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Analytical 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

sample of AP chemistry choice

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Chemistry
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Acid-base chemistry
Equilibrium chemistry
PH
Solution
Molar concentration
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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

Chemical Equilibria checklist

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Chemistry
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Chemistry
Equilibrium chemistry
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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.

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