Penny stoichiometry lab.

Penny stoichiometry lab Record your data in TABLE 1. Procedure Day 1: 1. single replacement reactions lab 8. Zakiya Moses Ms. Step 1: Rinse a penny in tap water and dry completely. It is designed to help students link chemical computations with authentic laboratory chemistry. The mass and quantity In this lab, students will examine the chemical reaction between baking soda and vinegar, and mix different amounts of these household chemicals to learn about the concept of stoichiometry. Titration Lab Introduction The purpose of this lab is reach and be able to calculate the equivalence point when we use titration to neutralize a base with acid. ocean acidification lab & rubric 10. Step 2: Place the penny on paper towel. Cu(OH) 2] to form copper II oxide, carbon dioxide and water. The name of the character. 1. It is a perfect transition lab before a stoichiometry lab. Once only copper remains, we will compare its mass to the entire mass of the penny to determine how much of a penny is copper and how much is zinc. How many copper atoms are in your penny? 2. Carefully pour out the acid, remove the penny and rinse it with water before drying it with paper towels. They’ll feel almost like a candy wrapper. 5 mg/dl proving that lactase works best at an acidic pH number. Working together, match the equipment at your lab Chemistry penny lab is a popular experiment conducted in high school level chemistry classes to explore the concept of stoichiometry. My students work hard and remember what they learned. Place the penny in a 400 mL beaker and put the beaker in the fume hood. Explain Why Did The Dime Pull It Off And Holds More Drops Than The Penny 90 Words | 1 Pages; Unknown Compound 1525 Words | 7 Pages; Reasons Involved In Horace Verbermockle's Death 616 Words | 3 Pages; Stoichiometry Lab 563 Words | 3 Pages; Stoichiometry And Limiting Reagents Lab Report 1237 Words | 5 Pages; Medical Assistant Personal Statement Post lab stoichiometry determining the limiting reagent using the reaction sodium bicarbonate; Experiment+-+Prelab+Basic+Concepts+in+Measurements; Activity - Post Lab Identification of Unknown Elements; Activity - Isotopes and the Penny; Experiment - Prelab Chemical Bonding This page is for students who have either missed a lab session or would like to visit a lab previously done. In this lab, pennies are subjected to various chemical reactions to observe the changes in their physical appearance and mass. docx from SCIENCE 301 at Benjamin Banneker Shs. - Mass of the clean, dry, empty evaporating dish in step 10. Touch red probe to penny and the black probe to the nickel. HINT: Use your mass of Zn from Lab Questions #2 as the given mass. Target Stoichiometry Lab Mole Relationships and the Balanced Equation Introduction A simple decomposition reaction of sodium bicarbonate (baking soda) presents the opportunity for students to test their knowledge of stoichiometry, factoring labels, and the mole concept. Example 1: Water Lab 3: Stoichiometry. Grades: Please check Pinnacle at least once a week to stay up-to-date on class grades. Obtain one pre -1982 penny for four groups. Abstract This lab report is meant to give a comprehensive look into what the experiment is about, the analysis of the data collection, and the conclusion of the overall report. IB Chemistry Experiment 4 Composition of a Post-1983 Penny Lab Report Background: Through the use of percent composition one can easily find out how much of a certain element is in a compound or an item such as a post-1983 penny. Intro General Chemistry None. 0001g or to the limit of your balance’s sensitivity. A Four-Reaction Copper Cycle: Copper and Its Compounds—ChemTopic™ Lab Activity; A Safer Gold Rush Penny Lab; A Simple Serial Dilution; A Very Merry Indicator; Acids and Bases—ChemTopic™ Labs Digital Collection; Activity and Half-life of Potassium-40; Activity of Metals; Air Pollution Investigation: Air Quality—ChemTopic™ Lab Activity POST LAB: Review of Nomenclature and Stoichiometry Assume your penny was pure copper and weighed 3. MATERIALS/EQUIPMENT: Balance, 3 shiny pennies, 100, 150, and 250 mL beakers, small and medium iron rings, ring stand, burner, matches, wire gauze, watch glass, stirring rod, 25 mL graduated cylinder, forceps Oct 15, 2022 · Make a stack alternating coins and NaCl-soaked paper towel pieces: penny, paper, dime, paper, nickel, paper, nickel. When the