Sandwich stoichiometry answer key

Basic stoichiometry phet lab answer key Title: Pd: - Basic stoihiometry phet Lab Let's make a few sandwiches! Introduction: When we bake something/cook something, we use a certain amount of each ingredient. Imagine if you made a batch of cookies and used too many eggs, or lacked sugar. Fu! In chemistry, reactions continue with very specific ...

PROBLEM 5.2.1.1 5.2.1. 1. Write the balanced equation and determine the information requested. Don't worry about state symbols in these reactions. The number of moles and the mass (in grams) of chlorine, Cl 2, required to react with 10.0 g of sodium metal, Na, to produce sodium chloride, NaCl. The number of moles and the mass (in milligrams) of ...Dec 15, 2020 · Stoichiometry is one of the most fundamental topics in a high school chemistry course, but it is also one of the most challenging concepts for students to master. 1 Stoichiometry is abstract, making it challenging to learn and teach. 2 As with any abstract concept, activities that encourage conceptual thinking tend to promote a deeper level of understanding. 3 Chemistry: S’more Chemistry KEY An introduction to Stoichiometry You have spent a lot of time studying the various types of reactions that can occur in chemistry. You have also become experts in balancing chemical equations. In this activity, you will be introduced to simple stoichiometry. Stoichiometry is the chemical term Create your own sandwich and then see how many sandwiches you can make with different amounts of ingredients. Do the same with chemical reactions. See how many products you can make with different amounts of reactants. The concept of stoichiometry will help us answer questions like . ... Answer: 4.035 grams of iodine must react to yield 4.63 grams of ferric iodide. Problem 3. ... Now the key task is to be able to identify which reactant is the limiting reactant in a given chemical reaction.Stoichiometry_Practice_ANSWER_KEY.docx - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. Scribd is the world's largest social reading and publishing site.View Sandwich_Stoichiometry_PHET_modified (1).docx from CHEM 100 at Amador Valley High. Sandwich Stoichiometry Name _ Part I : Cheese Sandwiches • Go to the PhET simulation

How many moles of water are produced when 57 moles of nitrogen are made? 3. Calculate the mass of aluminum oxide produced when 3.75 moles of aluminum burn in oxygen. Answers: 1A. 30 mol Ag 1B. 30 mol AgNO3. 1C. 20 mol H2O 1D. 10 mol NO. 2A. 38 mol N2H4 2B. 19 mol N2O4. 2C. 76 mol H2O.answer-key-stoichiometry-and-process-calculations.pdf - Free download as PDF File (.pdf) or read online for free. Scribd is the world's largest social reading and publishing site.Dec 15, 2020 · Stoichiometry is one of the most fundamental topics in a high school chemistry course, but it is also one of the most challenging concepts for students to master. 1 Stoichiometry is abstract, making it challenging to learn and teach. 2 As with any abstract concept, activities that encourage conceptual thinking tend to promote a deeper level of understanding. 3 New York City sandwiches are among the best in the country. These are the ones you need to try on your next visit. Twitter regularly erupts into debates between New Yorkers and eve...4 Phet Sandwich Stoichiometry Lab Answer Key 2023-10-20 New Testament world. The first edition has been widely used in the classroom (over 30,000 copies sold). This updated edition, now with improved readability and narrative flow, will bring the social and political world of Jesus and his first followers to life for many more students of ...Q1. Given the following reaction: H2SO4 + NaOH → Na2SO4 +H2O (1) (1) H 2 S O 4 + N a O H → N a 2 S O 4 + H 2 O. If it takes 27.4 mL of 0.768 M NaOH N a O H to titrate 16.7 mL of H2SO4 H 2 S O 4, what is the concentration of the H2SO4 H 2 S O 4 solution? (hint: balance the equation first) Answer Key Chapter 12: Stoichiometry 12.1 Everyday Stoichiometry ... Answers 1. My new ham sandwich is composed of 2 slices of ham (H), a slice of cheese (C), Institution. Chamberlain College Of Nursing. Gizmos Student Exploration Stoichiometry Answers Key. Avogadro’s number, balanced equation, cancel, coefficient, conversion factor, dimensional analysis, molar mass, mole, molecular mass, stoichiometry Activity A: Moles Get the Gizmo ready: Check that the equation is still: Fe2O3 + 3CO ...

