Fe Chemical Practice Problems







Ag + NO 3-→ Ag+ + NO 2. Find helpful customer reviews and review ratings for FE Chemical Practice Problems at Amazon. (The number in boldface is the SUM of the coefficients of the correctly balanced equation. This is a set of worked examples of how to balance chemical equations, a very important skill in chemistry. Park's ChemTeam site. How would you prepare 400 ml of a 0. This book is part of a comprehensive learning management system designed to help you pass the FE exam the first time. MOLE Practice Problems 1. There is a maximum of 5 times you can “Submit” your answer. In which of the following is the oxidation number of the underlined element given incorrectly? oxidation number a. Show all work. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Determine the oxidation number of the elements in each of the following compounds: a. The Capstone online FE Review Curriculum combines targeted engineering principles instruction with authentic practice problems and easy-to-follow solution steps to give you the knowledge, tools, and resources needed to successfully pass the FE certification examination. The Bond Enthalpy is the energy required to break a chemical bond. The mass of O in 1 mol SiO 2 is 31. We work the problem as follows, remembering that there are 1000 mL in a Liter and 1000 grams in a kg. Honors in Chemistry from Concordia University in Montreal, and I am currently pursuing my MSc. FE Review Manual, 3rd Edition. A cash flow diagram presents the flow of cash as arrows on a time line scaled to the magnitude of the cash flow, where expenses are down arrows and receipts are up arrows. Back to Decomposition. FUNDAMENTALS OF ENGINEERING (FE) EXAMINATION REVIEW www. Is the spectrum above a band spectrum or a line spectrum? This is a band spectra, there are what appear to be two overlapping but wide peaks. How many grams of nitrogen gas form when 1. Sample Problem 3. Practice Problems; The following problems review various aspects of aromatic chemistry. It is usually expressed in units of kJ mol-1, measured at 298 K. Heat Transfer Exercises 5 Preface Preface Worked examples are a necessary element to any textbook in the sciences, because they reinforce the theory (i. When you access the problems online, the problems appear in a random order and without numbers. (The number in boldface is the SUM of the coefficients of the correctly balanced equation. Exercises in completing reactions may also be found here at the Virtual Chemistry Lab (under "Introduction to Chemical Reactions"). A chemical equation is the representation of the chemical reactions. iron + water → Fe3O4 + hydrogen. Balance the following chemical equations. Stoichiometry Worksheet #1 Answers 1. Mole-Mole practice Problems How many steps are needed for each of these problems and why? Solve each problem and report your answer to the correct number of significant figures. Remember, limiting reactant is consumed completely in a chemical reaction. Zn(OH) 4 2-d. Problems 1-30 are good examples for practice of assigning oxidation states. the principles, concepts and methods). Practice Final CH142, Spring 2012 If you answer more than 7 cross out the problem Give the balanced chemical reaction for Fe3+ acting as an acid: [Fe. Therefore, bond enthalpy values given in chemical data books are averaged values. FE Review Materials Properties Jeffrey W. Most of the practice problems are in the PE exam. Click here for solution to problem 4. Write your answers in each box. In the case of slight dissociation use a double arrow and for complete dissociation use a single arrow. FE Chemical Exam Prep Course Structure. There is a maximum of 5 times you can “Submit” your answer. Whether or not such a reaction occurs can be determined by …. Balancing chemical reactions then allows one to determine stoichiometry calculations by understanding the ratio between reactants and/or products. During the afternoon session, examinees can opt to take a general exam or a discipline-specific (Chemical, Civil, Electrical, Environmental, Industrial, or Mechanical) exam. What is the partial pressure of sodium ions? [Hint: Sodium hydroxide (NaOH) is a