CHEMISTRY . Section II 7 Questions . Time—90 minutes YOU MAY USE YOUR CALCULATOR FOR THIS SECTION. Directions: Questions 1–3 are long free-response questions that require about 20 minutes each to answer and are worth 10 points each. Questions 4–7 are short free-response questions that require about 7 minutes each to …AP ® Chemistry Scoring Guidelines ... Long Answer 10 points ... Scoring Guidelines; scoring information; free-response scoring criteria; scoring resources; FRQ ... Answer the following questions that relate to the chemistry of halogen oxoacids. (a) Use the information in the table below to answer part (a)(i). Acid K a at 298 K HOCl 2.9 × 10−8 HOBr 2.4 × 10−9 (i) Which of the two acids is stronger, HOCl or HOBr ? Justify your answer in terms of K a. HOCl is the stronger acid because its Ka valueQuestion 1 student performs an experiment to determine the value of the enthalpy change, D Hrxn for the oxidation-reduction reaction represented by the balanced equation above. …2019 AP ® CHEMISTRY FREE-RESPONSE QUESTIONS . GO ON TO THE NEXT PAGE. -5-CHEMISTRY . Section II . Time—1 hour and 45 minutes . 7 Questions . 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 …3. (a) 1s22s22p63s23p63d6 OR [Ar]3d6 1 point for the correct electron configuration (b) The radius of Fe2+ is greater than the radius of Fe3+ due to the additional electron-electron repulsions between the two paired d-orbital electrons in Fe2+. 1 …AP Chemistry Practice Exam From the 2 016 Administration NOTE: This is a modified version of the 2016 AP Chemistry Exam. This exam ma y no t be posted on school or persona l websites , no r electronically redistribute d fo r an y reason . Thi s Released Exa m is provided by th e Colleg e Boar d for AP Exam preparation . Teacher s ar e permitted to …FRQ Types on the AP Chemistry Exam. Section II on the AP Chemistry exam will follow a particular format. The first three FRQs are long questions worth 10 points each. The last four FRQs are short questions worth 4 points each. The FRQs will cover concepts and topics from all of the big ideas taught in AP Chemistry.AP chem test 2019. The rate between CaCO3 and CH3COOH is determined by measuring the volume of gas generated at 22 C and 1 atm as a function of time. Which of the following experimental conditions is most likely to increase the rate of gas production? D) Decreasing the particle size of the CaCO3 by grinding it into a fine powder.AP® CHEMISTRY 2011 SCORING GUIDELINES . Question 1 . 1. Each of three beakers contains 25.0 mL of a 0.100 M solution of HCl, NH 3, or NH 4 Cl, as shown above. Each solution is at 25°C. (a) Determine the pH of the solution in beaker 1. Justify your answer. pH = -log[H +] = -log(0.100) = 1.000. 1 point is earned for the correct pH.AP Classroom Question Bank is a powerful online resource that allows you to create customized practice tests for your AP Chemistry students. You can choose from thousands of questions aligned to the course and exam framework, adjust the difficulty level, and add your own feedback. AP Classroom Question Bank helps you prepare your students for the AP Chemistry exam with confidence and ease.1. A) Identify the hybridization of the valence orbitals of the carbon atom in the urea molecule. sp^2 1. B) Urea has a high solubility in water, due in part to its ability to form hydrogen bonds. A urea molecule and four water molecules are represented in the box below.2019: Free-Response Questions 2018: Free-Response Questions 2017: Free-Response Questions 2016: Free-Response Questions 2015: Free-Response Questions 2014: Free-Response Questions Download free-response questions from past AP Chemistry exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions.AP Chemistry 2017 FRQ answers. These are the answers I worked out for them, please disagree/agree with me below: 1Ai) 0.31mol cl2 II) 7.9g cs2. Bi) more collisions Bc higher frequency at higher temperature. Also more effective collisions taking place Bii) I drew the line below the curve. ci) cl-s-s-cl with no double bonds, just dots filled ...Question 1: Short-Answer 1000 100 10 1 Binding Energy (MJ/mol) 0.1 The complete photoelectron spectrum of an unknown element is given above. Draw an X above the peak that corresponds to the orbital with electrons that are, on average, closest to the nucleus. Justify your answer in terms of Coulomb's law.Dr V shares her tips and strategies for answering free response question #6 from the 2019 released AP Chemistry exam.16 Jul 2023 ... Check out the 2023 AP Chemistry Free-Response Section posted on the College Board site. ... 