Lab physical and chemical changes assignment lab report


Lab physical and chemical changes assignment lab report. , graph, chart, diagram) to summarize data obtained. c. OR: If a substance undergoes a chemical change, then it will not retain its original properties because a new substance is formed. Familiar examples of physical properties include density, color, hardness, melting and boiling points, and electrical conductivity. Name Date: Edgenuity Lab: Physical and Chemical Changes Complete the lab as described in the instructions and record your data in the lab sheet below. Observe physical changes as evidence that chemical changes have taken place. Hydrogen gas evolved during the experiment; Chemical change; Mg (s) + HCl (aq) ----> MgCl2 (aq) + H2 (g) 2. a) physical change. Purpose: Explore the differences between physical changes and chemical changes by. (˚C) Fina l Tem p. If a gas forms, identify the gas by name or formula; refer to your prestudy Sep 2, 2020 · Physical Changes: Is when the form changes, but not the chemicals in that form. Summary You will conduct 8 experiments and determine whether you 4 Reactions in Our World Virtual Lab Report. Chemistry 1305 Lab: Chemical and Physical Changes Objectives: This week, you will: Leam several indications a. You will learn how matter is classified according Purpose Explore the differences between physical changes and chemical changes by performing an experiment. No new substance or substances are formed as a result of a physical change. 9. In the lab we did 9 different tests mixing or adding heat to chemicals or substances and seeing if their changes were physical or chemical. The lab report should be submitted before the next in-person lab period. Record your observations in the lab report below. Iodine and stearic acid Sep 24, 2023 · The Chemical and Physical Change Lab involves laboratory exercises designed to distinguish between chemical and physical changes. 1). When given a problem, plan and conduct experiments in which they: • Select appropriate format (e. Introduction: This experiment is being conducted so see if a substance undergoes. Examples of chemical properties include flammability, toxicity, acidity, reactivity (many types), and heat of combustion. b) chemical change. Lab Experiment #1. Behavior in the lab must be purposeful. A chemical change is defined as a change in the composition and properties of a substance. Record all changes observed, the type of change, and your reasoning in the data table. In this lab, examples such as. •Changing the temperature. List three examples of physical changes and three examples of chemical changes. You will conduct 8 experiments and determine whether you observed a physical or chemical. All numbers need appropriate units and all work is shown for calculations. Some relatively simple but common types of Lab: Physical and Chemical Changes Calcium Carbonate-the type of change that occurred was a physical change because even though a particle size change was observed, the calcium carbonate retained its original properties and was not transformed into a new substance Calcium Carbonate and Hydrochloric Acid-the type of change that occurred was a chemical change because gas formation was observed o During lab, all the information from the theory section provided additional background information about the subject. The theory section discussed matter: states of matter, classification of matter; phase changes: phase diagram, heating curve; distillation; physical and chemical changes. Get a hint. Some types of physical changes include: Changes of state (changes from a solid to a liquid or a gas and vice versa). Use vocabulary terms relating to physical and chemical changes. In this lab we will be studying the properties of physical and chemical changes. chemical changes. In this lab, examples such as calcium carbonate, water, iron filings and sulfur, etc. Heat the test tube over a burner flame until the wax. A silver Q&A Jun 16, 2022 · The change of one type of matter into another type (or the inability to change) is a chemical property. Chemical Changes: Is when the chemicals inside that form change to something else entirely Physical and Chemical Changes Lab Report. Copper sulfate dissolved in water, undergoing a physical change. QUESTION &amp; HYPOTHESIS: 7 Lead nitrate and potassium iodide Turns yellow when mixed Chemical Color change and solid formation 8 Magnesium and hydrochloric acid The temperature increased after lead put in Chemical Solid disappeared, a gas formed 9 Candle The candle melts Both Candle changes form, wick burns Analysis and Conclusion The data shows that a physical change change in state. chemical and physical change by performing an experiment. Physical Changes: Boiling water: essentially, boiling water only changes the temperature of the water and the converts it from a liquid to a vapor, not the chemical composition of the water. Oct 10, 2023 · Cell Size Wet Lab. Exploring Chemical and Physical Changes Purpose I believe that the purpose of these experiments was to how different chemicals reacted together with a physical or chemical change. Chemical Changes Lab gives students practice identifying chemical and physical changes during reactions as well as practice lab safety and performing lab skills. Classify each of the following as physical change or chemical change : a. Physical properties include color, density, hardness, and melting and boiling points. An egg is fried. 1) Define: physical change and chemical change The analysis for this lab will be graded using the assignment “Reflect on the Lab”. g. A physical change occurs when the form of matter is altered, but the substance itself remains the same. Scientists classify changes in matter as either a chemical change or a physical change. Explain why these are chemical or physical changes. were showcased to investigate a type of change and the reasoning for the Related documents. Module 4 Overview Click here to watch the lab completion video. These changes can be divided into 2 classes: physical changes and chemical changes. 