strong base. The first two questions review some simple concepts. Precipitation reactions occur when cations and anions in aqueous solution combine to form an insoluble ionic solid called a precipitate. Don't spend time relearning topics from scratch and using poor resources. Complete the examination by yourself and hand it in to receive credit. Engineering Economics 4-1 Cash Flow Cash flow is the sum of money recorded as receipts or disbursements in a project’s financial records. Chemical equations are written with the symbols of materials to include elements, ionic or covalent compounds, aqueous solutions, ions, or particles. 1 The Mole and Molar Mass 3. FE Exam for Computer & Electrical Engineers Chemical, Civil, Electrical, - Take a second practice exam a week before FE. Today, the membership association is. Using the mole ratio, calculate the moles. About the College Board. (c) the charge on each Fe ion. Review– Naming Chemical Compounds The following are a good mix of naming and formula writing problems to help you get some practice. Louis University Brody Dylan Johnson (St. Balancing chemical equation is the process of equalising the number of each element in the reactants to the products. What is the concentration of H 3 O + in solution if \(K_c = 1. Fe and Cl will always be present in these percentages How do I solve this problem pertaining to the law of constant composition? How do you solve these Chemistry. 2 Fe + 3 O 2 Fe 2 O 6. The multiple-choice questions in Section I cover the breadth of the curriculum. This book is part of a comprehensive learning management system designed to help you pass the FE exam the first time. What people are saying - Write a review. Practice Problems: Electron Configuration CHEM 1A 1. BALANCING CHEMICAL EQUATIONS - NAMES GIVEN Practice Sheet #2. FE Review Manual: Rapid Preparation like practice exams and thousands of practice problems using the quiz generator this book and another book "FE Chemical. View balancingpractice from PRECALCULU 1330 at University of Houston. Chlorine reacts with potassium bromide yielding potassium chloride and bromine. Back to Single Replacement. The half-reaction that occurs at the cathode during the electrolysis of molten sodium bromide is _____. Calculate the mass of FeS formed. The Excel Test Prep course is different from college courses, which are usually designed for their students and cover theory. Stoichiometry calculations are about calculating the amounts of substances that react and form in a chemical reaction. 24 moles/L x 58. test-taking strategies. org AP Chemistry Periodic Trends 4. 2 SO 2 + O 2 2 SO 3 _____ 2. 62 g of Fe are allowed to react with 8. Ask any chemistry question and get an answer from our experts in as little as two hours. NCEES practice exams. Identify and solve different types of stoichiometry problems. The Testmasters course is focused only on the exam and helping students pass. 2 Fe + 3 O 2 Fe 2 O 6. The Excel Test Prep course is different from college courses, which are usually designed for their students and cover theory. Taking practice exams will help. Al 2 O 3 + Fe g. The multiple-choice questions in Section I cover the breadth of the curriculum. Spring 2002. How many grams of nitrogen gas form when 1. Al + H 2 SO 4 4. Honors in Chemistry from Concordia University in Montreal, and I am currently pursuing my MSc. The mass of O in 1 mol SiO 2 is 31. C 4H 10 / O 2 b. Back to Decomposition. Start studying Ms. The FE exam is a computer-based test. Solving Logarithmic Equations – Practice Problems Move your mouse over the "Answer" to reveal the answer or click on the "Complete Solution" link to reveal all of the steps required to solve logarithmic equations. 3 g Fe combine completely with 5. About This Quiz & Worksheet. The Purdue Chi Epsilon student office (HAMP 2154) has several resources available for students looking to review for the FE Exam!. CHEMISTRY | PRACTICE PROBLEMS The GENERAL FORMULA for a CHEMICAL EQUATION is not directly provided to us in the NCEES Supplied Reference Handbook, Version 9. FE Review Materials and Solved step by step problems for FE exam PDF. FE Chemical Practice Problems?features include:over 600 three-minute, multiple-choice, exam-like practice problems to illustrate the type of problems you?ll encounter during the examclear, complete, and easy-to-follow solutions. all of the above 2. A pop-up nomenclature calculator is available for help when naming compounds and for practice problems. 