AP®STATISTICS 2006 SCORING GUIDELINES (Form B) Question 5. Intent of Question. The primary goals of this question are to assess a student’s ability to: (1) identify the response variable, treatments, and experimental units in a study; (2) critique the use of randomization and replication; (3) recognize and explain why a particular variable ...AP® Chemistry 2004 Free-Response Questions Form B. The materials included in these files are intended for noncommercial use by AP teachers for course and exam preparation; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face ...AP® Chemistry 2003 Scoring Guidelines Form B. The materials included in these files are intended for use by AP teachers for course and exam preparation; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities for noncommercial, face-to-face ...Freedom also means freedom of the press. There’s quite a story behind the story of the end of the fighting in World War II in Europe. As we observe another Memorial Day, it is wort...AP® Chemistry 2007 Free-Response Questions The College Board: Connecting Students to College Success The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,000 schools, colleges, universities, and otherFRQ Notebook from the AP COLLEGE BOARD FRQ Notebook Number 1 all parts a-e Questions - Unit 4 in ap chemistryFRQ Notebook from the AP COLLEGE BOARD FRQ Notebook Skip to document University Hypochlorous acid, HOCl, is a weak acid in water. The Ka expression for HOCl is shown above. Write a chemical equation showing how HOCl behaves as an acid in water. HOCl(aq) + H2O(l) OCl−(aq) + H3O+(aq) →. One point is earned for the correct chemical equation. Calculate the pH of a 0.175 M solution of HOCl. Title: AP Chemistry Scoring Guidelines from the 2019 Exam Administration Author: College Board Subject: AP Chemistry Scoring Guidelines from the 2019 Exam Administration AP® Chemistry 2011 Scoring Guidelines Form B . The College Board . The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the College Board is composed of more than 5,700 schools, colleges, universities and other educational organizations.Antiphospholipid syndrome (APS) is an autoimmune disorder that involves frequent blood clots (thromboses). When you have this condition, your body's immune system makes abnormal pr... 1. Benzoic acid, C6H5COOH, dissociates in water as shown in the equation above. A 25.0 mL sample of an aqueous solution of pure benzoic acid is titrated using standardized 0.150 M NaOH. (a) After addition of 15.0 mL of the 0.150 M NaOH, the pH of the resulting solution is 4.37. Calculate each of the following. AP® CHEMISTRY 2017 SCORING GUIDELINES. Question 1 (continued) (i) Identify all types of intermolecular forces present in HCl(l). Dipole-dipole forces, London dispersion forces. 1 point is earned for both types of forces. 2017 The College Board Visit the College Board on the Web www.collegeboard.org.AsF3(g) + F2(g) (b) In terms of molar concentrations, write the equilibrium-constant expression for the decomposition of AsF5(g). (c) When equilibrium is established, 27.7 …Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. If you are using assistive technology and need help accessing these PDFs in another format, contact Services for Students with Disabilities at 212-713-8333 or by email at [email protected]. The ...Minecraft allows players to build their own worlds — all out of blocks. Think of it like LEGO, but in video game form. Released in 2009, Minecraft remains largely unchanged from th...CH3CH2COOH(aq) + H2O(l) CH3CH2COO (aq) + H3O+(aq) Propanoic acid, CH3CH2COOH, is a carboxylic acid that reacts with water according to the equation above. At 25 C the pH of a 50.0 mL sample of 0.20 M CH3CH2COOH is 2.79. (a) Identify a Brønsted-Lowry conjugate acid-base pair in the reaction.10 points. calculated value: 0.00250 mol CH 3 NH 3 Cl × 67.52 g. 1 mol. = 0.169 g. (b) For a correct description of step 1: Accept one of the following: Use the spatula, balance, and weighing paper to measure out exactly 0.169 g of CH 3 NH 3 Cl( s ) . Use the balance to weigh out the mass of solid in part (a).Download free-response questions from past AP Chemistry exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions.CHEMISTRY. YOU MAY USE YOUR CALCULATOR FOR THIS SECTION. Directions: Questions 1–3 are long free-response questions that require about 23 minutes each to