2019 FRQ: Number 3, part (a)-(e) asks a ...College Boar d, Ad vanced Placement, AP, AP Centr al, and t he acorn logo ar e regist ered tr ademarks of the College Boar d. Visit the Colleg e Board on the web: colleg eboard.or g.AP® CHEMISTRY 2019 SCORING COMMENTARY Question 5 Note: Student samples are quoted verbatim and may contain spelling and grammatical errors. Overview This question uses a photoelectron spectrum as the focal point of questions about electron configuration, chemical Free-Response Questions. 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 ssd@info ...AP ® Chemistry Scoring Guidelines ... Long Answer 10 points ... Scoring Guidelines; scoring information; free-response scoring criteria; scoring resources; FRQ ... Dr V shares her explanation for free response question #5 from the 2019 AP Chemistry exam. AP Chemistry.2019 . AP ® Biology. Free-Response Questions ... answers. You may begin writing your responses before the reading period is over. Write your response in the space provided for each question. Only material written in the space provided will be scored. Answers must be written out in paragraph form. Outlines, bulleted lists, or diagrams alone are ...AP® STATISTICS 2019 SCORING GUIDELINES Question 1 (continued) • Spread: A response recognizing all values in the sample fall between 100 and 350 square feet (or between 134 and 315 square feet ) satisfies component 3 only for these exact endpoints and need not appeal to a specific measure of spread such as range or interquartile range (IQR).AP Central is the official online home for the AP Program: apcentral.collegeboard.org. ... Title: Chemistry Scoring Guidelines 2015 Author: ETS Subject: Chemistry ... Dr V shares her tips and advice for answering free response question #7 from the 2019 AP Chemistry exam. Be sure to write all your answers to the questions on the lined pages following each question in the booklet with the pink cover. Do NOT write your answers on the green insert. Answer Questions 1, 2, and 3. The Section II score weighting for each question is 20 percent. HF(aq) + H 2 O(l) H 3 O +(aq) + F (aq) K a = 7.2 u 10 4 1.AP MCQ ARCHIVE. Here you’ll find links to the released MCQs from previous AP Chemistry exams. Here’s the FRQ Archive page. Other MC exams have been released by the College Board, but they are considered ‘secure’ (yes I know that’s naive and hilarious) so they are not linked. Links to complete exams are to external content that I do ...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.This work is not endorsed by the College Board. It is my own personal interpretation.Link to a blank Test file: https://drive.google.com/file/d/1S8fp59jBKfSv...AP® CHEMISTRY 2019 SCORING GUIDELINES Question . 6 (continued) (b) Write the rate law for the decomposition of . N02(g). 1 point is earned for the correct answer. (c) Consider two possible mechanisms for the decomposition reaction. (i) Is the rate law described by mechanism I shown below consistent with the rate law you wrote in part (b)? Dr V walks you through all the strategies you need to successfully complete FRQ#3 from the 2019 AP Chemistry exam.The AP Chemistry Exam has consistent question types, weighting, and scoring guidelines every year, so you and your students know what to expect on exam day. Starting with the 2023 exam, a scientific or graphing calculator is recommended for use on both sections of the exam. Section I: Multiple Choice. 