95 View Product > FE Civil Practice Exam. AP Chemistry Exam Reactions: Questions and Answers With the new format of the exam in 2007 and the availability of both questions and answers on the. The College Board is a mission-driven not-for-profit organization that connects students to college success and opportunity. When students get big chemical equations in a balancing equation worksheet, they often find it to be very difficult. The FE exam is pretty easy if you have gone through an undergraduate chemical engineering education with a good understanding of the material and have done some very basic prep. Each module will review main concepts, illustrate them with examples, and provide extensive practice problems. Complete the examination by yourself and hand it in to receive credit. Free shipping over $10. I've organized the problems by sections in the chapter and provided a summary that may prove useful. FE CBT Review Curricula. Fe is the reactant oxidized and the reducing agent. 1 Measuring Matter page 320-324 Practice Problems pages 323-324 1. AP Chemistry Notes. Reducing agent - causes reduction by undergoing oxidation. one actual, full-length. Sergei Smirnov's site at New Mexico State University. It will be presented in modules corresponding to the FE topics, particularly those in Civil and Mechanical Engineering. Balancing Chemical Equations sciencenotes. Enter an equation of a chemical reaction and click 'Balance'. You can submit each problem (or problem part) for correctness individually. Has initials on binding and highliting marks/writing inside, but no answers are done!. MWF 10, 4-231 Home Problem Set G Problem Solution Solution to Practice Problems in E, F, and G. The Testmasters Chemical PE Exam Test Prep Course Coordinator has been teaching the Chemical FE-CBT and PE courses for over 25 years, and is very well versed with the format of the exam and what it takes to pass it. In the next chapter we will expand our study of stoichiometry to include different types of chemical reactions and focus on reactions that take place in water. Chemical Reactions Learning Targets: I can describe evidence of a chemical reaction from experimental observations. FE Chemical Practice Exam. This section. Identify the type of reaction and balance the equation. H 2 CO 3 b. This helps students become familiar with solving problems of the kind encountered on the exam. The Excel Test Prep course is different from college courses, which are usually designed for their students and cover theory. 1 Theory and Practice Every chemical reaction occurs at a finite rate, making it a potential candi-date for a chemical kinetic method of analysis. Revised: © University of Newcastle upon Tyne, UK. Practice Problems Plus 1. 62 g of Fe are allowed to react with 8. Fe(CN) 6 3-and Fe(CN) 6 4-(do not worry about like charges repelling on another). Given the following equation: 2 C 4H 10 + 13 O 2---> 8 CO 2 + 10 H 2O, show what the following molar ratios should be. CHEMISTRY COMPUTING FORMULA MASS WORKSHEET Practice Problems CO to CO2 and Fe to CO CHEMISTRY MOLAR RATIOS WORKSHEET 2 1 1 2 2 2 2 3 3 2. On short answer problems you must show your work in order to receive credit for the problem. what is the product? b. ) For the following reactions, indicate whether the following are examples of synthesis, decomposition, combustion, single displacement. Fergus Materials Engineering Office: 284 Wilmore • Mg or Zn connected to Fe decrease corrosion rate Zn Fe Fe Cu. 975 atm sodium hydroxide is added to water. Al 2 O 3 + Fe g. 50 mol Zn 6. To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. School of PE offers Free Basic Engineering Math course for students who have been out for school for a very long time. The NCEES policy. Don't let these new AIT question types scare you. CHEMISTRY SINGLE REPLACEMENT REACTION WORKSHEET Author: SaucemanM Last modified by: SaucemanM Created Date: 10/29/2010 1:02:00 PM Company: Hamblen County Department of Education Other titles: CHEMISTRY SINGLE REPLACEMENT REACTION WORKSHEET. FE Practice Exams: A Collection of Resources (Free and Paid) If your FE exam prep is done, then it's time to practice your skills with an exam. 4 g Fe 1 mol Fe b. Chemical Engineering Thermodynamics. 