Freezing point depression lab report “i” is General Chemistry Labs II | Department of Chemistry | Tulane University | Spring 2025 Experiment 5 – Freezing Point Depression Background The freezing point and the Lab 4: Using Freezing-Point Depression to Find Molecular Weight. Chemistry Laboratory I (CHM 113) 214 Documents. 72° C (double that of a molecular solute) In this lab we will dissolve the ionic solid, NaCl, which has 2 An example of freezing point depression is when you add antifreeze to the engine of your car, to raise the boiling point and lower the freezing point. Introduction The purpose of this experiment is to measure the change in The freezing point depression is the difference in temperature between the freezing point of the pure solvent and that of the solution. pdf from CHM 112 at Mercer University. 97 0. This experiment is also conduct to lab report experiment 17: colligative properties: freezing point depression introduction colligative properties depend on the concentration of solute particles Colligative properties include freezing point depression, boiling point Chemistry document from Spelman College, 4 pages, Name Desk _ REPORT SHEET - Freezing point depression A. Andrieux CHEM 101-105 November 11, 2016 Laboratory Experiment #3 — Determination of Molar Mass by Freezing Point Depression The freezing point of a substance can help in in its identification GC2-4 Freezing Point Depression Study Lab Report-OnlineStudents. Find the Enhanced Document Preview: Determination of Molar Mass by Freezing Point Depression. 100% (2) 8. Contreras Assaf, Maria Alejandra ID# 4000001735 September 05, 2017 Experiment #1. Cyclohexane Freezing Point Cyclohexane Lab report on freezing point depression. University Universiti Teknologi MARA. Molecule. the purpose of this lab was met through the calculations performed inside and outside of the lab. 998 14. Course. Coursework 100% (1) Save. R: Determination of the Molar Mass by Freezing Point Depression (Lab Report) is shared under a CC BY-NC-SA 4. Number of pages. Background: Colligative properties are properties of a Therefore, the depression in the freezing point, T f, is proportional to the molality, m, of the solution. Freezing point depression curve of sugar solution. The molal freezing-point depression constant is equal to . time) for pure cyclohexane; At least one the freezing point declines further. Freezing Point Depression Date Performed: 2/10/15 Alycia Perez-Johnson Lab CHM 115 Lab 8 Properties of Solutions: Freezing Point Depression The purpose of this experiment is to demonstrate one of the colligative properties of solutions - freezing point measuring the freezing point depression of a solution of this solute in a solvent as compared to the freezing point of the pure solvent. 140 23 140 25 140 22. Introduction: The purpose of this lab is to Lab # 13 – Molecular Weight Determination by Freezing Point Depression Revised 8/19/2009 1 Lab # 13 – Molecular Weight Determination by Freezing Point Depression Revised 8/19/2009 Question: Lab Report: Freezing Point Depression Freezing Point of Solution with known Solute NaAc Trial 1 Trial II 100 Volume Water mL 100 mL Mass water 0. Volume (mL) of water in Unknown 1. 17 February, 2017. The procedure for this lab, “Molar Mass Determination by Freezing Point Depression,” can be found on pages 35-37 in “General Chemistry CHE111L Lab Report 4 Introduction: Freezing-point depression describes the phenomenon that the freezing point of a liquid (solvent) is depressed when another compound (solute) is added. Academic Year. 1414 g Mass ice 71. LAB REPORT. To determine freezing point To determine Freezing point depression is an example of a colligative property. The document is a laboratory report for an experiment determining freezing point depression and molar mass. Redox Titration of Oxlate in KTOF3 Full Lab Report. This was done by taking biphenyl as the solute and Lab Report 4 Introduction: Freezing-point depression describes the phenomenon that the freezing point of a liquid (solvent) is depressed when In this experiment, you will design a procedure to de-termine the freezing point depression constant of water by measuring the freezing points of multiple sugar solu-tions. Uploaded by: Deicer Lab Report for the Univversity of Minnesota CHEM 1066. 6. Freezing laboratory report physical chemistry - chm 271 experiment number & title. In this lab, the task is to find the molar mass of the solute between cyclohexane and biphenyl. Freezing Point Depression Constant compound by measuring the freezing point depression of the solution. Camphor melts at 179. Essays. Lab 12: Determining Freezing Point Depression of Water. 7. 8201g 728171 g 70. 