60 Questions | 1 Hour 30 minutes | 50% of ... AP CHEMISTRY Scoring Guidelines | Question 1: Short-Answer 1000 100 Binding Energy (MJ/mol) Rela ti ve Nu mb er of Electr on s 10 1 0.1 1. The complete photoelectron spectrum of an unknown element is given above. (a) Draw an X above the peak that corresponds to the orbital with electrons that are, on average, closest to the nucleus. Cl−(aq). (e) Cities try to maintain a maximum dissolved lead concentration of [Pb2+] = 1.0 × 10−9 M . If a sample of water has [Pb2+] = 1.0 × 10−9 M and enough phosphate is added such that [PO4 3−] = 3.0 × 10−5 M , would the concentration of Pb2+(aq)Dr V walks you through all the strategies you need to successfully complete FRQ#3 from the 2019 AP Chemistry exam.The following comments on the 2019 free-response questions for AP® Chemistry were written by the Chief Reader, Paul Bonvallet, The College of Wooster. They give an overview of each free-response question and of how students performed on the question, including typical student errors. General comments regarding the D. 2NO (g) → N2 (g) + O2 (g) + heat. Answer 3. Correct Answer: A. Endothermic reactions have the heat on the left side and a positive ΔH. Reactions with an increase in entropy also have a positive ΔS. Because the reaction in choice (A) produces two moles of gas for each mole of solid, it would have a positive ΔS.2021 AP Exam Administration Scoring Guidelines - AP Chemistry College Board Advanced Placement; AP; 2021 ; AP Exam Administration ; Scoring Guidelines; scoring information; free-response scoring criteria; scoring resources; FRQ; teacher resources; exam information; ADADr V shares her tips and strategies for answering free response question #6 from the 2019 released AP Chemistry exam.2019 AP ® CHEMISTRY FREE-RESPONSE QUESTIONS . GO ON TO THE NEXT PAGE. -5-CHEMISTRY . Section II . Time—1 hour and 45 minutes . 7 Questions . 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. at your answers. You must show your work to receive credit for your answer. Pay attention to significant figures. Na 2 S 2 O 3 (aq) + 4 NaOCl(aq) + 2 NaOH(aq) → 2 Na 2 SO 4 (aq) + 4 NaCl(aq) + H 2 O(l) 2018 AP ® CHEMISTRY FREE-RESPONSE QUESTIONS 1. A student performs an experiment to determine the value of the enthalpy change, D H D rxn, for thescoring guidelines; 2019 AP exam administration; teacher resources; exam resources; exam practice; exam scoring information; exam preparation; course preparation; AP Chemistry Scoring Guidelines from the 2019 Exam AdminiL | YÍ_r d1 sP+©q ?)°í ³ c$ Created Date: 7/14/2019 2:00:01 PMAnswer the following questions about the isomers fulminic acid and isocyanic acid. Two possible Lewis electron-dot diagrams for fulminic acid, HCNO, are shown below. ... Free-Response Questions from the 2017 AP Chemistry Exam ; Chemistry; Free-Response Questions; 2017; exam resources; exam information; teaching resources; exam practice ...AP Chemistry free-response: students generally scored well on Q1 (urea) and Q4 (KMT & gas laws – carbon dioxide), and found Q3 (analysis sodium carbonate ...The AP Chemistry exam assesses your ability to understand science practices in relation to four big ideas: scale, proportion and quantity; structure and properties; transformations; and energy. The exam is 3 hours and 15 minutes long and is comprised of two separate sections: Section I: Multiple Choice Questions. 60 questions.AP ® Chemistry Exam 2019 SECTION II: Free Response DO NOT OPEN THIS BOOKLET UNTIL YOU ARE TOLD TO DO SO. At a Glance Total Time 1 hour and 45 minutes Number of Questions 7 Percent of Total Score 50% Writing Instrument Either pencil or pen with black or dark blue ink Electronic Device Calculator allowed Suggested Time Approximately 23 minutes each for questions 1 3 and 9 minutes each for ...Answer the following questions about the isomers fulminic acid and isocyanic acid. Two possible Lewis electron-dot diagrams for fulminic acid, HCNO, are shown below. ... Free-Response Questions from the 2017 AP Chemistry Exam ; Chemistry; Free-Response Questions; 2017; exam resources; exam information; teaching resources; exam practice ...Download free-response questions from past AP Chemistry exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions. FRQ questions for AP exam for chem 2019 2019 ap chemistry questions 2019 the college board. college board, advanced placement, ap, ap central, and the acorn. ... Final 18 July 2019, questions and answers; Midterm February 