Penny Drops. The following is the main content. CHM151LL Laboratory Report Form Fall 2011 Title: Project 5: SPECTROPHOTOMETRIC ANALYSIS OF A PENNY Date Run: 04/03/2012 Date Submitted: 04/15/2012 Grade: _____ Objectives: The purpose of this experiment is to use spectrophotometry to determine the percentage of copper in a copper-clad penny‚ and to determine the thickness of copper layer on the copper-clad penny. Carefully pour the beaker containing the acid down the drain while running the faucet. Use the balanced net lonic equation and a stoichiometry to calculate the mass of each of the following. After all the students in the lab have contributed their data on the post-1982 pennies, calculate the overall average mass of a post-1982 penny using all the students’ data. Conservation of Matter and Stoichiometry: The conservation of atoms in Feb 25, 2021 · Day 1 12. STOICHIOMETRY Laboratory Report. This lab relates to enzymes‚ proteins‚ and substrates; that we learned in class. flame test & rubric 5. 677 g Calculated Molar Mass of CuO 79. General Chemistry 100% (2) 8. Data This activity includes two versions of the lab and teacher instructions for making the solution and setting it up. This lab is perfect for chemistry teachers who are teaching dimensional analysis/ stoichiometry in parts. POST LAB: Review of Nomenclature and Stoichiometry Assume your penny was pure copper and weighed 3 g. Let’s explore a couple of scenarios to illustrate how stoichiometry helps us solve chemical equations. 5. A Four-Reaction Copper Cycle: Copper and Its Compounds—ChemTopic™ Lab Activity; A Safer Gold Rush Penny Lab; A Simple Serial Dilution; A Very Merry Indicator; Acids and Bases—ChemTopic™ Labs Digital Collection; Activity and Half-life of Potassium-40; Activity of Metals; Air Pollution Investigation: Air Quality—ChemTopic™ Lab Activity 1. Definitions: ‘Stoichio’ means element and ‘metry’ means the process of measuring. Obtain a pre-cut penny from 1983 or later (these pennies are mostly Zn) 2. Then you will once you find the moles you will times it by copper’s molar mass. How many copper atoms are in your penny? Verna Wang Hannah Palmer CHEM 101-069 Lab 11-19-16 Stoichiometry and Limiting Reagents Lab Report Purpose: We are using the reaction of sodium hydroxide and calcium chloride to illustrate stoichiometry by demonstrating proportions needed to cause a reaction to take place. Reaction \ref{3}: Reaction \ref{4}: Your goal in this lab is to experimentally verify the mole-to-mole ratios between a certain reactant and a certain product in both reactions. Calculate the mass of zinc found in the penny. Future assignments will generally be post dated in Pinnacle so you know what is due, dates are tentative and are subject to change. - Mass of the evaporating Below is a copy of the test review for stoichiometry, balancing & classifying reactions, and writing net ionic equations. Study with Quizlet and memorize flashcards containing terms like Day 1 summary, Day 2 summary, What is the percent composition of the pre-1982 penny? and more. More about . " "Use the links at the right to access the procedure and post-lab for this experiment. Mastering Stoichiometry with PhET Lab Answers to Basic Find the basic stoichiometry lab answers for the PhET simulation Learn how to balance chemical equations and calculate the quantities of reactants and products in a chemical reaction Get Virtual Lab: Determining Stoichiometric Coefficients We recommend using a modern browser (Chrome, Safari, or Firefox) to access the virtual lab. Part A Comparison of Penny Densities Pre and Post 1982. In this lab activity, let’s see if you can change the amounts of the metals contained in a penny and if its properties are changed. Below you will find the title of the lab, a link to the virtual lab, as well as any documents which will need to be turned in. Now, the penny has to be dried by a bunsen burner to ensure water molecules won’t be part of the weight of copper. Which will give you the percent copper in a penny. 3 Mastery Set 2 Due 10/2 Stoichiometry Pre-lab 1. Record the mass. Place the penny in a beaker and add enough 6M HCl to cover the penny in 4. Stoichiometry Lab In this experiment, you will decompose a mixture of basic copper II carbonate [with the formula CuCO 3. Stoichiometry Lab Purpose: The objectives of this laboratory are to experimentally determine the mole-to-mole ratios and masses between the underlined reactants and products in the following double displacement “gas forming” reaction: sodium carbonate + aqueous hydrochloric acid →aqueous sodium chloride + carbon dioxide gas + liquid water 2. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright CHEM 1001. The lab allows students to select from hundreds of standard reagents (aqueous) and manipulate them in a manner resembling a real lab. Place the penny in a beaker and add enough 6M HCl to cover the POST LAB: Review of Nomenclature and Stoichiometry Assume your penny was pure copper and weighed 3 g. Walther Lutheran • Chemistry Name _____ Unit 6 – Stoichiometry Unit Outline Topics Date Mon 11/12 Tue 11/13 Wed 11/14 Thur 11/15 Fri 11/16 Mon 11/19 Tue 11/20 Wed 11/21 Thur 11/22 Fri 11/23 Mon 11/26 Tue 11/27 Wed 11/28 Thur 11/29 Fri 11/30 Mon 12/3 Homework Notes: Percent Composition, Empirical Formula, Molecular Formula Practice: Empirical Formula Notes: Mass Stoichiometry Lab 17 Class: Day 1. 0015g with 2. Empirical Formula Stoichiometry . The equivalence point is when the same Penny Lab Report Due to this fact, the concentration of copper in the solution is able to be calculated by using light absorbance. 545 g Starting mass of CuSO4•5H2O 2. When the gas cools, the water is drawn back … Mar 31, 2025 · LAB 4 (Week 5) Chemical Formlua Determination; LAB 5 (Week 6) Types of Reactions; LAB 6 (Week 7) Mole Ratios and Reaction Stoichiometry; LAB 7 (Weeks 8 & 9) Titration of Vinegar; LAB 8 (Week 10) Calorimetry and Hess’s Law; LAB 9 (Week 11) Determination of the Gas Constant; LAB 10 (Week 12) Gravimetric Analysis of an Unknown Sulfate View Ch 11 Gas Stoichiometry Lab from CHE INORGANIC at Peoria Notre Dame High School. The mass of copper is subtracted from the total mass of the penny to get the mass of zinc. The mass of a Penny: Using the difference scales available; determine the mass of the same penny. Put your name on the paper towel and place it in the lab somewhere that you can find it the What is the composition of the post- 1982 penny? 97. 25 grams is 0. State the number of significant figures in each measurement. Record in data section. Materials: May 24, 2021 · View Smore_Stoichiometry-Lab-Key. number of post-1982 pennies you used. 3 Warm-Up_ANS KEY Jul 10, 2023 · Mass of brass penniesPage 4 Penny #: Penny 1 ( ) Penny 2 ( ) Penny 3 ( ) Weight 1: Weight 2: Weight 3: AveragePage 5 CALCULATIONS : DESCRIPTION OF VALUE CALCULATIONS VALUE Part A Mass of penny Average of three weighings (#6) g ppm of diluted sample Recorded from the AA ppm ppm of copper of 50 mL sample Use M 1 V 1 = M 2 V 2 , where M 2 = ppm WHAT IS A PENNY WORTH??? (Lab Guidelines: 1,2,3,4,5,6,7,9,10,11,12) Purpose: To determine the actual monetary value of a penny, using your knowledge of chemical reactions and stoichiometry. Students love this lab. Lab 3 Determination of the formula of Ionic hydrates week 6 10/01: Pre-lab 4, Report lab 3 due Lab 4 Determination of the Empirical formula of an oxide week 7 10/08: Post lab 4 and Report Lab 4 due Lab 5 Discussion on project work, group assignment, and presentation rubric week 8 10/15 No lab (mid exam period) Topic: Mass–Mass Stoichiometry and Percent Yield A. S'more (S2MmOr3) Stoichiometry Pre-lab problems, show your answers to Ms Loeblein and then you will get Equilibrium Penny Lab Penny-Ante Equilibrium Activity Introduction: What is equilibrium? Stoichiometry is a branch of chemistry that includes determining desired This activity was adapted from Flinn ChemTopic™ Labs; Volume 7, Molar Relationships and Stoichiometry; Cesa, I. Based on the average mass of the post-1982 penny, what would be the mass of 75 such pennies? Stoichiometry Practice Lab: Gravimetric Determination of the Concentration of a Strong Acid OWL Ch. precipitate lab 9. Students lov CHM151LL Laboratory Report Form Fall 2011 Title: Project 5: SPECTROPHOTOMETRIC ANALYSIS OF A PENNY Date Run: 04/03/2012 Date Submitted: 04/15/2012 Grade: _____ Objectives: The purpose of this experiment is to use spectrophotometry to determine the percentage of copper in a copper-clad penny‚ and to determine the thickness of copper layer on the copper-clad penny. Put a pre-1984 penny of 6M nitric acid under a fume hood 1. ⚠ Use extra care when working with concentrated nitric acid (HNO 3)! It causes severe chemical burns! In this lab students will determine through solution stoichiometry the amount of solid sodium hydroxide they will need to make a solution in which they will plate out zinc on a copper penny. Goals/Purpose of Experiment (2 Points, ~50 words): The goal of this experiment is to use various stoichiometry to determine the mole ratio which reactants combine to form products. SchoolTube is an educational video site that offers an engaging way for teachers, students, and parents to access and share educational content. 