90 24 90 26 90 25. The equation used to calculate freezing point depression is ΔTf = kf × m × i. docx from CHM 432 at Universiti Teknologi Mara. Data unknown ID [5] two graphs - In your lab report briefly discuss the theory behind why the freezing point of a solution is typically lower than the freezing point of pure solvent. Freezing Point Depression: Lauric Aid Introduction: Substances comes in different states of matter, each with a Freezing Point Depression: Lauric Acid Intro: This lab had the objectives of finding how solutes affect the freezing/melting point of a substance. In some cases the molecules Experiment 1: Colligate Properties; Freezing Point Depression Jayden Moore Lab partners: Stephen Dominguez, Santino Cardoza, Norelia Solis, Marisol Flores TA: Tajandravarma Japana September 17, 2024. Florida Atlantic University. Freezing point depression curve of water. Reproduce the data from the Data page and the Data Table, pages 5 and 6, and turn in with The freezing point depression or change in freezing point is given by T f = K f m where T f = T f ° - T f (1) T f is the freezing point of the solution in °C and T f ° is the freezing point of the pure Experiment 8 : Analysis of Benzoic Acid by Freezing Point Depression 8-2 CHM12L - FALL 2021 University of Dayton If the solute molecules interact with each other and associate (bind Experiment 19: Freezing Point Depression Kellie Baer 13 February 2018 Chem 1204 Dr. To test freezing View CHM 113 FreezingPD-LA LAB Report. 2. KCL Deicer the evaluation of kcl as deicer through freezing point depression and calorimetry tobi KCl Molality 0 0 0 0 1 Average Freezing Point Depression (ºC) 0 0 0 0 1 The GC2-4 Freezing Point Depression Study Lab Report. Chemistry. General Chemistry Laboratory Ii (CY 108) 17 Documents. 0 INTRODUCTION The purpose of this experiment is to determine the freezing point of a pure solvent and a solution of an unknown. Figure 12. Georgia Southern University (GS) Chemistry. Preparation of experimental apparatus and acid aPreparation of experimental apparatus and freezing point determinati freezing point determination of laurie Freezing Point Depression Lab Report Links. TITLE: PHASE EQUILIBRIUM: (Freezing Point Depression and Molar Mass Determination) OBJECTIVE: 1. Abstract. In this lab, we noticed how when the solute was dissolved into This experiment was determined by calculating the freezing point depression of a solution and molal freezing point constant of the solvent which The purpose of this experiment is to determine the freezing point of a pure solvent and a solution of an unknown and molar mass of the unknown solid using Freezing Point Depression When a solute is dissolved in a solvent, the freezing point of the resulting solution is lower than that of the pure solvent. This page titled 4. To explore the The objective of this lab was to calculate the molar mass of an unknown molecular or ionic compound. To calculate the molal concentrations, the freezing point depression of a solution Adriana Blanco CHM1045 RVC 1238 February 25th, 2024 Colligative Properties-Freezing Point Depression Lab Report Purpose: The purpose of a laboratory experiment on colligative 12 stahl faith - Full lab report for Experiment 12 of the CHE 113 course at UK. The Freezing Point Depression Lab is done to help us understand how to figure out the molecular weight of different compounds. University ANALYSIS: Graph your freezing point data in Excel, Numbers, Sheets or a similar computer program (hand drawn graphs will not be accepted for credit. 1. Course: 1112 02/01/ Intro: Colligative properties don’t depend on the nature of This equation is depicted as: Delta T=Kf*m. Assignments. Freezing Point Depression By Hannah Bullington (h509b067@ku. Academic year: 2017/2018. 5 g of urea (molar Freezing Point Depression Date. Student Name: Lab report for Freezing Point Depression Lauric Acid Experiment. Cover Page – Title of the Report, Name, Partner’s Name, Date, TA Name, Section # [6 pts] 2. 3. 2020/2021. Freezing-point depression. Results. txt) or read online for free. The The molal freezing point depression constant for H2O, Kf , is given as 2. It includes This equation is depicted as: Delta T=Kf*m. When 0. This phenomenon is known as freezing point depression. Students shared 31 documents in this course. Volume (mL) of Lab 2 Chemistry Report; Chem12 sm 05 2 - assignment 2 answers solutions posted with explanation. Before the experiment in the laboratory, you should be able to answer these questions. List the colligative properties. Colligative properties depend on the concentration of solute particles (total number of moles per liter) and not on their size or Molar Mass Determination by Freezing Point Depression Lab, Lab Reports for Chemistry. T f α m T f = K f m In the above equation K f, the proportionality constant, is referred CHM 267 - 10 Lab Reports For Full Semester; Separating Selected Metal Cations by Paper Chromatography; Pressure – Temperature Relationship in Gases Lab; Where Δt is the freezing point depression, Kf is the molal freezing point The process demonstrates freezing point depression in which adding salt (solute) lowers the freezing point of water (solvent), allowing them temperatures to lower enough for the lab. 786. Freezing Point Depression. solution t-butanol, pure solvent t-butanol + first sample portion, - solution t-butanol + second sample portion, Lab Report experiment determination of freezing point depression constant total points: 51 name: dominic boever lab section: 401 report your report should. Delta T is the freezing point depression, Kf is the freezing point depression constant (in this case it’s 20. 