answer and are worth 10 points each. Questions 4–7 are short free-response questions that require about 9 minutes each to answer and are worth 4 points each.AP® CHEMISTRY 2007 SCORING GUIDELINES (Form B) Question 1 (continued) (d) State whether the entropy change, ΔS °, for the reaction at 862°C is positive, negative, or zero. Justify your. answer. ΔS° is positive because four moles of gaseous products are produced from three moles of gaseous reactants.Are humans separate from chimps and other apes? Learn what separates us from chimps. Advertisement Human beings see themselves in everything. We establish emotional connections to ...4. Swirl to dissolve the solid. For the correct step to ensure quantitative dilution: 5. After the solid is dissolved, fill the flask to the calibration ( 200.00 mL ) mark and mix. Total for part (c) (d) For a drawing that shows product formation and indicates the conservation of matter: 1 point.2009 AP Calculus AB (Form B) Exam Free Response Question #3Pretty standard calculus problem.Topics: Limit definition of the derivative, one-sided limits, ave...Want to know how to create a contact form in WordPress? Learn how to do so using a simple WordPress form plugin in this guide. Plus, other plugin options. Installing & Customizing ...The two isomers exist in equilibrium as represented by the equation below. n-butane(g) ̈ Æ isobutane(g) Kc = 2.5 at 25°C. Suppose that a 0.010 mol sample of pure n-butane is …AP® Chemistry 2003 Scoring Guidelines. The materials included in these files are intended for use by AP teachers for course and exam preparation; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities for noncommercial, face-to-face teaching ...What was the last common ancestor of apes and humans? Learn more about new primate research that could answer the question at HowStuffWorks. Advertisement We want to understand whe...a1chemistryFreedom also means freedom of the press. There’s quite a story behind the story of the end of the fighting in World War II in Europe. As we observe another Memorial Day, it is wort... The two isomers exist in equilibrium as represented by the equation below. n-butane(g) ̈ Æ isobutane(g) Kc = 2.5 at 25°C. Suppose that a 0.010 mol sample of pure n-butane is placed in an evacuated 1.0 L rigid container at 25°C. (c) Write the expression for the equilibrium constant, Kc, for the reaction. The term going private refers to a company's departure from listing shares on any exchange. The term going private refers to a company&aposs departure from listing shares on any ex...(b) Calculate the number of moles of O 2 (g) produced in the reaction. (c) Calculate the mass, in grams, of H 2 O 2 that decomposed. (d) Calculate the percent of H 2 O 2 , by mass, in the original 6.951 g aqueous sample. (e) Write the oxidation number of the oxygen atoms in H 2 O 2 and the oxidation number of the oxygen atoms in O The diagram below shows a galvanic cell based on the reaction. Assume that the temperature is 25°C. (d) The diagram includes a salt bridge that is filled with a saturated solution of KNO3. Describe what happens in the salt bridge as the cell operates. (e) Determine the value of the standard voltage, E°, for the cell. (b) Write the equation for the overall reaction that occurs in the cell. (c) Identify the anode in the cell. Justify your answer. (d) On the diagram above, use an arrow to clearly indicate the direction of electron flow as the cell operates. (e) Calculate the value of the standard reduction potential for the Tl+/Tl half-reaction.(b) Calculate the number of moles of O 2 (g) produced in the reaction. PV = nRT ⇒ n = PV RT P = 741.0 torr × 1 atm 760 torr = 0.9750 atm T = 273.15 + 23.4°C = 296.6 K V = 182.4 mL × 1 L 1,000 mL = 0.1824 L O2 n = PV RT = 11 (0.9750 atm)(0.1824 L) (0.0821 L atm mol K )(296.6 K)--= 7.304 × 10–3 mol One point is earned for the correct ...(b) Calculate the number of moles of O 2 (g) produced in the reaction. (c) Calculate the mass, in grams, of H 2 O 2 that decomposed. (d) Calculate the percent of H 2 O 2 , by mass, in the original 6.951 g aqueous sample. (e) Write the oxidation number of the oxygen atoms in H 2 O 2 and the oxidation number of the oxygen atoms in O7. Answer the following questions that relate to the chemistry of nitrogen. (a) Two nitrogen atoms combine to form a nitrogen molecule, as represented by the following equation. 