5% Copper In the conclusion questions, did your post-1982 have a larger percent of zinc or copper? Feb 19, 2021 · Enhanced Document Preview: Stoichiometry Lab - Penny and HCl Procedure Day 1. Stoichiometry Lab – The Penny and HCl. This lab combines only moles, grams, and molecules conversions. Conservation of Matter and Stoichiometry: The conservation of atoms in A Four-Reaction Copper Cycle: Copper and Its Compounds—ChemTopic™ Lab Activity; A Safer Gold Rush Penny Lab; A Simple Serial Dilution; A Very Merry Indicator; Acids and Bases—ChemTopic™ Labs Digital Collection; Activity and Half-life of Potassium-40; Activity of Metals; Air Pollution Investigation: Air Quality—ChemTopic™ Lab Activity An introduction to Stoichiometry You have spent a lot of time studying the various types of reactions that can occur in chemistry. Practice CHMY121 spring Penny Lab Report Due to this fact, the concentration of copper in the solution is able to be calculated by using light absorbance. 5 to 5. 29. Apr 27, 2024 · Predict the number of drops that you think will fit onto the head of the penny in Table 3: Trial #1. government made some changes in the composition of the penny. Verna Wang Hannah Palmer CHEM 101-069 Lab 11-19-16 Stoichiometry and Limiting Reagents Lab Report Purpose: We are using the reaction of sodium hydroxide and calcium chloride to illustrate stoichiometry by demonstrating proportions needed to cause a reaction to take place. In this lab we will use pennies, which are made mostly of Zn and Cu. They stay engaged and enjoy completing the task. Earlier pennies were composed of over 95% copper. Once you're in the activity, click Show Answers & Notes at the top of the activity. %PDF-1. Enzyme Lab Marcus James. hot solutions lab & rubric 2. Students lov LAB 6 - Lab 6 on Stoichiometry of Reactions; LAB 5 - Lab 5 Electrochemical Cells; Lab penny - lab stuff. Purpose: Determine the densities of pennies which date from 1983 and later and of pennies from 1981 and earlier. CHM 111 Experiment/Lab 1 Graphing. Lay penny on a paper towel to get the majority of water off of the penny. It is the responsibility of the student to complete this lab and turn in the assignment in a timely fashion. 30. 10 A: 9/30 By the following day the zinc should have fully reacted and you should have a hollow penny. Reaction will be slow 2. 3 Mastery Set 2 Due 1. lab report Introduction : During this laboratory exercise will identify by the graph given which is isotonic‚ hypotonic‚ or hypertonic. Show calculations. 3. With a ruler, carefully measure the thickness and the diameter of the penny to the nearest 0. Lab Report: Stoichiometry Lab Oct. This activity is also available as a Chemical Mar 17, 2024 · Understanding stoichiometry means you’re learning a skill that scientists and professionals use daily to make the world work. 10. Equipment Frenzy . Step 3: Use an eye dropper to place drops of WATER on the penny (one at a time) until ANY amount of water Penny Stoichiometry: (Topic 4. December 20‚ 2013 HL Biology 3 Period 1 Purpose and Background The purpose of this lab is to explain how enzymes act as catalysts for biological reactions in different temperatures. Write the balanced equation for the reaction. 48 grams. The density of a metallic cylinder CU Penny - lab handout used to execute experiment aid in pre lab quiz and complete lab. The equivalence point is when the same LAB 6 - Lab 6 on Stoichiometry of Reactions; LAB 5 - Lab 5 Electrochemical Cells; Lab penny - lab stuff. Percent Yield of Na2CO3 from Baking Soda *B. , Editor; Flinn Scientific: Batavia, IL (2002). it by the final volume of the penny solution, which will give you the moles. WHAT IS A PENNY WORTH??? (Lab Guidelines: 1,2,3,4,5,6,7,9,10,11,12) Purpose: To determine the actual monetary value of a penny, using your knowledge of chemical reactions and stoichiometry. From the slope formula, the unknown [Cu2+] of the penny solution can be determined. They will show you a copper penny, a "silver" penny, and a "gold" penny. The process of the lab was determining the volume of a solution needed to react with a given mass or volume of a sample is called titration. Zinc reacts with hydrochloric acid. Penny Lab . Stoichiometry is the chemical term Showing top 8 worksheets in the category - Penny Lab. exists in our small intestine and our small intestine uses acid to break down food. Procedure: Refer to handout entitled “Stoichiometry of a Double Displacement Reaction” Materials: Refer to handout entitled “Stoichiometry of a Double Displacement Reaction” Data & Observations: Data Table Calculated Molar Mass of CuSO4•5H2O 249. Title The title should be descriptive. They are bonded together with metallic bonds. 09 and the initial mass of 2. Show all your work including units and significant figures. Materials for Stoichiometry Balloon Races—Limiting and Excess Reactants are available from Flinn Scientific, Inc. Use three decimal places in your answer. The union of the enzyme and the substrate is called exists in our small intestine and our small intestine uses acid to break down food. Burton AP Chemistry, PVI October 20, 2017 Stoichiometry Unit Assessment Lab AI Chat with PDF A Four-Reaction Copper Cycle: Copper and Its Compounds—ChemTopic™ Lab Activity; A Safer Gold Rush Penny Lab; A Simple Serial Dilution; A Very Merry Indicator; Acids and Bases—ChemTopic™ Labs Digital Collection; Activity and Half-life of Potassium-40; Activity of Metals; Air Pollution Investigation: Air Quality—ChemTopic™ Lab Activity Pre‐Lab Work Pre‐laboratory work is to be completed and turned in on the day the experiment is performed. Some of the worksheets displayed are Take a guess, Introduction to biology lab class activity work, How much water can a penny hold, Tracy trimpe, Lesson 2 the science of water student materials, How well does a punnet square predict actual ratios, Half life simulation with pennies, Claims evidence reasoning. Hydrate Lab Quiz Stoichiometry Practice OWL Ch. 27‚ 2011 Claire Elizabeth Lab Partners: Hannah Signature:_____ Introduction- Baking soda and vinegar are two common materials found in almost every household. How many moles of copper are in your penny? 2. Subject: Chemistry. Record in the data section. double replacement reactions lab 7. 11 g. The kidneys are a pair of fist-sized organs located outside the peritoneal cavity on each side of the spine. Start chilling 100 mL of deionized water in an ice bath. Unit 4 Lab 12 Learn with flashcards, games, and more — for free. 0001 g and record the data in TABLE 1. Weigh the penny on the analytical balance to the nearest 0. 07 Mass Of Na2co3 And Filter 1513 Words | 7 Pages; O-Vanillin Lab Report 840 Words | 4 Pages; Stoichiometry Lab 563 Words | 3 Pages; Copper Recovery Lab Report 471 Words | 2 Pages; Equilibrium Lab Report 1249 Words | 5 Pages; Copper Cycle Synthesis 578 Words | 3 Pages; Copper Cycle Lab Stoichiometry And Limiting Reagents Lab Report 1237 Words | 5 Pages Verna Wang Hannah Palmer CHEM 101-069 Lab 11-19-16 Stoichiometry and Limiting Reagents Lab Report Purpose: We are using the reaction of sodium hydroxide and calcium chloride to illustrate stoichiometry by demonstrating proportions needed to cause a reaction to take place. 9 B: 9/26 A: 9/27 10/1 Stoichiometry Lab Quiz Take a Guess: How many drops of water can fit on one side of a penny? _____ Part A: Perform a CONTROL test for comparison with later results. An airbag must be able to deploy in a matter of milliseconds from the initial collision impact, and be prevented from deploying when there is no head-on collision. Measure the mass of the penny on one of the scales. 3 Warm-Up_ANS KEY Jul 10, 2023 · Mass of brass penniesPage 4 Penny #: Penny 1 ( ) Penny 2 ( ) Penny 3 ( ) Weight 1: Weight 2: Weight 3: AveragePage 5 CALCULATIONS : DESCRIPTION OF VALUE CALCULATIONS VALUE Part A Mass of penny Average of three weighings (#6) g ppm of diluted sample Recorded from the AA ppm ppm of copper of 50 mL sample Use M 1 V 1 = M 2 V 2 , where M 2 = ppm Stoichiometry and Solubility: Mole Ratios and Chemical Formulas—ChemTopic™ Lab Activity; Stoichiometry and Solubility—Mole Ratios and Chemical Formulas—Chemical Demonstration Kit, AP6443; Stoichiometry Balloon Races: Limiting and Excess Reactants—ChemTopic™ Lab Activity; Stoichiometry Balloon Races—Chemical Demonstration Kit, AP6444 "Use pennies to simulate half-lives in nuclear decay processes. Do not allow the coins or the edges of the paper towels to touch. 