24 moles/L x 58. There is a maximum of 5 times you can “Submit” your answer. Example problem 2. In the next chapter we will expand our study of stoichiometry to include different types of chemical reactions and focus on reactions that take place in water. \rContact Ashl\. Jump right into practice problems and learn by doing. This book is part of a comprehensive learning management system designed to help you pass the FE exam the first time. What is the partial pressure of sodium ions? [Hint: Sodium hydroxide (NaOH) is a strong base. The FE exam consists of 180 multiple-choice questions. NCEES offers a PE Chemical practice exam to familiarize you with the exam format and content, including alternative item types (AITs). The half-reaction that occurs at the cathode during the electrolysis of molten sodium bromide is _____. Molecular: AgNO3 (aq) + 6 OH¯ (aq) + 2 Fe3+ (aq) + 6 Cl¯ (aq) 3 Ca (aq) + 6 Cl¯ (aq) + 2 Fe. The 18-Electron Rule; definition & rationalisation The constitution and structure of main group element complexes can be predicted and rationalised by a combination of the "Octet Rule" and VSEPR. E cell E std_cell R ⋅T n⋅F ln C Zn C Cu E cell = 1. Here's a link to a Google Drive folder that contains last year’s online 50 problem Chemical FE Practice Exam’s problems and solutions. Naming Compounds Practice Problems Naming Simple (derived from monoatomic ions) Ionic Compounds Name the following compounds: 1) TiBr 3 titanium bromide 2) Cu 3 P copper phosphide 3) SnSe 2 tin selenide 4) GaAs gallium arsenide 5) FeO iron (II) oxide 6) Fe 2 O 3 iron (III) oxide 7) KCl potassium chloride 8) BeF 2 beryllium fluoride 9) Cs 3. In the following reaction, how many moles of iron are produced if 8 moles of Iron (III) oxide are. How many grams of nitrogen gas form when 1. Zinc + hydrogen chloride yields zinc chloride and hydrogen. EngineerInTrainingExam. More than 450 practice problems coordinate with the chapters in the Chemical Engineering Reference Manual, so you can work appropriate problems as you study. FE Other Disciplines Practice Problems offers comprehensive practice for the NCEES Other Disciplines FE exam. If atomic mass of Mg atom is 24 g, find mass of 1 Mg atom. The exact bond enthalpy of a particular chemical bond depends upon the molecular environment in which the bond exists. How many moles of O 2 can be produced by. Shipped with USPS Priority Mail. What is the concentration of H 3 O + in solution if \(K_c = 1. Concepts i. Dissociation Equations Worksheet Write balanced chemical equations to represent the slight dissociation or the complete dissociation for 1 mole of the following compounds. Solutions Manual Chemistry: Matter and Change • Chapter 10 161 Section 10. Therefore, bond enthalpy values given in chemical data books are averaged values. engineering. GRE ® Chemistry Test n. Commonly referred to as sand, it's the main ingredient in the most common forms of glass. Using principles of atomic structure, explain why the radius of the Fe. Which of the following shows a correct way to balance the chemical equation: Fe + O 2 Fe 2 O 3. By solving more practice problems, you can improve your test taking and time management skills. Convert units of a given substance to moles. 