Institution. Chamberlain College Of Nursing. Stoichiometry Gizmo Student Exploration: Complete Solution TOP RATED Stoichiometry Answer Key Vocabulary: Avogadro’s number, balanced equation, cancel, coefficient, dimensional analysis, molar mass, mole, molecular mass, stoichiometry Prior Knowledge Questions (Do these …Percent Yield. The amount of product that may be produced by a reaction under specified conditions, as calculated per the stoichiometry of an appropriate balanced chemical equation, is called the theoretical yield of the reaction. In practice, the amount of product obtained is called the actual yield, and it is often less than the theoretical yield for a …STOICHIOMETRY: MASS-MASS PROBLEMS 1.2KC103 + _302 Name How many grams of potassium chloride are produced if 25 g of potassium chlorate decompose? / 25 ken How many grams of hydrogen are necessary to react completely with 50.0 g of nitrogen in the above reaction? 3, How many grams of ammonia are produced in the reaction in …Sandwich Stoichiometry - Reaction Progress – GeoGebra. Check Details. Stoichiometry yield key chessmuseum. Stoichiometry worksheet with answersStoichiometry lesson plans & worksheets Basic stoichiometry phet lab answers / mole lab worksheets teachingStoichiometry worksheet answers. ... Unit 08 - …

Madalin stunt cars game.

Part 1: Cheese Sandwiches 2. Select “Sandwiches” 3. Select “Cheese” at the top 4. Use the arrows to enter the following under reactants on the left (“Before Reaction”): 8 pieces of bread 8 pieces of cheese 5. Fill in the number of products and leftovers under “After Reaction” in the table below.Apr 1, 2024 · Stoichiometry is an important concept in chemistry, and this lab is set up to assist students grasp its concepts. This post will examine the Basic Stoichiometry Phet Lab Answer Key PDF in detail, discussing its key features, advantages, and the ways in which it might aid students in their grasp of stoichiometry. Discover how reactants, products and leftovers are related in chemical reactions. Make sandwiches with different ingredients and see the results. Try different levels of game mode and get feedback.One can find the percentage of the mass of a compound that comes from each of the elements in the compound by using this equation: (number of atoms)(atomic weight) % element = (FW of the compound) x 100. Percent Composition. So the percentage of carbon in ethane is... (2)(12.0 amu)

Chemistry: S’more Chemistry KEY An introduction to Stoichiometry You have spent a lot of time studying the various types of reactions that can occur in chemistry. You have also become experts in balancing chemical equations. In this activity, you will be introduced to simple stoichiometry. Stoichiometry is the chemical term marshmallow unit mass. 7.10 g. chocolate segments symbol. Or. chocolate segments unit mass. 3.30. s'more symbol. S2MmOr3. Study with Quizlet and memorize flashcards containing terms like What does the lab explore, What is the purpose of this lab, Stoichiometry - and more.Reactants Products and Leftovers. The simulation can be used to: *Relate the real-world example of making sandwiches to chemical reactions. *Describe what limiting reactant means using examples of sandwiches and chemicals at a particle level. *Identify the limiting reactant in a chemical reaction.The objective of this lab is to demonstrate the principles of stoichiometry by determining the limiting reactant and the theoretical yield in the production of s’mores. Stoichiometry is the calculation of the quantities of reactants and products in a chemical reaction based on the balanced chemical equation. In this lab, we will be using ...Stoichiometry_Practice_ANSWER_KEY.docx - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. Scribd is the world's largest social reading and publishing site.Chapter 9 Complete Stoichiometry Review Practice Problems with Answer Key.doc. Owner hidden. Dec 20, 2011. 57 KB. More info (Alt + →) Chapter 9 Limiting Reactants Test Practice Problems with Answer Key.doc. Owner hidden. Dec 20, 2011. ... Chapter 9 Stoichiometry-2 Test Review Practice Problems with Answer Key.doc. …Chemistry: S’more Chemistry KEY An introduction to Stoichiometry You have spent a lot of time studying the various types of reactions that can occur in chemistry. You have also become experts in balancing chemical equations. In this activity, you will be introduced to simple stoichiometry. Stoichiometry is the chemical termStoichiometry Practice Problems. This is a comprehensive, end-of-chapter set of practice problems on stoichiometry that covers balancing chemical equations, mole-ratio calculations, limiting reactants, and percent yield concepts. The links to the corresponding topics are given below. The Mole and Molar Mass.Honors Chemistry Name Katelyn Hardwick Stoichiometry Quiz Review Make Your Escape! Stoichiometry CODE: 8143 A mad chemist trapped your whole clss in the classroom. In order to escape, you must use your knowledge of stoichiometry to convice him to let you go. Answer the questions at each level and be sure to record each answer. Once all …Basic Stoichiometry Phet Lab Homework Exercises Answers 1 Basic Stoichiometry Phet Lab Homework Exercises Answers If you ally compulsion such a referred Basic Stoichiometry Phet Lab Homework Exercises Answers book that will meet the expense of you worth, get the extremely best seller from us currently from several preferred authors.Finding the Limiting Reactant and Excess Reactants Answers and Solutions Problem 1. For the reaction 2H_2 + O_2 \rightarrow 2H_2O, if you start with 4 \text{ moles} of H_2 and 2 \text{ moles} of O_2:. The stoichiometry of the reaction requires 2 moles of H_2 for every 1 mole of O_2.; You have enough H_2 to react with all of the O_2 (4 \text{ … Use concrete everyday experiences (such as making sandwiches) to describe the what a limiting reactant means in chemical reactions. Identify the limiting reactant in a chemical reaction. Predict the products and leftovers after reaction, based on the quantities of reactants and ratios of molecules in the balanced chemical equation.