2 N(g) N2(g) Using the table of average bond energies below, determine the enthalpy change, H, for the reaction. Bond.You need not include any calculations with your answer. CH4(g) + 2 Cl2(g) → CH2Cl2(g) + 2 HCl(g) 3. Methane gas reacts with chlorine gas to form dichloromethane and …Methane gas reacts with chlorine gas to form dichloromethane and hydrogen chloride, as represented by the equation above. (a) A 25.0 g sample of methane gas is placed in a …E° = ^(reduced species) - E°(oxidized species) = 1.36 V - 1.07 V = +0.29 V. Because E° for the reaction has a positive value, the reaction is thermodynamically favorable. point is earned for the correct balanced equation. point is earned for the correct calculation of E°. Br2 and Cl2 can react to form the compound BrCl. Questions 1–3 are long free-response questions that require about 23 minutes each to answer and are worth 10 points each. Questions 4–7 are short free-response questions that require about 9 minutes each to answer and are worth 4 points each. For each question, show your work for each part in the space provided after that part. 1. AP® Chemistry 2009 Free-Response Questions Form B The College Board The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,600 schools, colleges, universities and other educational …GM and LG Chem announced Friday plans to build a second U.S. battery cell factory — a $2.3 billion facility in Spring Hill, Tennessee that will supply the automaker with the cells ...The College Board. The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,600 schools, colleges, universities and other educational organizations. Each year, the College Board serves seven million students ...1. Answer the following questions that relate to solubility of salts of lead and barium. (a) A saturated solution is prepared by adding excess PbI2(s) to distilled water to form 1.0 L of solution at 25 °C. The concentration of Pb2+(aq) in …1. Solid carbon and carbon dioxide gas at 1,160 K were placed in a rigid 2.00 L container, and the reaction represented above occurred. As the reaction proceeded, the total pressure in the container was monitored. When equilibrium was reached, there was still some C(s) remaining in the container.Incfile offers free LLC formation, a registered agent, compliance, and startup services in one place. All for $0 plus the state fee to start. Filing costs for forming an LLC range ...Download free-response questions from past AP Chemistry exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions. 2 H2(g) + O2(g) 2 H2O(l) In a hydrogen-oxygen fuel cell, energy is produced by the overall reaction represented above. (a) When the fuel cell operates at 25°C and 1.00 atm for 78.0 minutes, 0.0746 mol of O2(g) is consumed. Calculate the volume of H2(g) consumed during the same time period. (b) Calculate the number of moles of O 2 (g) produced in the reaction. (c) Calculate the mass, in grams, of H 2 O 2 that decomposed. (d) Calculate the percent of H 2 O 2 , by mass, in the original 6.951 g aqueous sample. (e) Write the oxidation number of the oxygen atoms in H 2 O 2 and the oxidation number of the oxygen atoms in OAP® Chemistry 2002 Scoring Guidelines. The materials included in these files are intended for use by AP teachers for course and exam preparation in the classroom; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face teaching ...The Yuga Labs digital land sale this weekend, a mass mint of new NFTs that temporarily clogged the Ethereum blockchain, is not just making money for the company behind the new set ...2009 AP® CHEMISTRY FREE-RESPONSE QUESTIONS (Form B) 6 . Answer the following questions about electrochemical cells. Slideshow 2494619 by kaloni. Browse. Recent Presentations; Recent Stories; ... 2009 AP® CHEMISTRY FREE-RESPONSE QUESTIONS (Form B) Jul 27, 2014. 