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PH

Acids and Bases

Subject: 
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

Math review

Subject: 
Biology
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Chemistry
Solutions
Equilibrium chemistry
Physical chemistry
Analytical chemistry
Chemical properties
PH
Base
Properties of water
Osmotic pressure
Molar concentration

AP Biology Math Review 2013 Take out an APPROVED calculator and formula sheet. 2) Pick a grid sheet. You will solve each problem and grid in the answer. 3) Timing ? 1 min 20 seconds average Tips Grid LEFT to right Use the formula sheet Don?t round until the end Look at HOW the answer should be given ?round to nearest?? .123 The 1 is in the tenths place The 2 is in the hundredths place The 3 is in the thousandths place Q1: Chi Square A hetero red eyed female was crossed with a red eyed male. The results are shown below. Red eyes are sex-linked dominant to white, determine the chi square value. Round to the nearest hundredth. 66 White Eyes 134 Red Eyes # flies observed Phenotype 3 min Chi Square Strategy Given?observed

Blue Light

Subject: 
Biology
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Chemistry
PH indicators
Bromothymol blue
Cresols
Equilibrium chemistry
PH
Elodea
health
Hospitality

Title: Blue Light Date: September 14, 2010 Name: Ciar?n McGirr Purpose Hypothesis- If the light wave length is changed then the rate of photosynthesis will slow down Prediction- The blue light will slow down the rate of photosynthesis as evidence by the pH level. Materials Beaker Colored Cellophane Test Tubes Distilled Water Graduated Cylinder Tape Bromothymol Blue Tap Water pH Probe 2 Sprigs of Elodea Thermometer Probe Drinking Straw Fluorescent Lamp Procedure Place 125 mL of distilled water into a test tube Place a straw into the test tube and blow into the tube through the straw for 3 minutes Add 2.5 mL of bromothymol into the beaker Place Elodea into the test tube Use pH probe to test the pH level Place the test tube into 300 mL of water

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

Campbell Biology Chapter 3 outline

Subject: 
Biology
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Chemistry
Bases
Equilibrium chemistry
Inorganic solvents
Acids
Oxides
Properties of water
Hydronium
PH
Hydrogen bond
Water
Hydrogen
Tags: 
Chemistry
Bases
Equilibrium chemistry
Inorganic solvents
Acids
Oxides
Properties of water
Hydronium
water
PH
Hydrogen bond
Solution
#AP Bio #CampbellBiology #Chapter 3 #Outline

CHAPTER 3 ? WATER AND LIFE THE MOLECUES THAT SUPPORT ALL OF LIFE Water is the only natural substance to exist in all 3 states of matter: Solid Liquid Gas WATER molecule is a polar molecule It has a positive and a negative end It can make up to 4 Hydrogen bonds that break and reform instantaneously. 4 Emergent properties of water COHESION The linking together of like molecules, often by hydrogen bonds. Water sticks to itself Adhesion- water sticks to something else Surface Tension ? A measure of how difficult it is to stretch or break the surface of a liquid. Water has a high surface tension because of the hydrogen bonding of surface molecules MODERATION OF TEMPERATURE BY WATER HEAT AND TEMPERATURE Kinetic Energy ?

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