4 Phet Sandwich Stoichiometry Lab Answer Key 2023-10-21 for target site location. The best known representatives, the orthodox type II restriction endonucleases, are homodimers which recognize palindromic sequences, 4 to 8 base pairs in length, and cleave the DNA within or immediately adjacent to the recognition site. In addition to their important

Dec 2, 2014 ... 17:31 · Go to channel · CHEM 101 Lecture Chapter 11 Solutions concentration calculations. Joseph Gardner•463 views · 2:56:52 · Go to cha...Summary. In this lesson, students will be introduced to the concept of gram to gram stoichiometry calculations. Students will be guided through a scenario regarding air bags and will be tasked with calculating the amount of gas (NaN 3) that must be used to inflate a vehicle air bag to the correct size. Follow-up practice problems are also provided.View 1.3 LAB.pdf from CHEM 1321 at Virtual High School. Chemistry B Sandwich Stoichiometry 40 Points Directions: 1. Go to the PhET simulation website: Sandwich Stoichiometry. Answer the followingThe term Stoichiometry comes from the Greek word "stoicheion" meaning element, and "metron", meaning measure. Mass and volume relationships between substances in a chemical reaction based on the mole ratios from coefficients in a reaction. this type deals with the mass relationships of elements in compounds.Gizmo Warm-up Just as a cook follows a recipe to decide how much of each ingredient to add, a chemist uses stoichiometry to determine the amounts of substances involved in chemical reactions. The Stoichiometry Gizmo™ allows you to try your hand at figuring out the amounts of reactants and products that take part in a chemical reaction. To begin, … I always use this lab before we actually discuss stoichiometry in class. This is great for Distance Learning! (But I use it during the regular school year). ★Digital Resource for Google Docs™★ Student Editable Lab Document (Google Doc™) Teacher Answer Key (Google Doc™) This activity is an excellent introduction to NGSS HS-PS1-7! Name: Alexandria Jeremi Block 6 Basic Stoichiometry PhET Lab Let's make some sandwiches! Introduction: When we bake/cook something, we use a specific amount of each ingredient. Imagine if you made a batch of cookies and used way too many eggs, or not enough sugar. YUCK! In chemistry, reactions proceed with very specific recipes. Answer Key Chapter 12: Stoichiometry. 12 Everyday Stoichiometry. ... Answers. My new ham sandwich is composed of 2 slices of ham (H), a slice of cheese (C), a slice ...

Earth stove 100 series model 3340.

Thiswritingstyle crossword clue.

