Zinc iodide lab report answers. – = Mass of unreacted zinc (A5) 2.
Zinc iodide lab report answers 933 5 Observations after addition of methanol: methand = clear uten edeled to flosk w/ iochire $2inc, mixture turns to a dork red broun then rected tims to clear Get Quality Help. Chemistry Unit 5 Topic 1 Nomenclature LAB-CORE Formation and Decomposition of Zinc Iodide– Student Page Name _____ Background: Compounds are chemical combinations of elements. Hence the 4 of product from the reaction was not all going to be from the compound of Zinc Iodide formed, but also from residue of unreacted Zinc. _ 852 Sec. Provide data and/or written answers to the following questions on the Report Cover Page distributed in lab. Place 1 scoop of zinc in Vial A and add 10 drops of copper (II) sulfate. (A4) – (A1). The masses will be used to calculate mole ratios and determine the empirical formula. Through this video and experiment, the limiting reagent of the 2. Dilute hydrochloric acid, HCl(aq) or dilute sulfuric acid, H 2 SO 4 (aq) (IRRITANT) – see CLEAPSS Hazcard HC047a. Experiment 10: The Combination of Two Elements - The Reaction of Zinc and Iodine Data Sheet Data Mass of ANALYSIS – ZINC IODIDE 1. Zinc and iodine will be reacted in varying amounts and their masses measured before and after reaction. Procedure Synthesis of zinc iodide. Place a small amount of zinc metal in the solution. Mix well. 553 1. Mass of flask + iodine Mass of empty flask = Mass of iodine used Mass of winc used 1. To the test tube with aqueous KI/cyclohexane add 1 mL of Br Nathanael Geffrard 28 Septembe 2021 Lab Report. 5289 0. Making Observations and Inferences - Zinc Iodide Synthesis Styles Narne: Date of Lab Session: Breakout Room Group Members' Names: PART 1: DATA Table 4-1: Masses of Reactants (0. Chem. 0; Options: Switch to calorie-based units synthesis of zinc iodide report answers would zinc iodide and record the reaction shows the subscripts to see constantly and the body. 477 g 1. You should include the lab quiz as 30% of the final lab grade. If a reaction occurred, write its net ionic equation. Fill in your Search this site. From the data collected below, 1) determine the percent iodide in zinc iodide and comment on the accuracy of this value, 2) determine the empirical formula from the percent of zinc in zinc iodide you found from this lab and the percent of iodide in zinc iodide in this problem 1. Oct 15, 2023 · Chemistry document from University of Wisconsin, Madison, 7 pages, Reaction of Zinc and Iodine This experiment is based on one published by Stephen DeMeo in J. Trial 1 Trial 2. Read, hear and view the historical documentation of our unique college. Payment is made only after you have completed your 1-on-1 session and are satisfied with your session. Observe the Study with Quizlet and memorize flashcards containing terms like Zinc Iodide, Empirical Formula, Objective 1 and more. Jess C. 9739 22. 4. Mass of zinc 9. 804 50 594 = Mass of iodine used 1. Morgen May Professor Stuart Cohen Chemistry 110 April 12th, 2021 The zinc iodide lab explains how the zinc reacts with the iodine. 090 g Mass of iodine at start: 2. 959 Mass of zinc used 1. The Iodine was already weighed for you which was: 2 Answer to Chemistry 110 Laboratory Empirical Formula of Zinc. Synthesis and formula of zinc iodide. Oct 29, 2018 · Calculations The following calculations must be handwritten in your lab notebook as part of your lab report - Mass of unreacted zinc - Mass of reacted zinc - Moles of reacted zinc - Mass of reacted iodine - Moles of reacted iodine - Mole to mole ratio (iodine to zinc) - Empirical formula Not a calculation. 940 8 Observations after addition of methanol: Masof iodine MASS of Flasit used soud weigning 52. :_ Names: Kyra Mathew _ Trevor Rottiger View 110B_-_Zinc_and_Iodine_-_Lab_Report. 9. Download file to see previous pages. Mass of beaker 15. Report the following data: Mass of zinc used • Mass of iodine used; Mass of excess reagent • Mass of reagent in excess which was; consumed. Empirical Formula of Zinc Iodide. 00838 mol Moles of iodine" reacted: 0. Part 2 Single Displacement Reaction 9. 8989 8 change of color and hearing up Zinc iodide is produced in the reaction. 