2019, questions and answers; Practice Problem Chem 122 4; Sample/practice exam year, questions and answers ...AP® Chemistry 2009 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 association is composed of more than 5,600 schools, colleges, universities and other educational organizations.AP® Chemistry 2013 Scoring Guidelines . The College Board . The College Board is a mission-driven not-for-profit organization that connects students to college success and opportunity. Founded in 1900, the College Board was created to expand access to higher education. Today, the membership association isAP CHEMISTRY Scoring Guidelines | Question 1: Short-Answer 1000 100 Binding Energy (MJ/mol) Rela ti ve Nu mb er of Electr on s 10 1 0.1 1. The complete photoelectron spectrum of an unknown element is given above. (a) Draw an X above the peak that corresponds to the orbital with electrons that are, on average, closest to the nucleus. AP® Chemistry Sample Student Responses Author: College Board Subject: 2019 AP Exam Administration: Student Samples & Commentary Keywords: teacher resources; exam resources; exam information; scoring information; score rationale; Sample Student Responses and Scoring Commentary from the 2019 Exam Administration; ADA Created …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 2022 has its own, 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 ... Circle your answer below. Justify your answer and include a calculation of E ° for the overall reaction. H O (aq) Na S O (aq) Na S O (aq) [Na S O (aq) should be circled.] The reaction between S O (aq) and I (s) will be thermodynamically favorable because or the reaction is positive ( = 0.54 0.08 = +0.46 V), from which itThe AP® Chemistry exam has two sections. Each section accounts for 50% of the overall score. Section I includes 60 multiple-choice questions, while Section II has seven free-response questions. Of the 7 questions in Section II, 4 are short-answer questions, and 3 are long-essay questions. Let’s look at the scoring methodology for each section. 2022 AP Student Samples and Commentary - AP Chemistry FRQ 1 Author: College Board Subject: AP; Advanced Placement; ADA Keywords "AP; Advanced Placement; 2022 AP Exam Administration; Student Sample Responses; Scoring Commentary; Scoring Information; Scoring Resources; "; Created Date: 12/24/2022 2:49:51 PM For the correct answer and a valid justification, consistent with part (e): ... AP Chemistry College Board; Advanced Placement "2022 AP Exam Administration; Scoring ...The Princeton Review - Cracking the AP Chemistry Exam (part 2) File Size: 66 kb: File Type: pdf: Download File. Breaking Down the Test. AP Chemistry Exam Review: File Size: 1606 kb: File Type: pptx: Download File. Free Response Question Analysis: Kinetics: File Size: 1228 kb: File Type: pptx:AP® Chemistry Sample Student Responses Author: College Board Subject: 2019 AP Exam Administration: Student Samples & Commentary Keywords: teacher resources; exam resources; exam information; scoring information; score rationale; Sample Student Responses and Scoring Commentary from the 2019 Exam Administration; ADA Created Date: 12/14/2022 4:35 ... AP Chemistry 2021 FRQs - Answers. c) Lewis structure is a carboxylic acid; double bond on top O atom, all other bonds single bonds, two lone pairs should be on both O atoms. d) ii) HCOOH has a Ka that is larger in magnitude than the Kb of H2NNH2. Therefore, the resulting combination should be acidic with a pH less than 7. Study with Quizlet and memorize flashcards containing terms like 1. A) Identify the hybridization of the valence orbitals of the carbon atom in the urea molecule., 1. B) Urea has a high solubility in water, due in part to its ability to form hydrogen bonds. A urea molecule and four water molecules are represented in the box below. Draw ONE dashed line to …The AP Chemistry exam assesses your ability to understand science practices in relation to four big ideas: scale, proportion and quantity; structure and properties; transformations; and energy. The exam is 3 hours and 15 minutes long and is comprised of two separate sections: Section I: Multiple Choice Questions. 