View 1.3 LAB.pdf from CHEM 1321 at Virtual High School. Chemistry B Sandwich Stoichiometry 40 Points Directions: 1. Go to the PhET simulation website: Sandwich Stoichiometry. Answer the following View 1.3 LAB.pdf from CHEM 1321 at Virtual High School. Chemistry B Sandwich Stoichiometry 40 Points Directions: 1. Go to the PhET simulation website: Sandwich Stoichiometry. Answer the following to the answer key to check if your answers match the correct ones everyday stoichiometry example pageindex 1 ham sandwich stoichiometry solution step 1 list the known ... Chemistry: S’more Chemistry KEY An introduction to Stoichiometry You have spent a lot of time studying the various types of reactions that can occur in chemistry. You have also become experts in balancing chemical equations. In this activity, you will be introduced to simple stoichiometry. Stoichiometry is the chemical term Stoichiometry 1 Worksheet and Key - Free download as PDF File (.pdf), Text File (.txt) or read online for free. 7laqueous systems answers; introductory physical geography lab manual answers key; mad cowboy plain truth from the cattle rancher who wont eat meat by howard f mixed lyman 2001 08 02; 9th grade english odyssey stoichiometry answers; clinical trial methodology chapman and hall crc biostatistics series review; the unitedGo to the PhET simulation website: Sandwich Stoichiometry. Answer the following questions in the lab. Part 1: Cheese Sandwiches 2. Select "Sandwiches" 3. Select "Cheese" at the top 4. Use the arrows to enter the following under reactants on the left ("Before Reaction"): 8 pieces of bread 8 pieces of cheese 5.4. Given the following equation: Na 2 O + H 2 O ---> 2 NaOH How many grams of NaOH is produced from 1.20 x 102 grams of Na 2 O? How many grams of Na 2 O are required to produce 1.60 x 102 grams of NaOH? 5.Stoichiometry Gizmo - answer key. answer key. Course. Chemistry Laboratory I (CHM 113) 239 Documents. Students shared 239 documents in this course. University University of Miami. Academic year: 2023/2024. Uploaded by: Anonymous Student. This document has been uploaded by a student, just like you, who decided to remain anonymous. ….

