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Physical chemistry

Math review

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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

1.07 Assignment Chemistry I Honors

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Chemistry
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Physics
thermodynamics
measurement
Introductory physics
Physical quantities
Laboratory glassware
Density
Physical chemistry
Measuring instrument
Graduated cylinder
Water vapor
Volume
health

01.07 Accuracy and Precision: Balance Lab Worksheet Before You Begin:?You may either copy and paste this document into a word processing program of your choice or print this page. Procedure Access the?virtual lab?and complete the experiments.? Data Below is the table that you will complete for the virtual lab. Either type your results into this table or print the table from the virtual lab (it must be submitted to receive full credit for this assignment.) To print from the virtual lab. Be sure the data table is viewable. Right-click (PC) or Command-Click (Mac) on the table and select print. PART I- Density of Unknown Liquid TRIAL 1 TRIAL 2 TRIAL 3 Mass of Empty 10 mL graduated cylinder (grams) 26.0 25.5 25.4 Volume of liquid (milliliters) 8.7 8.6 8.6

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

SAT Chem Notes

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Chemistry
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Chemistry
Electromagnetism
Physics
Physical chemistry
Electrochemistry
Hydrogen production
Electrodes
Electricity
Electrolytic cell
Electrolysis
Cathode
Anode
Technology

Redox and Electrochemistry Water solutions of certain substances conduct an electric current ?These substances are lectrolytes It is a sustance that dissolves in water to form a solution that will conduct an electric current If it does not coduct at all?Nonelectrolytes The reason that substances vary in their ability to conduct is related to number of ions in solution Ionic lattice substances?Sodium chloride?Dissociated by water molecules so that the individual positive and negative ions are dispresed throughout the solution Covalent bond?Degree of polarity determines the extent to which it will be ionized Water molecules help waken and finally break the polar covalent bonds Ionization? When ions are formed Dissociation?Ionic lattice comes apart

Chemical Equilibria checklist

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Chemistry
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Chemistry
Equilibrium chemistry
Physical chemistry
Analytical chemistry
Chemical engineering
Equilibrium constant
Chemical equilibrium
Stoichiometry
Reaction quotient
Le Chatelier's principle
Chemical Equilibria

South Pasadena ( AP Chemistry [Keep for Reference] 16 ( Chemical Equilibria BLUFFER?S GUIDE ? 1. aA +bB + . . . rR +sS + . . . Kc = and for gases: Kp = 2. K > 1 products favored K < 1 reactants favored 3. Excluded: solids; pure liquids; water (in aqueous solutions) because their [ ]?s do not change. 4. Convert from Kc to Kp Kp = Kc(RT)(n where (n = moles of gaseous product ? moles of gaseous reactant. 5. Typical question: Given Kc and the starting concentrations of reactants, find concentrations of products at equilibrium. Example: Kc for acetic acid = 1.8 x 10-5. What is the equilibrium concentration of [H+] in a 0.100 M solution of the acid? 6. Equilibrium constant for a reverse reaction = the value of the forward reaction.

Chemical Kinetics: Rates of Reaction review sheet

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Chemistry
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Physical chemistry
Chemical kinetics
Chemistry
Reaction rate
Catalysis
Rate equation
Activation energy
Reaction mechanism
Order of reaction
Rate-determining step
Arrhenius equation
Collision theory
Rates of reaction

South Pasadena ? AP Chemistry [Keep for Reference] 15 ? Chemical Kinetics: Rates of Reaction DRAFT-- A B L U F F E R ? S G U I D E ? ? How to talk about Reaction Rate rate = ([chemical]/(time Common Units: M/s, mol?L-1?s-1 rate of disappearance of reactant or rate of appearance of product use coefficients to change one rate to another Reaction: 2A + 3B ( 4C = = watch your signs (([React.] = -([Prod.]) From a graph of [R] vs time Average rate is the slope of a segment. Instantaneous rate is slope of the tangent. Initial rate is often used.? ? How to Speed Up a Reaction [Use Collision Theory, Kinetic Molecular Theory] increase the concentration of reactants - increase molarity of solutions - increase partial pressure of gases

AP Bio Chapter 3 notes

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Biology
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SocialTags: 
Chemistry
Chemical bonding
Intermolecular forces
Inorganic solvents
Oxides
Water
Properties of water
Hydrogen bond
Chemical polarity
Oxygen
Chemical bond
Cohesion
Technology
Tags: 
Chemistry
Chemical bonding
Physical chemistry
Inorganic solvents
Oxides
Solutions
Properties of water
Hydrogen bond
water
Hydrogen
Chemical bond
Chemical polarity
Environment
Technology

Chapter 3 ? Water & Fitness of the Environment Effect of Water?s Polarity Polarity of water causes hydrogen bonding Water is made up of 2 hydrogen and 1 oxygen; held together by 1 covalent bond Oxygen is slightly negative and hydrogen is slightly positive ?> polarity Polarity causes hydrogen to be attracted to other oxygen molecules, creating hydrogen bonds; each molecule can be connected to 4 other molecules 4 properties of water Water?s cohesion Stabilization of temperature Expansion upon freezing Versatility as a solvent Cohesion of water molecules Hydrogen bonds keep water molecules sticking together - hydrogen bonds are very weak; they form and reform with great frequency Cohesion: the process in which hydrogen bonds hold the substances together

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