60 questions.AP ® STATISTICS 2019 SCORING GUIDELINES. Question 1 (continued) Scoring. This question is scored in three sections . Section 1 consists of part (a); Section 2 consists of …Download free-response questions from past AP Chemistry exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions.Justify your answer. (c) Given the physical properties in the table, calculate the quantity of heat that must be absorbed to increase the temperature of a 0.105 gsample of dry HC 75 H O 3 (molar mass 138.12 g / mol) crystals from 25C° to the ... AP ® Chemistry 2022 Free-Response Questions: AP ...FRQ questions for AP exam for chem 2019 2019 ap chemistry questions 2019 the college board. college board, advanced placement, ap, ap central, and the acorn. ... Final 18 …AP ® Chemistry Sample Student Responses and Scoring Commentary Inside: Free Response Question 1 ... For the correct answer and a valid justification: Accept one of the following: x. Yes. The oxidation number of hydrogen changes from +1 in HCOOH to zero in H. 2. x. Yes. The oxidation number of carbon changes from +2 in HCOOH to +4 in COAP ® Chemistry Sample Student Responses and Scoring Commentary Inside: Free Response Question 1 ... For the correct answer and a valid justification: Accept one of the following: x. Yes. The oxidation number of hydrogen changes from +1 in HCOOH to zero in H. 2. x. Yes. The oxidation number of carbon changes from +2 in HCOOH to +4 in CO2017 AP Chemistry Released Exam Draft Answers & Comments. May 04, 2017. My 2017 AP Chemistry Released Exam Draft Answers & Comments appear below. The questions are here. These are DRAFT answers and may change as errors are pointed out to me, and other thoughts come to my mind.2019 AP Chemistry Released FRQ answers. May 12, 2019 | 2013-14 Curriculum, AP, Big Idea 1, Big Idea 2, Big Idea 3, Big Idea 4, Big Idea 5, Big Idea 6, College Board | 2 comments. My 2019 AP Chemistry Released Exam Draft Answers & Comments appear below. The questions are here. These are DRAFT answers and may change as errors are pointed out to ...The following comments on the 2019 free-response questions for AP® Chemistry were written by the Chief Reader, Paul Bonvallet, The College of Wooster. They give an overview of each free-response question and of how students performed on the question, including typical student errors. General comments regarding theIn this video, Mr. Krug shows the complete solution for AP Chem 2021 FRQ free-response question #1.AP Chemistry Homework Answer Key ... Unit 1 Progress Check on AP Classroom MCQ & FRQ (Due on 8/25) Determination of Unknown AgNO3 Gravimetric Analysis Practice Problems ... 2019 AP Chemistry Practice Exam MC Answer Sheet Week 32 (April 15-19) In-Class: 2022 AP Chemistry FR ExamAP chem test 2019. The rate between CaCO3 and CH3COOH is determined by measuring the volume of gas generated at 22 C and 1 atm as a function of time. Which of the following experimental conditions is most likely to increase the rate of gas production? D) Decreasing the particle size of the CaCO3 by grinding it into a fine powder. The following comments on the 2019 free-response questions for AP® Chemistry were written by the Chief Reader, Paul Bonvallet, The College of Wooster. They give an overview of each free-response question and of how students performed on the question, including typical student errors. General comments regarding theAP® CHEMISTRY 2017 SCORING GUIDELINES . Question . 2 Answer the following questions about the isomers fulminic acid and isocyanic acid. Two possible Lewis electron-dot diagrams for fulminic acid, HCNO, are shown below. .. .. H-C==N-0: H-C=N=O= (a) Explain why the diagram on the left is the better representation for the bonding in fulminic …2019 AP ® CHEMISTRY FREE-RESPONSE QUESTIONS . GO ON TO THE NEXT PAGE. -5-CHEMISTRY . Section II . Time—1 hour and 45 minutes . 7 Questions . 