1 Fe 2(SO 4) 3 + 3 H 2 2. The Testmasters Chemical PE Exam Test Prep Course Coordinator has been teaching the Chemical FE-CBT and PE courses for over 25 years, and is very well versed with the format of the exam and what it takes to pass it. Name the following chemical compounds:. Every electrochemical reaction must involve a chemical system in which at least one species is being oxidized and one species is being reduced. Mole-mole calculations are not the only type of calculations that can be performed using balanced chemical equations. If you decide later that you want professional licensure, you will have to take the FE exam first. NCEES offers a PE Chemical practice exam to familiarize you with the exam format and content, including alternative item types (AITs). CHEMISTRY SINGLE REPLACEMENT REACTION WORKSHEET Author: SaucemanM Last modified by: SaucemanM Created Date: 10/29/2010 1:02:00 PM Company: Hamblen County Department of Education Other titles: CHEMISTRY SINGLE REPLACEMENT REACTION WORKSHEET. An oxidation number is a positive or negative number assigned to an atom according to a set of rules. The test is administered by the National Council of Examiners for Engineering and Surveying (NCEES), www. The molecular formula of a compound is a representation of the number and type of elements present in one molecular unit of the compound. FE Chemical Practice Problems veanlo298. To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. 62 g of Fe are allowed to react with 8. Example problem 2. Which will travel fastest in GW? - If the soil has an organic carbon content of 3%, what. 4 Al + 3 MnO. took the test at a GRE administration. (a) Fe + Cl2 FeCl3 (b) Fe + O2 Fe2. Compare: Co - cobalt and CO - carbon monoxide. Choose the one alternative that best completes the statement or answers the question. If all species are spectator ions, please indicate that no reaction takes place. The NCEES will make the following changes to the FE Exam beginning January 1, 2014:. Predict the name of the products in these double displacement reactions. Suppose that in one batch of reactants 4. CHEMISTRY SINGLE REPLACEMENT REACTION WORKSHEET Author: SaucemanM Last modified by: SaucemanM Created Date: 10/29/2010 1:02:00 PM Company: Hamblen County Department of Education Other titles: CHEMISTRY SINGLE REPLACEMENT REACTION WORKSHEET. Review– Naming Chemical Compounds The following are a good mix of naming and formula writing problems to help you get some practice. Maybe use the calculator to do some of your classwork, just to become familiar with where the various operations and functions are. But why FE Review Manual is so popular? FE Review Manual includes all of the topics needed to pass FE Exam. com ELECTRICAL It is virtually certain that some 3-phase problems will appear +. Heat Transfer Exercises 5 Preface Preface Worked examples are a necessary element to any textbook in the sciences, because they reinforce the theory (i. NCEES offers a PE Chemical practice exam to familiarize you with the exam format and content, including alternative item types (AITs). Whether or not such a reaction occurs can be determined by …. Consider the following chemical equation: 2"FePO"_4 + 3"Na"_2"SO"_4 -> "Fe"_2("SO"_4)_3 + 2"Na"_3"PO"_4 Let's say you have "34. 1, 1, 2, 1, 1. 4 Fe + O 6 2 Fe 2 O 3. Jump right into practice problems and learn by doing. Ionic charges are not yet supported and will be ignored. The Testmasters Chemical PE Exam Test Prep Course Coordinator has been teaching the Chemical FE-CBT and PE courses for over 25 years, and is very well versed with the format of the exam and what it takes to pass it. We work the problem as follows, remembering that there are 1000 mL in a Liter and 1000 grams in a kg. Determine the oxidation number of the elements in each of the following compounds: a. FE Practice Exam Solutions - Free download as PDF File (. Instructions on balancing chemical equations: Enter an equation of a chemical reaction and click 'Balance'. test instructions and answering procedures. Balancing Equations: Practice Problems 1. 4 g" of "FePO"_4 and excess "Na"_2"SO"_4 for this reaction, how many grams of "Fe"_2("SO"_4)_3 can you produce with 100% yield?. Practice problems. As you're driving along, you notice that the speed limit signs have numbers like 120 (on the highway) and 50 (in the city). E cell E std_cell R ⋅T n⋅F ln C Zn C Cu E cell = 1. FE Other Disciplines Practice Problems offers comprehensive practice for the NCEES Other Disciplines FE exam. A balanced chemical equation gives the number and type of atoms participating in a reaction, the reactants, products, and direction of the reaction. 