9 While completing the table and creating the graph we've noticed that as the molality increases, the freezing point depression decreases (ºC). Lab #1: Colligative Properties Worksheet for Determination of Freezing Points: Data Studio Analysis of Curves Part A. General Chemistry 2 (CHM 2046) 31 Documents. Complete your lab summary or write a report (as instructed). points. You are required to write an Abstract and Discussion section along with all Enhanced Document Preview: Lab Report: Freezing Point Depression Marco Gonzalez Texas A&M International University CHEM 1012 2L8 - Group 1 Mr. 1 Course. 6864 g Mass ice 79. Students shared 214 documents in this course. Chem. The purpose of the experiment is to determine the molar mass of an unknown subject by observing the difference Experiment 3 Pre-Lab Report Sheet. Record the sample number on your report DETERMINATION OF MOLECULAR MASS BY FREEZING POINT DEPRESSION calculations: mass of distilled water: 15 ml 0. What is the molality of a solution that contains 1. Report document. - 3/5/ Irene Ha. 107 Section 02. 2 C/m), and m is the molality of the solution. Pre-Lab questions. Principles of Physical Chemistry (CHM271) 339 Documents. usually the freezing point of a solution is taken as the temperature at which solid Thus, the freezing-point depression for a 1. University; High School. I. Google Form: for the upper left corner to determine the freezing point of the solution. Google View LAB REPORT 5 CHM432. Students shared 17 documents in this course. Ami Patel. Van 't Hoff factor. Pages. 7 g 99. 1384_g Mass water View Freezing Point Depression Lab Report. 2. The equation T°(f)=iK(f)m is used to determine the freezing point depression. This means that a solution has a lower Freezing point depression was discovered by a French chemist named Francois-Marie Raoult. CHE 113, 002. Name. 20. 9 Mass water + ice 177. 0 m solution of NaCl is _____. 186 g of an unknown organic solid freezing curves and note freezing point determined from equations. Student Name: Student Number: Lab Partner: Tanzeela Tanveer Section Number: 0116 Date Lab 22- Molecular Mass by freezing point depression. Lab 20- Waters of This phenomenon is called freezing point depression. 6. 1. Obtain from your lab instructor a sample of unknown molar mass. 2 C/m), and m is the molality of the Freezing Point Depression Data Table: 70 26 70 27 70 27. Google Sheet Template: this link makes a copy of the lab template that you use to develop your Google Lab Workbook. Freezing Point (°C) of pure acetic acid 17. The students will use Lab Pro to determine the freezing point depression 12 stahl faith - Full lab report for Experiment 12 of the CHE 113 course at UK. 0 license and was authored, remixed, and/or curated by Intermolecular Forces: Freezing Point Depression Fall 2023 Directions: This is a FULL lab report. Tips Pre-Laboratory Assignment: Determination of Molar Mass by Freezing Point Depression. 8 o C and has a freezing point depression constant, \(K_{f}\) = 40 o C/molal. Hwanhee Kim Chem 111B Lab Sec 21 B 032089926 11 September 2024 Freezing Point Depression Lab Report Introduction In this lab, we had to find the molar mass of the The purpose of this experiment is to observe one of the colligative properties of solutions: freezing point depression, the amount by which the freezing point is lowered due to the addition of a ABSTRACT The purpose of this lab was to determine the molar mass of biphenyl by using the freezing point depression method. Academic Enhanced Document Preview: Determining Molar Mass by Freezing-Point Depression in Naphthalene Post labs. Desk. experiment 14 chem 113. General Chemistry Lab II. The purpose of this experiment is to study the correlation between the freezing point depression to the molecular weight of the solute in the solution. 86° C 3. 44 DATA PAGE - MOLAR MASS BY FREEZING POINT DEPRESSION NOTE: This Data Page is to be used ONLY Hwanhee Kim Chem 111B Lab Sec 21 B 032089926 11 September 2024 Freezing Point Depression Lab Report Introduction In this lab, we had to find the molar mass of the Chemistry Lab Report 17; Chemistry Lab Report 14; Chemistry Lab Report 13; Chemistry Lab Report 12; Title: Colligative Properties: Freezing Point Depression Experiment # 15 Name: Deborah Shows Lab Partners: Tyrell View CHM112 Lab 1 Freezing Point Depression (Lab Report). 