60 likes | 247 Views .Title: AP Chemistry Scoring Guidelines from the 2019 Exam Administration Author: College Board Subject: AP Chemistry Scoring Guidelines from the 2019 Exam AdministrationAP CHEMISTRY 2009 SCORING GUIDELINES (Form B) Question 3 (10 points) 2 H 2 O 2 (aq) 2 H 2 O(l) + O 2 (g) The mass of an aqueous solution of H 2 O 2 is 6.951 g. ... AP Chemistry 010 Free-Response Questions Form B The College Board The College Board is a not-for-profit membership association whose mission is to connect students to …AP Central is the online home for AP teachers: apcentral.collegeboard.com. C(s) + CO2(g) 2 CO(g) ←. Solid carbon and carbon dioxide gas at 1,160 K were placed in a rigid 2.00 L container, and the reaction represented above occurred. As the reaction proceeded, the total pressure in the container was monitored.Good morning, Quartz readers! Good morning, Quartz readers! A$AP Rocky awaits his verdict. The American rapper, whose real name is Rakim Meyers, was detained and charged with assau...What makes humans human? How are we different from the other great apes? Find out what makes humans human in this article from HowStuffWorks. Advertisement Scientists speculated in...AP® Chemistry 2009 Free-Response Questions Form B The College Board The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,600 schools, colleges, universities and other educational organizations.The College Board. The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,600 schools, colleges, universities and other educational organizations. Each year, the College Board serves seven million students ... College Board Questions 1–3 are long free-response questions that require about 23 minutes each to answer and are worth 10 points each. Questions 4–7 are short free-response questions that require about 9 minutes each to answer and are worth 4 points each. For each question, show your work for each part in the space provided after that part.Answer Question 1 below. The Section II score weighting for this question is 20 percent. 1. Answer the following questions relating to the solubility of the chlorides of silver and lead. (a) At 10°C, 8.9 10− 5 g of AgCl(s) will dissolve in 100. mL of water. Write the equation for the dissociation of AgCl(s) in water.Chemistry; Chemistry questions and answers; This is question 6, part B form the 2009 AP Chem FRQ. I understand the equation but am confused about where the enot vaue for the reduction is coming from (0.8). Any explanation would be appreciated thank you.One point is earned for showing point B to the right of point A on the SRPC. 1 point: One point is earned for stating that transfer payments will increase because more people will apply for government benefits. 2 points: One point is earned for drawing a correctly labeled graph of the loanable funds market.Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. If you are using assistive technology and need help accessing these PDFs in another format, contact Services for Students with Disabilities at 212-713-8333 or by email at [email protected]. The ...AP® Chemistry 2002 Scoring Guidelines Form B. The materials included in these files are intended for use by AP teachers for course and exam preparation in the classroom; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face ...Questions 1–3 are long free-response questions that require about 23 minutes each to answer and are. worth 10 points each. Questions 4–7 are short free-response questions that require about 9 minutes each to answer. and are worth 4 points each. Write your response in the space provided following each question.Filling out a W4 form doesn't have to be complicated. Use this post to prepare yourself to effectively fill out your W-4 form. Filling out a W4 form doesn't have to be complicated.... AP® Chemistry 2011 Scoring Guidelines Form B . The College Board . The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the College Board is composed of more than 5,700 schools, colleges, universities and other educational organizations. The mixture of the hydrocarbon and oxygen is sparked so that a complete combustion reaction occurs, producing CO2(g) and H2O(g). The partial pressures of these gases at 127°C are 0.600 atm for CO2(g) and 0.800 atm for H2O(g). There is O2(g) remaining in the container after the reaction is complete.One point is earned for showing point B to the right of point A on the SRPC. 1 point: One point is earned for stating that transfer payments will increase because more people will apply for government benefits. 