Acids
Smoking
Acid-base chemistry
Acid dissociation constant
Nicotine
Tannic acid
Caffeine
PH
Buffer solution
health

Chemistry 1A, Fall 2011 Midterm Exam #2 October 18, 2011 (90 min, closed book) Name:__________________________________ SID:___________________________________ GSI Name:________________ ? The test consists of 4 short answer questions and 23 multiple choice questions. ? Put your written answers in the boxes provided. Answers outside the boxes will NOT be considered in grading. ? Write your name on every page of the exam. Question Page Points Score Multiple Choice 2-8 76 Cabbage juice 2 6 Kitty Litter 3 6 Nicotine 6 4 Caffeine 8 8 Total 100 Useful Equations and Constants: pH = - log[H+] pX = - log X X = 10-pX Kw = 1?10-14 at 25?C PV = nRT ][ ][ log HA A pKpH a ?

Chem Notes

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Chemistry
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Acid-base chemistry
Acid
Chemistry
Science
Chemical nomenclature
Nature
Inorganic chemistry
IUPAC nomenclature of inorganic chemistry
Technology

10/25/13 Chem notes ACIDS- Contains H+ Naming: Hydro- last element name-ic acid Ate -> ic Ite -> ous
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Acids and Bases

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Chemistry
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Chemistry
Bases
Acid-base chemistry
Equilibrium chemistry
Acids
Chemical compounds
Acid–base reaction
Acid
Neutralization
Titration
PH
Chemical reaction
Periodic Table
Structure

Unit 7: Acid and Bases Acid Base Lemonade Dressing Vinegar Drain-0 Arm-n-Hammer Arrhenius Acids: When in a solution, they donate protons (H+) A proton in water becomes a ?hydronium? ion H3) SameEx) HCL (aq) H+(aq) + Cl-(aq) HCl(l) + H2) H30+(aq) + Cl- Acids cause indicators to change color (Table M) Ex) Bromthymol blue, litmus, phenolphthalein Sour Taste (ex. Citric acid) pH<7 (0-7) (pure acid 100%) Measure of H+ concentration p= power (pH. If [H+} = 1 X 10-7 All acids dissolve metal to produce H2 gas (corrosive) chemically dissolve A neutralization reaction occurs b/t an acid and a base to form a salt and water Arrhenius Base: When in a solution, they donate hydroxide ions (OH-) to the solution

BIO 101 MOCK EXAM 1

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Biology
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organelles
Membrane biology
Acid-base chemistry
Chemical bonding
Cell Biology
Cell membrane
metabolism
Amino acid
Acid
Hydrogen bond
chemistry of life

Bio 101- Sparace Fall 2013 Mock Exam 1: Chpt 2-7 15 / P / 30.973761 What is the atomic mass of Phosphorus? 5 8 15 30.973761 How many valence electrons does Phosphorus have? 2 5 8 15 Which of the following is NOT one of the four elements that make up 90% of living matter? Carbon Oxygen Helium Nitrogen Hydrogen What are the subatomic particles that make up atoms? Px, Py, and Pz Protons, neutrons, and electrons Anions, cations, and nutrions Carbon, oxygen, and hydrogen What is the sum of protons and neutrons? Atomic number Nuclear ratio Electronegativity Atomic mass Which bonds rely on the equal or unequal sharing of electrons? Hydrogen Bonds

AP BIOLOGY LAB ISOPODS

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Biology
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Phyla
Protostome
Chemistry
Acid-base chemistry
Bug
Combined oral contraceptive pill
Software bug
Armadillidiidae
Isopoda
Woodlouse
PH

Kassidy L. Davis AP Biology 07/01/13 The Reaction of Isopods to Differences in pH Purpose: The purpose of this lab is to observe characteristics of terrestrial isopods, also known as pill bugs, and to design and conduct an experiment to determine and examine their responses to different environmental factors.

sample of AP chemistry choice

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Chemistry
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Chemistry
Physical chemistry
Analytical chemistry
Chemical properties
Acid-base chemistry
Equilibrium chemistry
PH
Solution
Molar concentration
Apparent molar property
health

Directions: Each set of lettered choices below refers to the numbered questions or statements immediately following it.Selet the one lettered choice that best answers each question or best fits statement and fill in the corresponding oval on the answer sheet. A choice may be used once, more than once, or not at all in each set. Questions 1-4 refer to the following solution. (A) A solution with a pH of 1 (B) A solution with a pH of greater than 1 and less than 7 (C) A solution with a pH of 7 (D) A solution with a pH of greater than 7 and less than 13 (E) A solution with a pH of 13 For CH3COOH, Ka = 1.8?10-5 For NH3, Kb = 1.8?10-5 1. A solution prepared by mixing equal volumes of 0.2-molar HCl and 0.2-molar NH3

Chapter 16 Powerpoint

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Chemistry
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Chemistry
Acid-base chemistry
Bases
Equilibrium chemistry
Acids
Chemical compounds
Acid
Taste
Brønsted–Lowry acid–base theory
Ether
Education
Tags: 
Chemistry
Acids
Equilibrium chemistry
Bases
Acid-base chemistry
Acid–base reaction
Acid strength
Acid dissociation constant
Acid
Brønsted–Lowry acid–base theory
Carboxylic acid
Lewis acids and bases
education

Acid-Base Equilibria Priyal Patel 0 period 16.1 Acids and Bases: A Brief Review Acids have a sour taste and cause certain dyes to change color Sour taste Linked to H+ ions Bases are bitter and feel slippery Bitter taste Feel slippery Linked to OH- ions When acids and bases are mixed in certain proportions, their characteristics disappear altogether 16.2 Bronsted-Lowry Acids and Bases Danish Chemist Johannes Bronsted and English chemist Thomas Lowry proposed a definition of acids and bases Based on the fact that acid-base reactions involve the transfer of H+ ions from one substance to another. The H+ Ion in Water An H+ is a proton with no surrounding valence electrons This proton bonds interacts with nonbonding electrons of water molecules to form hydrated hydrogen ions.

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