1 mm. The Airbag Lab: An Application of Stoichiometry (Honors Chemistry Lab 25) Timing is everything in an airbag's ability to deploy quickly enough to save a life in a head-on collision. Lastly to find the percent copper in a penny you will times the grams of copper by 100 and divide by the grams of the penny. interactive simulations like the PHET "Basic Stoichiometry" lab. For example, “pH Titration Lab” is a descriptive title and “Experiment 5” is not a descriptive title. … Sep 22, 2021 · Pre-laboratory Assignment: Mole Ratios and Reaction Stoichiometry. 8. Hydrated Copper Sulfate Lab ReportEssay On Penny Lab 444 Words | 2 Pages; Chem 100 Final Lab Report 1366 Words | 6 Pages; Stoichiometry Lab Report 845 Words | 4 Pages; Copper Recovery Lab Report 471 Words | 2 Pages; Determining The Density Of Unknown Metals Lab Report 2259 Words | 10 Pages; Empirical Formula Of Copper Chloride Lab Verna Wang Hannah Palmer CHEM 101-069 Lab 11-19-16 Stoichiometry and Limiting Reagents Lab Report Purpose: We are using the reaction of sodium hydroxide and calcium chloride to illustrate stoichiometry by demonstrating proportions needed to cause a reaction to take place. Essay On Penny Lab 444 Words | 2 Pages; A Comparison Of 1. Percentage of CaCl2 in an Unknown Mixture 16 Generating Hydrogen Gas 177 CHM121 ES Copper Lab Name QUESTIONS AND CALCULATIONS CALCULATION TABLE 00p-7a( Start with your theoretical yield. 2. POST LAB: Review of Nomenclature and Stoichiometry Assume your penny was pure copper and weighed 3. Obtain a penny minted after 1982. 47 and multiplied by 100. Since zinc doesn’t absorb any light, we are able to deduce that the greater the absorbance, the greater the concentration of copper. Understanding stoichiometry becomes clearer with practical examples. … View Paint Lab AP 1617. The result from the lab prove my hypothesis correct because lactase worked well at body temperature and it also worked well at pH of 4. 0095g Fe or iron powder produced a solid precipitate of copper while the solution remained the blue color Mar 6, 2018 · View Lab - Stoichiometry Unit Assessment Lab Reports. 1 – Stoichiometry Practice Wed 2/17 (Blue) TELPAS Writing Sample Lab: Penny Stoich Day 2 Homework Feedback Lab – Penny Stoichiometry Thurs 2/18 Fri 2/19 Limiting Reactants CB Lesson 3. We predicted that the brown substance on the nails is copper because the reaction of copper(II) chloride with iron is a single displacement reaction, so copper would be produced. LAB - Mystery Material; LAB - Density / Displacement; LAB - Trash or Treasure; LAB - Alchemist's Pennies; 3 - Atomic Structure; 4 - The Periodic Table; 5 - Chemical Bonding; 6 - Nomenclature; 7 - Chemical Reactions; Semester I Review; 8 - Moles and DA; 9 - Stoichiometry; 10 - Gas Laws; 11 - Water and Solutions; 12 - Acids and Bases; 13 IB Chemistry Experiment 4 Composition of a Post-1983 Penny Lab Report Background: Through the use of percent composition one can easily find out how much of a certain element is in a compound or an item such as a post-1983 penny. filesusr In this lab, we will determine the percent composition of a modern (post-1982) penny by using a strong acid to react and dissolve the zinc core, leaving only the copper coating. Percentage of NaHCO3 in an Unknown Mixture 15 Precipitating Calcium Phosphate 167 Topic: Mass–Mass Stoichiometry and Percent Yield A. 5; Learning Objective SPQ–4. Great for eLearning Day assignments, makeup lab assignments, and in-class learning. 51g_ Mass penny after AI Chat with PDF Copper-Iron Stoichiometry Lab Report 10/3/12 Abstract: The lab performed required the use of quantitative and analytical analysis along with limiting reagent analysis. ⚠ The beaker must be in the fume hood before proceeding. In this lab, students will examine the chemical reaction between baking soda and vinegar, and mix different amounts of these household chemicals to learn about the concept of stoichiometry. penny density & rubric 4. Record these masses and indicate the accuracy in each measurement. Using a triangular file, make four deep scratches into the edges of a post-1982 penny to expose the zinc. You have also become experts in balancing chemical equations. 