2 points: One point is earned for drawing a correctly labeled graph of the loanable funds market.Building or breaking a new habit in 21 days is a myth. But recent research suggests that it can take about 59 to 70 days for someone to form a new habit. How long does it take to f...2009 AP® CHEMISTRY FREE-RESPONSE QUESTIONS (Form B) © 2009 The College Board. All rights reserved. Visit the College Board on the Web: www.collegeboard.com. …Directions: Questions 1–3 are long free-response questions that require about 23 minutes each to answer and are worth 10 points each. Questions 4–7 are short free-response questions that require about 9 minutes each to answer and are worth 4 points each. Write your response in the space provided following each question.CHEMISTRY. YOU MAY USE YOUR CALCULATOR FOR THIS SECTION. Directions: Questions 1–3 are long free-response questions that require about 23 minutes each to answer and are worth 10 points each. Questions 4–7 are short free-response questions that require about 9 minutes each to answer and are worth 4 points each.Bored Apes Yacht Club maker Yuga Labs announced Friday that they have acquired the rights to the CryptoPunks and Meebits NFT collections from creator Larva Labs. Bored Apes and Cry...2021 FRQ. AP ChemistryPage 3 of 18. (f) A student claims that condenses at a much lower temperature than because has stronger intermolecular forces than does. There are two errors in the student’s reasoning. Identify the student’s errors and explain your answer in terms of the specific types of forces involved.AP FRQ WORKED ANSWER ARCHIVE. Here you’ll find links to worked answers to FRQs from previous AP Chemistry exams. Every released FRQ from 1990 to 2023 has a worked answer. 2020 was a COVID interrupted year, and no formal exam questions were released into the public domain by the College Board, although AP teachers do have access to …The College Board. The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,600 schools, colleges, universities and other educational organizations. Each year, the College Board serves seven million students ...Can calculate molrxn from the balanced equation and given info. q / molrxn = deltaHrxn. If you double the number of moles, the amount of energy released will also double, so per mol energy is the same. H2O (l) does not dissociate in the net ionic. Study with Quizlet and memorize flashcards containing terms like #1 (e) (ii), #1 (f), #1 (g) and more.1. Solid carbon and carbon dioxide gas at 1,160 K were placed in a rigid 2.00 L container, and the reaction represented above occurred. As the reaction proceeded, the total pressure in the container was monitored. When equilibrium was reached, there was still some C(s) remaining in the container.Answer Questions 1, 2, and 3. The Section II score weighting for each question is 20 percent. HF(aq) + H2O(l ) H3O+(aq) + F (aq) Ka = 7.2 u 10 4. 1. Hydrofluoric acid, HF(aq), dissociates in water as represented by the equation above. Write the equilibrium-constant expression for the dissociation of HF(aq) in water.What was the last common ancestor of apes and humans? Learn more about new primate research that could answer the question at HowStuffWorks. Advertisement We want to understand whe... 2009 SCORING GUIDELINES (Form B) Question 1 (10 points) A pure 14.85 g sample of the weak base ethylamine, C2H5NH2 , is dissolved in enough distilled water to make. 500. mL of solution. (a) Calculate the molar concentration of the C2H5NH2 in the solution. 1 mol. Do you want to practice your AP Chemistry skills and prepare for the exam? Check out this document that contains the 2009 free-response questions form B, with detailed answers and explanations. You will find challenging problems on topics such as acid-base reactions, equilibrium constants, electrochemistry, and more. (b) Calculate the number of moles of O 2 (g) produced in the reaction. (c) Calculate the mass, in grams, of H 2 O 2 that decomposed. (d) Calculate the percent of H 2 O 2 , by mass, in the original 6.951 g aqueous sample. (e) Write the oxidation number of the oxygen atoms in H 2 O 2 and the oxidation number of the oxygen atoms in O Assuming that no heat energy is lost from the calorimeter and given that the calorimeter has a negligible heat capacity, the sum of the heat of dissolution, qsoln and the change in heat energy of the urea-water mixture must equal zero. qsoln + mcΔT = 0. ⇒. qsoln = − mcΔT. msoln = 5.13 g + 91.95 g = 97.08 g. AP® Chemistry 2004 Free-Response Questions Form B. The materials included in these files are intended for noncommercial use by AP teachers for course and exam preparation; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face ...AP® Chemistry 2003 Scoring Guidelines. The materials included in these files are intended for use by AP teachers for course and exam preparation; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities for noncommercial, face-to-face teaching ...Taxpayers must file Form 1099-R to report the distribution of pension and annuity benefits. Here’s what you need to know. When tax season rolls around, your mailbox might fill up w...2009 AP Calculus AB (Form B) Exam Free Response Question #3Pretty standard calculus problem.Topics: Limit definition of the derivative, one-sided limits, ave...