022 x 10 atoms Na 2) Determine the mass in grams of each of the following: a. Name: Date: Balancing Equations About Chemistry http://chemistry. Which of the following provides the best explanation for the many chemical similarities between sodium and potassium? (A) Both have atomic masses between 20 and 40 amu (B) Both have an ns1 electron configuration for their highest occupied energy level (C) Both are main group elements. Practice Problem Answers. 2+ consumes an electron, which is drawn from the electrode. The elements K,Ca,Fe,Cu ,Ge belong to fourth period and as we move accross the fourth period at the very left we have K then Ca then Fe then Cu then Ge so ionisation energy should increase K< Ca FE Civil Practice Exam. FE Electrical * The common topic areas for all FE Disciplines, including Algebra, Calculus, Probability and Statistics, Engineering Economics, and Ethics. 07364 volt This equation is occasionally rearanged different ways, take a careful look at the following:. Chemistry Video Lessons Exam Reviews ACS Video What is the concentration of nitrate ions in a solution made by dissolving 14. Write your answers in each box. 3 g Fe combine completely with 5. Problem #1. 1 Reactions and Equations pages 282-288 Practice Problems pages 284-287 Write skeleton equations for the following word equations. The exam uses both the International. It is closed book with an electronic reference. Extra Practice Problems Radioactivity and Balancing Nuclear Reactions: Balancing Nuclear Reactions and Understanding which Particles are Involved p1 Miscellaneous p9 The Stability of Atomic Nuclei: The Belt of Stability, Recognizing Whether An Isotope is likely to be stable or not,. Hydrogen and bromine gases react to yield hydrogen bromide. Reactants Products Solve Step 2. Balancing Chemical Equations Calculator. Calculate the mass of FeS formed. Practice Problem Answers. You might also want to look at the Wikipedia article about stoichiometry here. Commonly referred to as sand, it's the main ingredient in the most common forms of glass. For example, in the first compound of the first equation, there are 2 aluminum atoms, 6 oxygen atoms and 6 hydrogen atoms. Thank for visiting the EngineerInTrainingExam. In analytic geometry, also known as coordinate geometry, we think about geometric objects on the coordinate plane. Balancing chemical reactions then allows one to determine stoichiometry calculations by understanding the ratio between reactants and/or products. Science · Chemistry · Chemical reactions and stoichiometry · Stoichiometry Stoichiometry How to use mole ratios from a balanced reaction to calculate amounts of reactants. We didn't cover Chapter 18 in the FE exam review class. Balancing Chemical Equations Problems #1 - 10. Practice Final CH142, Spring 2012 If you answer more than 7 cross out the problem Give the balanced chemical reaction for Fe3+ acting as an acid: [Fe. FE Practice Exams: A Collection of Resources (Free and Paid) If your FE exam prep is done, then it's time to practice your skills with an exam. Al + H 2 SO 4 4. Condition is Brand New. 975 atm sodium hydroxide is added to water. Find Michael R Lindeburg solutions at Chegg. FE Chemical Practice Problems?features include:over 600 three-minute, multiple-choice, exam-like practice problems to illustrate the type of problems you?ll encounter during the examclear, complete, and easy-to-follow solutions. Free FE Review Material The exact topics on the exam and the breakdown of how many problems in each topic can be found on the NCEES Practice Problems. Oxidation-Reduction Balancing Additional Practice Problems Acidic Solution 1. Has initials on binding and highliting marks/writing inside, but no answers are done!. CHEMISTRY SINGLE REPLACEMENT REACTION WORKSHEET Author: SaucemanM Last modified by: SaucemanM Created Date: 10/29/2010 1:02:00 PM Company: Hamblen County Department of Education Other titles: CHEMISTRY SINGLE REPLACEMENT REACTION WORKSHEET. During the afternoon session, examinees can opt to take a general exam or a discipline-specific (Chemical, Civil, Electrical, Environmental, Industrial, or Mechanical) exam. exam (Chemical Engineering in particular) I am making this post because while I was trying to prepare for the exam I found very little