0164. Both the Zinc and Zinc Iodides were placed on ‘Hot plate’ and then massed again. Equipment You will need one 150 mL beaker, a 600 ml beaker (your waste beaker), crucible tongs, a \(\PageIndex{E}\): Reactions of copper (II) sulfate solution and zinc. Vickery Last Revised 06/12/24 by KH Experiment#1 -Determination of an Empirical Formula: The Reaction of Zinc and Iodine OBJECTIVES In successfully completing this lab you will: synthesize and purify zinc iodide by reacting elemental zinc and iodine; employ relative mass to determine the empirical formula for zinc iodide; evaluate the validity of the Law of Mass d. 5. 553 62. 9981 Mass of boiling tube + zinc + iodine Calculated mass of zinc reactant Calculated mass of iodine reactant Table 4 Nov 26, 2023 · To create a histogram for your Zinc Iodide lab report, follow these steps: Collect Your Data: Gather the quantities or measurements you obtained from your experiment. 1. Mass of residual Lab report for chemistry on edgenuity; Lab Report - edgenuity: chemical and physical changes; LAB The Absorption Spectrum of Cobalt(ll) Chloride; Laboratory Techniques Lab Report; 3210-02-02-student-guide; 5 - Idk The reaction is When the end point is reached she stops the titration. If your instructor says so, do a second trial with fresh quantities of zinc and iodine. Synthesis of Zinc Iodide and Magnesium Oxide In this lab you will synthesize zinc iodide from zinc metal and solid iodine. 894 Mass of tinc used 1. 911 Observations after addition of methanol: 51. From this data, you can calculate the mass of zinc and iodine EXPERIMENT 1 Determination of Chemical Formulae: The Reaction of Zinc and Iodine Objective: In successfully completing this lab you will: synthesize and purify zinc iodide by reacting elemental zinc and iodine; employ relative mass to determine the empirical formula for zinc iodide; evaluate the validity of the Law of Mass Conservation; investigate chemical reversibility by decomposing a Put flask with zinc particles on hotplate without cap to dry at medium heat, swirl to speed up drying time Step 12: put beaker with zinc iodide and methanol on hotplate, leave for part 2 Chemistry questions and answers; Finding the Empirical Formula of Zinc Iodide Report Sheet Table 4. 0 M copper (II) sulfate solution to a test tube. 668g 49. Predicted Type(s) of Reaction : Single-displacement reaction Observations of Products : Copper is in solid state and zinc sulfate in aqueous state. Apr 14, 2021 · Enhanced Document Preview: Lab report for zinc iodide experiment. Chemicals Question: 4 Finding the Empirical Formula of Zinc Iodide Report Sheet Table 4. Mass of zinc at start: 2. Answer the questions on Part 1 in the Lab Report. The objective of this experiment is to determine the empirical formula of a zinc iodide Feb 6, 2023 · 3-2 Reaction of Zinc and Iodine Techniques in This Experiment On the Web In the Manual (Appendices) In the Textbook View the following on your Canvas homepage: • Pre-lab video • Pre-lab quiz • Post-lab online data entry Study the section concerning • Accurate Weighing (A2) • Drying to Constant Weight (A2) • Gravity Filtration (A2) • Types of Observations (A2) • Pre-lab activity Visit the Library Archives. Step-by-step instr CHM 110 1. – = Mass of unreacted zinc (A5) 2. Formula: I 2 Zn; Molecular weight: 319. Question: Lab Section_ Results and Discussion - Experiment 2 - Empirical Formulas A. Experiment 3 Synthesis of Zine Iodide Lab Partners: John Taylor Jahliyah Edwards Zeina Gouda Procedure&Reportsheet. Predicted Type(s) of Reaction: Single-displacement reaction Observations of Products: Copper is in solid state and zinc sulfate in aqueous state. Place a thermometer in the ethanol and record the temperature. First, we determined/weight the mass of the 50mL Erlenmeyer Flask which was:33. After the reaction took place, the dry “leftover” Zinc was decanted away from the Zinc Iodide compound solution. Answer to Chemistry 110 Laboratory Empirical Formula of Zinc. 959 Mass of remaining said Zinc iodide is produced in the Lab Report: Types of Reactions Reaction 1: Add Zinc to Copper Sulfate. Skip to main content. The experiment will also test the laws of mass conservation and constant composition Chemistry 143 Experiment #7 Synthesis of Zinc Iodide Dr. You will also synthesize magnesium oxide from magnesium metal and oxygen. Instructions for Writing the “Zinc Iodide” Lab Report This lab report should be typed using Microsoft Word and submitted using the Drop Box function in D2L. 3. One of thereactants was the limiting reactant and the other was the excess. Visit the past to inform the present. zinc iodide. Mass of iodine 5. 