Do you want to practice your AP Chemistry skills and prepare for the exam? Check out this document that contains the 2009 free-response questions form …. Craigslist alaska eagle river
Two points are earned for the correct oxidation numbers (1 point each). (f) Write the balanced oxidation half-reaction for the reaction. H2O2(aq) → O2(g) + 2 H+(aq) + 2 e−. One point is earned for the correct reactant and products. One point is earned for correct balancing. AP®CHEMISTRY 2009 SCORING GUIDELINES (Form B)Methane gas reacts with chlorine gas to form dichloromethane and hydrogen chloride, as represented by the equation above. (a) A 25.0 g sample of methane gas is placed in a reaction vessel containing 2.58 mol of Cl2(g). (i) Identify the limiting reactant when the methane and chlorine gases are combined.AP® Chemistry 2007 Free-Response Questions Form B The College Board: Connecting Students to College Success The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,000 schools, colleges, universities, and other Directions: Questions 1–3 are long free-response questions that require about 23 minutes each to answer and are worth 10 points each. Questions 4–7 are short free-response questions that require about 9 minutes each to answer and are worth 4 points each. Write your response in the space provided following each question. The Yuga Labs digital land sale this weekend, a mass mint of new NFTs that temporarily clogged the Ethereum blockchain, is not just making money for the company behind the new set ...7. Answer the following questions that relate to the chemistry of nitrogen. (a) Two nitrogen atoms combine to form a nitrogen molecule, as represented by the following equation. 2 N(g) N2(g) Using the table of average bond energies below, determine the enthalpy change, H, for the reaction. Bond.Answer Questions 1, 2, and 3. The Section II score weighting for each question is 20 percent. HF(aq) + H2O(l ) H3O+(aq) + F (aq) Ka = 7.2 u 10 4. 1. Hydrofluoric acid, HF(aq), dissociates in water as represented by the equation above. Write the equilibrium-constant expression for the dissociation of HF(aq) in water.Support your answer with a calculation. 2 H2(g) + O2(g) o 2 H2O(l ) 3. In a hydrogen-oxygen fuel cell, energy is produced by the overall reaction represented above. When the fuel cell operates at 25qC and 1.00 atm for 78.0 minutes, 0.0746 mol of O2(g) is consumed.a= 6.46 × 10–5. 1. Benzoic acid, C. 6H. 5COOH, dissociates in water as shown in the equation above. A 25.0 mL sample of an aqueous solution of pure benzoic acid is titrated using standardized 0.150 MNaOH. (a) After addition of 15.0 mL of the 0.150 MNaOH, the pH of the resulting solution is 4.37. Calculate each of the following.AP® Physics B 2009 Free-Response Questions Form B. The College Board. The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,600 schools, colleges, universities and other educational organizations.Write the rate law for the overall reaction. rate = k [B]2. One point is earned for the correct rate law (or a rate law consistent with the answers in part (a) and part (b)). GUIDELINES (Form B) Question 2 (continued) (d) Determine the value of the rate constant, k, for the reaction. Include units with your answer.AP® Chemistry 2003 Free-Response Questions Form B. The materials included in these files are intended for use by AP teachers for course and exam preparation; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities for noncommercial, face-to-face ...In a hydrogen-oxygen fuel cell, energy is produced by the overall reaction represented above. When the fuel cell operates at 25qC and 1.00 atm for 78.0 minutes, 0.0746 mol of O2(g) is consumed. Calculate the volume of H2(g) consumed during the same time period. Express your answer in liters measured at 25qC and 1.00 atm..
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