3 Warm-Up: Isotopes and Mass Spec; Finish Penny Isotope Activity; Start Hollow Penny Demo; Percent Composition and Empirical Formulas Examples; Notes: Penny Isotope Activity_ANS KEY; Percent Composition and Empirical Formulas Examples_ANS KEY; Homework: Hydrate Pre-lab; Answer Keys: Day 1. NAME: Rj Hamdan DATE: 11/1/ SECTION: TA:Ben Kies. Use a pipette to draw up 2 mL of water and carefully drop individual drops of water onto the head of the penny. Percent Yield Lab; Endothermic and exothermic; Lab 4 - Lab for calorimetry with examples; Penny Half Life 1; Httpsf 2c53fc3 2947 4cef 9204 fef2188a1f85. 0. Purpose: The purpose is to investigate and determine a) the product from a chemical reaction between a penny and ZnCl 2 solution and b) how heat affects the above product. Age group: elementary and up. Include (states). docx from CHEM 16615 at Baconton Community Charter School. Materials List: Graduated Cylinder Water Balance Pennies Background: Density is mass per unit volume (D = M / V). Practice CHMY121 spring Titration Lab Introduction The purpose of this lab is reach and be able to calculate the equivalence point when we use titration to neutralize a base with acid. The penny will lightly touch the fire, and once the whole penny is dried, the penny is weighted to get the mass of copper. Stoichiometry Problem Map (Reference) File Size: 191 kb: File Type: doc: Nov 4, 2022 · From the formula, the unknown [Cu2+] of the penny solution can be determined. The reaction of Copper (II) Sulfate, CuSO4, mass of 7. separating a mixture by physical properties & rubric 3. Ornament . CHEM LAB: DENSITY OF A PENNY /30 pts. Working together, match the equipment at your lab Study with Quizlet and memorize flashcards containing terms like In step 2, when you add nitric acid to the copper wire, what is the gas produced?, What type of reaction is the digestion of solid copper wire by nitric acid?, Calculate the mass of copper recovered. Percent Yield of Ca3(PO4)2 from CaCl2 *B. 8 A: 9/26 B: 9/27 Nomenclature Quiz Unit 1 Multiple Choice Practice (Timed) Molarity Refresher OWL Ch. 4 12. Lab Questions: 1. Stoichiometry Examples. Write balanced equations for the two reactions you will perform in this lab. Grade Level: High School. 8 B: 9/22 A: 9/25 Lab Results Lab Discussion 10/1Lab Based Stoichiometry FRQ Stoichiometry Post-lab OWL Ch. Jennifer Thomas Period 1 Ch 11 Gas Stoichiometry Lab DATA: Mass penny before_2. This outcome-based lab requires the students to pre- WHAT IS A PENNY WORTH??? (Lab Guidelines: 1,2,3,4,5,6,7,9,10,11,12) Purpose: To determine the actual monetary value of a penny, using your knowledge of chemical reactions and stoichiometry. Introductory Video and Support Information Alexis Becker Pre-Lab Experiment 7 Avinash Pallagani Investigating Stoichiometry with sodium salts of carbonic acid 4/2/14 A summary of the concepts: The purpose of this lab is to better understand “stoichiometry”. In this lab students will determine through solution stoichiometry the amount of solid sodium hydroxide they will need to make a solution in which they will plate out zinc on a copper penny. Introduction: In 1982 the U. 1. 3 Mastery Questions Set 1. Laviana Nguyen Aliyah Balas November 13, 2021 General Chemistry I F700A Professor Nagib. CHM113L L3 Stoichiometry Updated Procedures FA23; CHM113L L3 Stoichiometry Updated Procedures SP24; CHM 101L RS T2 - Chemistry lab assignment help; Lab 7 Hess's Law; Lab 7 Enthalpy and Hess’s Law Notebook Scientific Method Penny Drop Lab: File Size: 15 kb: File Type: docx: Download File. The experiment will be using HCl a strong acid to dissolve all the zinc inside the outer copper shell. A. In this activity, you will be introduced to simple stoichiometry. Take the mass of the penny on one of the scales. stoichiometry of a single replacement Essay On Penny Lab 444 Words | 2 Pages To calculate the percentage of Cu, we divided the final mass of the penny 0. 2 – Limiting Reactants Mon 2/22 Tue 2/23 Percent Yield Baking Soda & Vinegar Lab Stoich. How many copper atoms are in your penny? CHM151LL Laboratory Report Form Fall 2011 Title: Project 5: SPECTROPHOTOMETRIC ANALYSIS OF A PENNY Date Run: 04/03/2012 Date Submitted: 04/15/2012 Grade: _____ Objectives: The purpose of this experiment is to use spectrophotometry to determine the percentage of copper in a copper-clad penny‚ and to determine the thickness of copper layer on the copper-clad penny. Place a penny on a flat surface and record the number of water drops that can be added to the top of the penny before the water spills over. Students examine the hollow pennies. 