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. Study with Quizlet and memorize flashcards containing terms like 1. A) Identify the hybridization of the valence orbitals of the carbon atom in the urea molecule., 1. B) Urea has a high solubility in water, due in part to its ability to form hydrogen bonds. A urea molecule and four water molecules are represented in the box below. Draw ONE dashed line to indicate a possible location of a ... These practice problems for AP® Chemistry will help you study for the test, and get a five! http://www.tdwscience.com/apchem These multiple choice problems a...Download free-response questions from past AP Chemistry exams, along with scoring guidelines, sample responses from exam takers, and scoring distributions. answer with justification. (b) As the mass of the Sn electrode decreases, where does the mass go? The atoms on the Sn electrode are going into the solution as Sn2+ ions. 1 point is earned for the correct answer. (c) In the expanded view of the center portion of the salt bridge shown in the diagram below, draw and label2021 AP ® Chemistry Sample Student Responses and Scoring Commentary Inside: Free Response Question 1 •• Scoring Guideline •• Student Samples •• Scoring Commentary
Apr 29, 2020 · Dr V shares her explanation for free response question #5 from the 2019 AP Chemistry exam. AP Chemistry. . Gently holds emoji
2019 SCORING GUIDELINES Question 1 C 2 H 5 OH ( l) + 3 O 2 ( g) → 2 CO 2 ( g) + 3 H 2 O ( g) D Hcomb = −1270 kJ/mol rxn Ethanol,C 2 H 5 OH, will combust in air according to …AP® MACROECONOMICS 2019 SCORING GUIDELINES Question 1 (continued) One point is earned for showing a rightward shift in the money supply curve, resulting in a lower nominal interest rate. (e) 2 points One point is earned for drawing a correctly labeled graph of the foreign exchange market for theOct 30, 2011 · 2017 AP Chemistry MC Exam Answer Sheet Homework: 2021 AP Chemistry Practice Exam FR (Due on 3/28) Week 30 (April 1-5) In-Class: 2018 AP Chemistry Practice Exam MC 2018 AP Chemistry Practice Exam MC Answer Sheet Homework: 2022 AP Chemistry Practice Exam FR (Due on 4/5) Week 31 (April 8-12) In-Class: 2021 AP Chemistry FR Exam Homework: 2019 AP ... One point is earned for the answer (including the unit K). (c) Calculate the standard enthalpy change, ΔH ... AP® CHEMISTRY 2007 SCORING GUIDELINES + AP ...Dr V walks you through all the strategies you need to successfully complete FRQ#3 from the 2019 AP Chemistry exam.November 2019. MORE ABOUT ADRIAN'S BOOKS. MY LATEST THOUGHTS. The Blog ... ChemEd 2023 and the 2023 AP Chemistry released FRQ de-brief. ... My 2023 AP Chemistry Free-Response DRAFT ANSWERS are linked at the bottom of this post. Please let... Read More. Online AP Chemistry Review CourseDr V shares her tips and advice for answering free response question #7 from the 2019 AP Chemistry exam. The AP Chemistry Exam has consistent question types, weighting, and scoring guidelines every year, so you and your students know what to expect on exam day. Starting with the 2023 exam, a scientific or graphing calculator is recommended for use on both sections of the exam. Section I: Multiple Choice. 60 Questions | 1 Hour 30 minutes | 50% of ... AP Chemistry free-response: students generally scored well on Q1 (urea) and Q4 (KMT & gas laws – carbon dioxide), and found Q3 (analysis sodium carbonate ...For the correct answer and a valid justification: Yes (consistent). Because the acid is soluble in water, some crystals may dissolve during ... AP Chemistry College Board; Advanced Placement "2022 AP Exam Administration; Scoring Guidelines; AP; Advanced Placement; exam resources; scoring information; scoring resources; teacher resources; exam ...below. (c) Determine the number of moles of NazC03 in the original 50.0 mL of solution. 0.93 g CaC03 mol CaC03 x 0.0093 mol CaC03 lOO.l g point is earned for mol Na2C03 the correct answer. 0.0093 mol CaC03 x 0.0093 mol CaC03 = mol Na2C03 (d) The student realizes that the precipitate was not completely dried and claims that as a result, theat your answers. You must show your work to receive credit for your answer. Pay attention to significant figures. Na 2 S 2 O 3 (aq) + 4 NaOCl(aq) + 2 NaOH(aq) → 2 Na 2 SO 4 (aq) + 4 NaCl(aq) + H 2 O(l) 2018 AP ® CHEMISTRY FREE-RESPONSE QUESTIONS 1. A student performs an experiment to determine the value of the enthalpy change, D H D ….
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