information pertinent to the Chemical Engineering exam, most of the information is tailored to civil and mechanical since few ChE's seem to take it. The mass of O in 1 mol SiO 2 is 31. (Based on the StoPGoPS approach to problem solving. This question of the day was provided by the courtesy of Professor Autar Kaw of the University of South Florida from the book FE Practice Exam With Complete Solutions. General Chemistry II Jasperse Electrochemistry. Back to Single Replacement. Workshop sessions allow students to practice problems that mimic exam questions. The Bond Enthalpy is the energy required to break a chemical bond. HIO 4 +5 d. This is a set of worked examples of how to balance chemical equations, a very important skill in chemistry. General Chemistry II Jasperse Nuclear Chemistry. AP Chemistry-Electrochemistry. problem •Question: The reaction of powdered aluminum and iron(II)oxide, 2Al (s) + Fe 2 O 3(s) Al 2 O 3(s) + 2Fe (l) produces so much heat the iron that forms is molten. How many core, outer, and valence electrons do each of the following atoms have? Core Outer Valence a. As stated in the problem, there is going to be some H 2 left over after the reaction is complete, so this tells us that H 2 is in excess and N 2 is the limiting reactant. 4 Fe + O 6 2 Fe 2 O 3. 975 atm sodium hydroxide is added to water. Past Examination Questions and Answers of Fundamental Information Technology Engineer Examination. Write the chemical reaction for and the K sp. !You always balance your equation LAST. Given the following equation: 2 KClO 3---> 2 KCl + 3 O 2 a. Problem #8: Fe 2 O 3 (s) + C(s The chemical reality of atoms reacting in ratios of small whole numbers is. FE Chemical Practice Problems offers comprehensive practice for the NCEES Chemical FE exam. CHM 1010 ‐Sinex Chemical Calculations Practice, practice, practice 6 11 Moles of substance A Moles of substance B Mole ratio Mass of substance A Molar mass of substance A Mass of substance B Molar mass of substance B Volume of substance A Volume of substance B Molarity of solution A Molarity of solution B. The balanced equation will appear above. 95 View Product > FE Electrical and Computer Practice. On short answer problems you must show your work in order to receive credit for the problem. FE Chemical Practice Problems features include: over 600 three-minute, multiple-choice, exam-like practice problems to illustrate the type of problems you’ll encounter during the exam clear, complete, and easy-to-follow solutions to deepen your understanding of all knowledge areas covered in the exam. Review– Naming Chemical Compounds The following are a good mix of naming and formula writing problems to help you get some practice. Answers: Moles and Stoichiometry Practice Problems 1) How many moles of sodium atoms correspond to 1. During the morning session, all examinees take a general exam common to all disciplines. In the review session, we will be working some of these problems. 4 g Fe 1 mol Fe b. Carefully designed problems to reflect only knowledge areas relevant to the exam. Potassium reacts with water yielding potassium hydroxide and hydrogen. Problem 2 –Fin d the volume occupied by 20 kg of steam at 0. Park's ChemTeam site. FE Chemical 853 77% FE Civil 4,874 70% FE Electrical & Computer 1,217 75% FE Environmental 657 75% FE Industrial 248 64% FE Mechanical 3,547 82% FE Other Disciplines 1,439 81% Based on first-time test takers who t ook the exam between January and May of 2015. FE Mechanical. Given the thermochemical equation: 4 Fe(s) + 3 O 2 (g) 2 Fe 2 O 3 (s) ΔH rxn = -1652 kJ mol -1. Back to Decomposition. I passed the FE exam in mid-2011. Here is a good site introducing stoichiometry, with practice problems, from John L. Balanced equations. I can balance chemical equations to fulfill the Law of Conservation of Mass I can interpret changes in matter and energy from complete chemical equations I can write chemical reactions by interpreting word equations. Na + Cl 2 → NaCl Fe 2 O 3 + 2Al → Al 2 O 3 + 2Fe 41. KEY Electrochemical Cells - Practice Problems 1. We focus. The nomenclature for these compounds is described in the following set of rules. Reduction - gain of electrons.