73 grams subtracted by 2. The expanding gas displaces water from another flask; actually bubbles in this set up. Note that we will assume that the penny is perfectly After a while, a brownish color substance started to form on the three iron nails. 5% Zinc 2. 48 grams of iron was used in the reaction because 2. "I love these resources! I've shared them with my coworkers and they've enjoyed them as well. pdf from BLADE 345 at Shree Kapildhara Polytechnic, Igatpuri. 4 %âãÏÓ 249 0 obj > endobj xref 249 45 0000000016 00000 n 0000001828 00000 n 0000001987 00000 n 0000002537 00000 n 0000003132 00000 n 0000003524 00000 n 0000004130 00000 n 0000004659 00000 n 0000005037 00000 n 0000005254 00000 n 0000005434 00000 n 0000005612 00000 n 0000005928 00000 n 0000006042 00000 n 0000006154 00000 n 0000007076 00000 n 0000007255 00000 n 0000008186 00000 n The Virtual Lab is an online simulation of a chemistry lab. 4. Students also viewed. 7. We will be reacting sodium carbonate (NaHCO)3 and sodium carbonate (Na2CO3) with hydrochloric acid to produce sodium chloride Stoichiometry Acid-Base HCl-H 2 SO 4 Lab This video shows the determination of the mole ratio in an acid-base reaction by measuring the temperature change in the reaction with a temperature probe. S. Using forceps, remove the penny from the beaker and place it in the water beaker. Once they have, they will carry out their chemical plating, then heat the now-silver penny to create an gold-looking alloy of zinc-copper. 27. You need: Pennies; Water; Droppers; The first of our experiments is the simplest, and one of the most fascinating for students. It is perfect for students to physically visualize and start measuring substances. Mass the penny to 0. How much is a tee room? Count the number of drops until the water spills over the edge of the penny. 9 A: 9/28 B: 9/29 Lab 2: Stoichiometry Stoichiometry Post-lab 1. " 2. 3 Mastery Questions Set 1 Due 9/25 1. You will determine the moles of reactant used and product produced through careful measurement of masses and by stoichiometry. Teachers and student aides - click HERE for preparation directions. Mass of copper in penny/ring/wire/solution (theoretical yield)二。 Mar 31, 2025 · LAB 5 (Week 6) Types of Reactions; LAB 6 (Week 7) Mole Ratios and Reaction Stoichiometry; LAB 7 (Weeks 8 & 9) Titration of Vinegar; LAB 8 (Week 10) Calorimetry and Hess’s Law; LAB 9 (Week 11) Determination of the Gas Constant; LAB 10 (Week 12) Gravimetric Analysis of an Unknown Sulfate; LAB 11 (Weeks 13 & 14) Spectrochemistry Oct 15, 2022 · Make a stack alternating coins and NaCl-soaked paper towel pieces: penny, paper, dime, paper, nickel, paper, nickel. MATERIALS/EQUIPMENT: Balance, 3 shiny pennies, 100, 150, and 250 mL beakers, small and medium iron rings, ring stand, burner, matches, wire gauze, watch glass, stirring rod, 25 mL graduated cylinder, forceps S’mores Stoichiometry Lab Introduction: In this experiment, you will explore the principles of stoichiometry by building S’mores, the delicious, chocolate, marshmallow, and graham cracker treats. A) This can be done as a demonstration or as a student mini-lab. Questions Answer in complete sentences SHOW ALL MATH FOR CREDIT! INCLUDE UNITS & SIG FIGS IN ALL ANSWERS! 1. Limiting Reactant . Make sure that the penny is on one end, and the nickel on the other end. Students will coat a copper penny with zinc and then alloy the zinc to the copper to form brass. [Cu2+] = absorbance/slope Part B: Preparation of pre=1983 and post-1984 penny solutions 1. Calculate the mass of copper in the penny. 050 g Mass of Demonstrating Nitric Acid Acts Upon a Copper Penny Experiment: AKA-Penny Operated Nitric Acid Fountain Nitric acid acts upon copper to yield nitric oxide in an exothermic reaction. 6. California Science Content Standards: • 3. Penny Density Lab: File Size: 295 kb: Stoichiometry. This activity includes two versions of the lab and teacher instructions for making the solution and setting it up. % composition of hydrates & rubric 6. More information and offline downloads. The density of pennies made pre-1982 and post 1982 will be determined and compared. Expt 6 - Determination of Copper In a Penny - 2023. In this lab, students will use a temperature sensor to determine the mole ratio between the reactants sodium hypochlorite and sodium thiosulfate. zgxjc bytlts msfsgc syv reci arun pbxbpoi iyvb qlvoun ffqwq