7. The empirical formula for zinc iodide is the same as the molecular formula. (A3) – (A5) Show your work This video demonstrates the reaction of equal parts of zinc and iodine to create zinc iodide. This may include the concentration of Zinc Iodide solutions or other relevant variables. 490 Mass of empty flask 48. 090 g This document describes an experiment to determine the chemical formula of zinc iodide through synthesis and analysis. Report Sheet. Reaction of Zinc and Iodine: Lab Data and Report Form Complete one report per pair. mor 0 Making Observations and Inferences - Zinc Iodide Synthesis Styles Narne: Date of Lab Session: Breakout Room Group Members' Names: PART 1: DATA Table 4-1: Masses of Reactants (0. The zinc iodide will be damp and will need to be carefully heated until the sound of crackling stops and the zinc iodide is off-white or light yellow. 1 M aqueous potassium iodide solution in a 4 inch test tube and add 1 mL of cyclohexane. Also, the lab is about exactly how zinc needs to be present for there to be a reaction. 00 807 mol Moles of zinc reacted: 0. The solid zinc iodide will come out of solution as the water is boiled away. ) Write an equation for the chemical reaction that accounts for the observed reaction in this part of the lab. Chemistry 143 Experiment #7 Synthesis of Zinc Iodide Dr. The balanced chemical equation consists of stoichiometric factors which relate the number of moles of each species, not the mass ratios. The balanced chemical reaction : Zinc iodide, ZnI 2 (s), (IRRITANT) – see CLEAPSS Hazcard HC054. Come by during drop-in hours or make an appointment to view our collections. The lab report you write for this experiment should address several aspects of the scientific method. 959 Mass of remaining said Zinc iodide is produced in the Zinc iodide, ZnI 2 (s), (IRRITANT) – see CLEAPSS Hazcard HC054. I have to the synthesis of zinc iodide lab answers would keep them have faded and symbols in a few drops of life, and if the difficulties of chemistry. (You may have to wait 20 minutes to see any changes in appearance. Observations of Reactants : Zinc is in solid state and copper sulfate in aqueous state. Skip to navigation ààá "#$ ¶àá ¨¨¿Û This video shows how to use the data from the Empirical Formula Lab Video (link below) to calculate the empirical formula of zinc iodide. , 72, 1995, 836. It should be written in the third person or past passive. 082 g 2. Composition of zinc iodide lab report most organic compounds Oct 12, 2024 · Chemistry document from University of Wisconsin, Madison, 2 pages, Reaction of Zinc and Iodine: Lab Report Form Complete one report per pair. You also must complete and attach one Group Report Score Sheet for each member of your group. Name:_____ Chemistry 110 Laboratory. This lab answers some questions about zinc and iodide. 9981 Mass of boiling tube + zinc + iodine Calculated mass of zinc reactant Calculated mass of iodine reactant Table 4 7. Caddell NAME: Elena Melendez Avila DATA PART A: ZINC IODIDE Mass of 100 mL beaker AI Chat with PDF Hence the 4 of product from the reaction was not all going to be from the compound of Zinc Iodide formed, but also from residue of unreacted Zinc. Scan and upload this form and submit the physical copies of your notebook pages to your TA. Vickery Last Revised 06/12/24 by KH Experiment#1 -Determination of an Empirical Formula: The Reaction of Zinc and Iodine OBJECTIVES In successfully completing this lab you will: synthesize and purify zinc iodide by reacting elemental zinc and iodine; employ relative mass to determine the empirical formula for zinc iodide; evaluate the validity of the Law of Mass Oct 6, 2020 · Lab report: Empirical Formula of Zinc Iodide Rawan Elbadawy Chemistry 110 Laboratory Introduction A group of researchers were asked to find the empirical formula of Zinc Iodide. Fill in your section number and names. 548 g 0. 19; CAS Registry Number: 10139-47-6; Information on this page: Gas phase ion energetics data; References; Notes; Data at other public NIST sites: X-ray Photoelectron Spectroscopy Database, version 5. Caddell Synthesis of Zinc Iodide In this lab you will synthesize zinc iodide from zinc metal and solid iodine. Answer the question: What is a synthesis reaction? 8. Add about 3 mL of 1. Iodine and the zinc iodide product dissolve in methanol, zinc does not. 057 g Mass of dry zinc left over: 1. Mass of flask lodine 50. 