Answer Key Chapter 12: Stoichiometry. 12 Everyday Stoichiometry. ... Answers. My new ham sandwich is composed of 2 slices of ham (H), a slice of cheese (C), a slice ... Gizmo comes with an answer key. Each lesson includes a Student Exploration Sheet, an Exploration Sheet Answer Key, a Teacher Guide, a Vocabulary Sheet and Assessment Questions. The... Basic Stoichiometry PhET Lab Let's make some sandwiches! Introduction: When we bake/cook something, we use a specific amount of each ingredient. Imagine if you made a batch of cookies and used way too many eggs, or not enough sugar. YUCK! In chemistry, reactions proceed with very specific recipes. The study of these recipes is stoichiometry. If you’re a fan of chicken salad sandwiches, you know that finding the best one can be a challenge. The key to a great chicken salad sandwich starts with selecting the perfect chic... Stoichiometry Worksheet #1 Answers 1. 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. a. C 4H 10 / O 2 b. O 2 / CO 2 c. O 2 / H 2O d. C 4H 10 / CO 2 e. C 4H 10 / H 2O 2. Given the following equation: 2 KClO 3---> 2 KCl + 3 O 2 a. How many moles of O 2 can be produced by ... Our mission is to improve educational access and learning for everyone. OpenStax is part of Rice University, which is a 501 (c) (3) nonprofit. Give today and help us reach more students. Help. OpenStax. This free textbook is an OpenStax resource written to increase student access to high-quality, peer-reviewed learning materials.How many moles of water are produced when 57 moles of nitrogen are made? 3. Calculate the mass of aluminum oxide produced when 3.75 moles of aluminum burn in oxygen. Answers: 1A. 30 mol Ag 1B. 30 mol AgNO3. 1C. 20 mol H2O 1D. 10 mol NO. 2A. 38 mol N2H4 2B. 19 mol N2O4. 2C. 76 mol H2O.Dec 14, 2016 ... This is a whiteboard animation tutorial of how to solve simple Stoichiometry problems. Stoichiometry ('stoichion' means element, ...Procedure: 1. Run the Reactants, Products and Leftovers PhET. You’ll start in the sandwich shop. Explore the Sandwich shop. 2. Sandwich stoichiometry answer key, Basic Stoichiometry Phet Lab Homework Exercises Answers 3 3 In chemistry, reactions proceed with very specific recipes. The study of these recipes is stoichiometry...Basic Stoichiometry PhET Lab Let's make some sandwiches!B asic Stoichiometry PhET Lab rvsd 2/2011 Let's make some sandwiches! Introduction: When we bake/cook something, we use a ..., Chemistry document from Memorial High School, 8 pages, PHET: Sandwich Stoichiometry Lab Part I: Cheese Sandwiches 1. Go to this link: here 2. Select "Sandwiches" 3. Select "Cheese" at the top This should be the balanced equation that is on your screen: 4. Use the arrows above the bread and cheese to add the c, Part I : Cheese Sandwiches 1. Go to the PhET simulation website: https://phet.colorado.edu/sims/html/reactants-products-and-leftovers/latest/reactants …, Chemistry: S’more Chemistry KEY An introduction to Stoichiometry You have spent a lot of time studying the various types of reactions that can occur in chemistry. You have also become experts in balancing chemical equations. In this activity, you will be introduced to simple stoichiometry. Stoichiometry is the chemical term, Institution. Chamberlain College Of Nursing. Gizmos Student Exploration Stoichiometry Answers Key. Avogadro’s number, balanced equation, cancel, coefficient, conversion factor, dimensional analysis, molar mass, mole, molecular mass, stoichiometry Activity A: Moles Get the Gizmo ready: Check that the equation is still: Fe2O3 + 3CO ..., Since 5 pickles combine with 2 ham slices in each sandwich, 20 pickles are needed to fully combine with 8 ham slices. Step 3: Think about your result. The 8 ham slices will make 4 ham sandwiches. With 5 pickles per sandwich, the 20 pickles are used in the 4 sandwiches. Summary. An example of everyday stoichiometry is given. Review, Stoichiometry is a collective term for the quantitative relationships between the masses, ... Converting amounts of substances to moles—and vice versa—is the key to all stoichiometry problems, whether the amounts are given in units of mass (grams or kilograms), weight (pounds or tons), or volume (liters or gallons). ... Answer. 86.2 g., Gizmo Warm-up Just as a cook follows a recipe to decide how much of each ingredient to add, a chemist uses stoichiometry to determine the amounts of substances involved in chemical reactions. The Stoichiometry Gizmo™ allows you to try your hand at figuring out the amounts of reactants and products that take part in a chemical reaction. To begin, …, Chemistry: S’more Chemistry KEY An introduction to Stoichiometry You have spent a lot of time studying the various types of reactions that can occur in chemistry. You have also become experts in balancing chemical equations. In this activity, you will be introduced to simple stoichiometry. Stoichiometry is the chemical term, answer key for basic stoichiometry phet lab - Bing WIN MOTOR PARTS. 2 2 Basic Stoichiometry Phet Lab Homework Exercises Answers 2022-09-16 Basic Stoichiometry Phet Lab Homework ... sandwiches!B asic Stoichiometry PhET Lab rvsd 2/2011 Let's make some sandwiches! Introduction: When we bake/cook something, we use a …, Basic stoichiometry phet lab answer key Title: Pd: - Basic stoihiometry phet Lab Let's make a few sandwiches! Introduction: When we bake something/cook something, we use a certain amount of each ingredient. Imagine if you made a batch of cookies and used too many eggs, or lacked sugar. Fu! In chemistry, reactions continue with very specific ... , How many sandwiches can she make? Explain your answer. C the subscript shows there are 3 peices of bread, one thing of meat and 2 things of cheese 9 Because 33-2*12= 33/2= /2=7 so the max is 7. Relate the model to Chemistry: Open the Molecules screen, then explore a few common reactions and, Stoichiometry is one of the most fundamental topics in a high school chemistry course, but it is also one of the most challenging concepts for students to master. 