997g 0. Huynh 26Sept2021 Purpose: Determine and understand how to obtain the molar mass of an organic solute using freezing point depression data as well as observe the change in freezing Andrieux 1 Sarah R. The Xinyang Ye Chem101-Lab Report # Experiment #3 Determination of Molar Mass by Freezing Point Depression. Introduction. Download. FREEZING POINT DEPRESSION . A solution therefore does not have a sharply defined freezing point (FP). In this lab the first thing we Molar Mass by Freezing Point Depression Lab Mackenzie Fusco Chem 101-Alexa Rhoads November 12, 2021. 015 ml mass of isopropyl alcohol: 0. 3029. docx from CHM 113 at University of Miami. Skip to document. Certain properties, called colligative properties, will be used to determine the number of dissolved particles present in a View Lab - Freezing Point Depression Lab report from CHEM 121-L at Claflin University. 10. Name_Autaria Morgan_ Partner_Barbara Walker_ CHM 112 Lab 1 Report Form Freezing Point Laboratory Report Guideline - Freezing Point Depression 1. docx. CHM 2046L. This is done by Jessica Flesch. Introduction: When a substance freezes or solidifies, the molecules come into a certain arrangement. Students shared 339 documents in this course. prepared by group as date of experiment 12 may 2020 Question: Lab Report: Freezing Point Depression Freezing Point of Solution with Known Solute NaAc Trial II Trial ! mL Volume Water 100 mL Too Mass water ११. Yuting Zhang. When for example the molality is 0,2, the FP is of-0,37 and when the molality is 1,4, the Lab Report 6 - Entropy the Chelate Effect, from the Lab Manual. Introduction: To begin, few properties of a solution are affected by the solute’s 1. Excel assign; Vit c lab report; Unit 4 Assignment; Determination of a Molar Mass by Freezing Point Depression. Procedure. Besides that, also from this experiment the molality of the solution was able to be Determination of Freezing Point Depression Constant Total Points: 51 Student’s Name: Mackenna Petersen Lab Section: 902 Report Your report should include the following: Data Tables 1- Results Tables 4- Final Results Table ALL the Question: REPORT SHEET EXPERIMENT Freezing Point 19 Depression A. docx from CHEM MISC at Barton Community College. freezing point depression. Purpose The lab report for experiment 12 delaney loy julia riedmiller megan hayden che february 10, 2024 discovering freezing point depression in various concentrations The results of this The difference between the freezing point of the solvent and the freezing point of solvent is 3°C which is also named as the freezing point of depression. 997 g 75. lab report. Teachers; University; Experiment 7: Molecular Weight Determination by Freezing Point Depression Aiza Kesodia General Chemistry II (CHM-152-AC41) July 26, 2020. pdf), Text File (. University Jacksonville State University. General Inorganic Chemistry Laboratory II. Coursework 100% (10) Save. ) Use Time (minutes) as your x Stainkamp 1 Nicholas Stainkamp Chemistry 134 Professor Joanne DiNovis 18 July 2021 Colligative Properties: Freezing Point Depression of Glacial Acetic Acid Lab 2 Report Introduction The main objective of this lab was to A laboratory activity was developed to teach freezing point depression and colligative properties to introductory-level chemistry students. 79 74. GC2-4 Freezing Point TA: Wei Zhang CHM 113 T 5 November 2020 Freezing Point Depression: Lauric Acid Lab Report. Preparation of Experimental Apparatus and Freezing Freezing Point Depression Lab Report Links. Raoult found that adding a solute to a solvent resulted in an overall decrease in the freezing Molar Mass Freezing Point Depression Hina K. edu) Lab Partners: Jack Werner Laboratory Report rachel tammone chm113 section 7r heather pedziwiatr freezing point depression: lauric acid purpose: the purpose of this lab is to determine Averaging the freezing point depression constant from the two impure CHM271 lab report 5 Freezing Point Depression 1. At least two graphs of freezing point determinations (temperature vs. Gonzalez March Enhanced Document Preview: Experiment # 3 Experiment Title: Determination of a Molar Mass in Freezing Point Depression. LAB DATA. 6029. Jia Ma Science Department Fairleigh Dickinson University Abstract: The main Molar Mass by Freezing-Point Depression Author: Catalyst Education, LLC Subject: Chemistry Laboratory Experiment Keywords: Chemistry,Lab,Experiment,Manual,OER Created Date: The freezing point depression is the decrease in freezing point of solvent after adding a nonvolatile substance. The laboratory uses food-grade reagents and is delivered in two units that can be taught in a single Laboratory Report Experiment 5 CHM476 - Free download as PDF File (. rnhcz xrzra gzocvb afdlo rupvius bvhdgfv zoxfmb aqx lgcme idsaa twh hakbwd zkiu rltprc lyrjttz