804 Mass of empty flusk 02. Report the following data: Mass of zinc used • Mass of iodine used; Mass of excess reagent • Mass of reagent in excess which was; consumed Dec 6, 2023 · Experiment #3Limiting Reactants: The Reaction ofZinc with Iodine9/9/2019Abstract: In this lab, we observed the reaction between Zinc and Iodine. Educ. Write the expected balanced equation for the reaction between zinc and iodine 2n +1 (9)7 201₂ (agy 29652 д 2. Oct 20, 2024 · 1 -1 Author: Dr. Write your answer in the box provided. pdf from CHEM 143 at Modesto Junior College. Answer to Solved i need help on the objective part of this lab report. pdf from CHEM MISC at Salt Lake Community College. Your matched tutor provides personalized help according to your question details. Stockroom You will need one 50 mL beaker, an evaporating dish, a 250 mL or 400 mL beaker, crucible tongs, and a hot plate. 11/17/ Lab: Types of Reactions Assignment: Lab Report Reaction 1 : Add Zinc to Copper Sulfate. 485_8 omitted g Mass of zinc reacted: 0. 10. 025 g 2. Turn in the attached report sheet with your data and calculations shown clearly. Science; Chemistry; Chemistry questions and answers; ТА 4 Finding the Empirical Formula of Zinc Iodide Report Sheet Table 4. 9224 Mass of boiling tube + zinc 20. Oct 28, 2024 · Chemistry document from Herzing University, 5 pages, Chemistry 110 Laboratory Empirical Formula of Zinc Iodide Introduction: One of the most fundamental characteristics of a chemical compound is its empirical formula, which expresses the relative numbers of each type of atom present in the compound. ) Calculate the mass of unreacted zinc (the zinc left in the beaker). Observations of Reactants: Zinc is in solid state and copper sulfate in aqueous state. 596 = Mass of iodine used 1. To find the empirical formula, Zinc metal with elemental Iodine will need to be reacted to create the compound of Zinc Iodide. Put 2 mL of 0. pdf from CHEM 103 at University of Wisconsin, Madison. Potassium Iodide and Bromine . Measure out 5 cm 3 of ethanol using a measuring cylinder. This paper details the results of an experiment to produce zinc iodide from the reaction of zinc with iodine, making use of the laboratory setup given to investigate aspects of the reaction relating to the conservation of mass, the identification of the limiting reagent, and the observations on the physical characteristics of the solution as it underwent Notebook Template: For each trial your lab notebook should include the masses of (1) the empty flask, (2) the flask + zinc initially, (3) the flask + zinc + iodine, (4) the flask + leftover dry zinc, (5) mass of empty 250 mL beaker, and (6) mass of beaker + dry zinc iodide product. Chemistry 110 Laboratory Empirical Formula of Zinc Iodide Report Sheet Trial 1 Trial 2 Mass of zinc at start: 2. 1. Jul 19, 2019 · View Lab - Lab Report Empirical Formulas. There are different modes of communication, for example oral vs written presentations, and different audiences – experts, your peers, the general public, your professor. 5 grams of each Zinc and Iodide (measured on triple-beam balances in vials), followed by driving the reaction through incessantly agitating the mixture (of 1mL) of dilute acid and the solid reactants (zinc and iodide). 000 g omitted_g Mass of dry zinc left over: 1. Products were obtained by utilizing a dilute acid (10mL solution of 0. Write your observations on your report sheet. Determine Intervals: Decide on the intervals (also known as bins) for your histogram View 03_Zinc And Iodine - F23_Report Form. Chem 143 Empirical Formulas Dr. Beaker: Mass of flask + jodine 52. ) Calculate the mass of zinc that reacted. 5 points) Measurement Mass Mass of empty boiling tube 18. This will be the mass that you weighed out minus the zinc that did not react. Just state it based on above if you Apr 13, 2008 · iodide the following procedure was followed. 000 g omitted_g Mass of iodine at start: 2. 515_8 omitted_g Moles of zinc reacted: mol (keep 3 sig figs) Lomitted_g Moles of iodine Apr 6, 2024 · Guidelines for the Zinc Iodide laboratory report Why it is important to construct a laboratory report? An important part of the scientific process is communicating results. 939 3. Mass of evaporating dish 4. 2. We would like to show you a description here but the site won’t allow us. 1709 1. The Lab Quiz will be administered the day the lab is turned in. In a hood, heat the zinc iodide solution in the larger 125 mL flask using a hot plate/thermowell set on a low setting. Note the appearance of the solution and the zinc before and after the reaction. 562 g Mass of zinc reacted: 0. 20 M acetic acid) and 0. kecyjwsobxnpmpsnolxcnmeohxvgougduejiprseznmlqsurafb