1 Stoichiometry is abstract, making it challenging to learn and teach. 2 As with any abstract concept, activities that encourage conceptual thinking tend to promote a deeper level of understanding. 3, Create your own sandwich and then see how many sandwiches you can make with different amounts of ingredients. Do the same with chemical reactions. See how many products you can make with different amounts of reactants. Play a game to test your understanding of reactants, products and leftovers. Can you get a perfect score on …, 11. Write down the amounts of the reactants and products you need to make water with no leftovers. Answers may vary! 2 2 1 2 0 0 12. Write down the amounts of reactants and products you need to make water with H2 OR O2 leftover. Answers may vary! 4 3 4 0 1 Try the other two chemical reactions (making ammonia and combusting methane). 13. , Sandwich Stoichiometry PHET modified.docx - 175 kB. Download all files as a compressed .zip. Title. Stoichiometry for Remote Learning. Description. Reviewing …, Apr 5, 2024 ... Justify your answer. 5. In this simulation what do you think the sandwich represents, the atom or the molecule? Justify ..., Sandwich Stoichiometry Phet Answer Key Modern Quantum Mechanics - J. J. Sakurai 2017-09-21 Modern Quantum Mechanics is a classic graduate level textbook, covering the main quantum mechanics concepts in a clear, organized and engaging manner. The author, Jun John Sakurai, was a renowned theorist in particle theory. The second edition, …, Chemistry 11 Stoichiometry Review PackageMarch 10, 2017 3. When 5.00g of KClO. 3. is heated it decomposes according to the equation: 2KClO. 3. 2KCl + 3O. 2. a) Calculate the theoretical yield of oxygen. 5.00 H 3× H 3. 122.55 × 3 I K H 2., Dec 14, 2016 ... This is a whiteboard animation tutorial of how to solve simple Stoichiometry problems. Stoichiometry ('stoichion' means element, ..., What is the same on the left and right side of a balanced equation? Explain your answer. There are always the same elements and the same number of atoms of those elements on either side of the equation. This is because of the law of conservation of matter, where matter cannot be created or destroyed. Atoms are only rearranged. , Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations. PhET sims are based on extensive education <a {{0}}>research</a> and engage students through an intuitive, game-like environment where students learn through exploration and discovery., Stoichiometry Practice Problems. This is a comprehensive, end-of-chapter set of practice problems on stoichiometry that covers balancing chemical equations, mole-ratio calculations, limiting reactants, and percent yield concepts. The links to the corresponding topics are given below. The Mole and Molar Mass., Stoichiometry Worksheet #1 Answers 1. 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. a. C 4H 10 / O 2 b. O 2 / CO 2 c. O 2 / H 2O d. C 4H 10 / CO 2 e. C 4H 10 / H 2O 2. Given the following equation: 2 KClO 3---> 2 KCl + 3 O 2 a. How many moles of O 2 can be produced by ..., Chemistry: S’more Chemistry KEY An introduction to Stoichiometry You have spent a lot of time studying the various types of reactions that can occur in chemistry. You have also become experts in balancing chemical equations. In this activity, you will be introduced to simple stoichiometry. Stoichiometry is the chemical term , Everyday Stoichiometry. The quantitative relationship between reactants and products in a chemical reaction. Estimated3 minsto complete., Stoichiometry is a collective term for the quantitative relationships between the masses, ... Converting amounts of substances to moles—and vice versa—is the key to all stoichiometry problems, whether the amounts are given in units of mass (grams or kilograms), weight (pounds or tons), or volume (liters or gallons). ... Answer. 86.2 g., FlexBook Platform®, FlexBook®, FlexLet® and FlexCard™ are registered trademarks of CK-12 Foundation., Part I : Cheese Sandwiches 1. Go to the PhET simulation website: https://phet.colorado.edu/sims/html/reactants-products-and-leftovers/latest/reactants …, Sandwich Stoichiometry Answer Key Introduction to Soft Matter Ian W. Hamley 2013-03-18 This book provides an introduction to this exciting and relativelynew subject with chapters covering natural and synthetic polymers,colloids, surfactants and liquid crystals highlighting the many andvaried applications of these materials., View Sandwich_Stoichiometry_PHET_modified (1).docx from CHEM 100 at Amador Valley High. Sandwich Stoichiometry Name _ Part I : Cheese Sandwiches • Go to the PhET simulation ... Organizational ambidexterity can be defined as the need to combine Group of answer choices local responsiveness and global integration exploration and …, Basic stoichiometry phet lab sandwiches make some text answer enter name click let introduction answers homework questions Phet build an atom worksheet answers — db-excel.com Phet isotopes and atomic mass worksheet answer key — db-excel.com. Phet Isotopes And Atomic Mass Worksheet Answer Key — db-excel.com Stoichiometry phet pdffiller ..., 17.0 g/mol NH3. 3H2(g) → 2NH3(g) a. Determine to one decimal place the molar mass of each substance and express each mass in grams per mole. b. There are six different mole ratios in this system. Write out each one. 3 mol H2:1 mol N2; 2 mol NH3:1 mol N2; 2 mol NH3:3 mol H2; or their reciprocals. 7.