6. Reinforce characteristics and concepts related to physical and chemical changes with these 8 hands-on lab activity experiments. To prepare for your observations and data collection, you must complete the pre-lab activity worksheet that goes with this lab. •Changing the texture. chemical or physical changes that can be detected under certain circumstances such as Chemical reactions occur in the baking process, and the changes are chemical changes. PURPOSE: Explore the differences between physical changes and chemical changes by performing an. Data Table 1 Step Material Change (s) Observed Type of Change (Physical or Chemical) Reasoning 2 Calcium Carbonate The calcium carbonate turned into a powder. Water evaporates during the experiment; Physical change; H2O (l) <----> H2O (g) 3. . Mitosis and Meiosis Wet Lab. Instructions: Complete all sections of this report and answer all questions in complete sentences for full credit. CHM 121 Experiment Discussion Lab #5 – Physical and Chemical Changes Name: Shawn Abraham Partner’s Name: Jordan Eidlisz Date of Experiment: 9-14- Purpose The purpose of this experiment is to observe and be able to identify physical and chemical changes. Lab Report: Physical and Chemical Changes The purpose of this lab is to invest time into understanding the difference between a chemical and physical change by performing an experiment. General Chemistry I Laboratory (CHM 121) 82Documents. Skip to navigation OR: If a substance undergoes a chemical change, then it will not retain its original properties because a new substance is formed You WII conduct 8 experiments and determine whether you observed a physical or chemical change. Lab: Physical and Chemical Changes 30 th June 2023 Part 1: Introduction TITLE: PHYSICAL AND CHEMICAL CHANGES. To perform this laboratory you do not need any prior chemical experience. (The three physical states are: gas, liquid, and solid). •Changing the shape. Answers. Chemical Properties. Place some of the mixture on a table. 2. Original Substance(s) 7 Lead nitrate and potassium iodide Turns yellow when mixed Chemical Color change and solid formation 8 Magnesium and hydrochloric acid The temperature increased after lead put in Chemical Solid disappeared, a gas formed 9 Candle The candle melts Both Candle changes form, wick burns Analysis and Conclusion The data shows that a physical change Physical and Chemical Changes Dry Lab 09/30/ Purpose In this lab we explored chemical and physical changes. Use the spoon to add crushed calcium carbonate from Step 2 to the hydrochloric acid. In a chemical change, products are formed that Physical Changes. Summary You will conduct 8 experiments and determine whether you ÐÏ à¡± á> þÿ Y Aug 26, 2022 · Physical/chemical Wax changed shape showing a physical change, light and heat were noted causing chemical change. a. It's easier to burn it since it's smaller. correct color of flame: pale blue. Which procedures were followed in this lab to decrease experimental error? Check all that apply. 2) Evidence that a chemical change is taking place includes: a. C The substance changes to a new substance. Procedure: A series of chemical reactions were performed to record observations about chemical changes, physical changes and the difference between the two. 0. Close the lid of the jar and gently mix by swirling it. Look at the cup that held the ice cube from experiment B. Preview. d) involves both chemical and physical change. Sep 22, 2021 · Matter undergoes three kinds of change: physical, chemical, and nuclear. Physical changes also do not produce any new substance while chemical changes result in the production of a new substance. Break of a small amount of wax from a birthday. Lab Calorimetry and Specific Heat; Lab Physical and Chemical Changes; Lab Ionic and Covalent Bonds; Oxygen output; G. Introduction: In this experiment, we measured the pH levels of various substances using a pH meter. Nov 17, 2017 · Experimental Discussion - Lab Report #5 - Acids and Bases; CHM121 Fall 2023 week4 - report week 4; Evaluation of a Gas Law Constant Discussion; Lab #6 - Lab 6 Assignment; Physical and Chemical Changes Lab Exprtiment; Relating Mass and Volume Lab Report Chemical changes create a new chemical substance, whereas a physical change is a change in appearance or state of matter. Pre Lab Questons (if shown in lab instructons document) ‐ Pre-laboratory Questions: Try this microscale practical to explore the chemical changes in displacement, redox and precipitation reactions. Chemical properties describes the ability of a substance to react and change into another substance with a different chemical composition. Uploaded by: Anonymous Student. •Changing the state of matter. An ice cube melts to form liquid water. Jun 12, 2023 · A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. If input is typed Exploring Chemical and Physical Changes Purpose I believe that the purpose of these experiments was to how different chemicals reacted together with a physical or chemical change. Lab: Physical and Chemical Changes Assignment: Lab Report Name: Essence Amons A. Zip. In a chemical change, products are formed that Lab: Physical and Chemical Changes Student Guide Pre-Lab Information Purpose Explore the differences between physical changes and chemical changes by performing an experiment. Reinforce the practices of chemical safety and waste disposal. During your observations, you will determine how each scenario represents the laws of conservation of matter and energy. Making solutions (special kinds of mixtures). Composition, in a chemical change the composition changes but in a physical change its all appearance Chem 1 chm1001 at Florida Tech: Lab 5 - determining the Enthalpy of a Chemical Reaction LAB Report lab determining the enthalpy of chemical reaction objectives Physical vs. C. If handwritten, you will need to scan the pages and create a file to be submitted. Grinding, melting, dissolving, and evaporating are all physical changes. 1. Student Document. is melted completely using test-tube tongs. Color of the bunsen burner Gray and black with anywhere from yellow to blue flame. During this semester, you will be introduced to the scientific method used to study matter and will be given the mathematical tools you will need for the remainder of the course. Magnesium reacting with hydrochloric acid produced heat and hydrogen gas, indicating a chemical change. Search this site. calcium carbonate, water, iron filings and sulfur, etc. relates to a substance's ability to undergo changes that transform it into different substance. Chemical changes involve the rearrangement of molecules or atoms and result in the pro-duction of one or more new substances. A physical change can result in the change of appearance or state but the chemical composition remains the same. C: If a substance undergoes a chemical change, then it will not retain its original properties because a new substance is formed. Jan 17, 2023 · In chemistry, changes in matter are generally classified as either physical changes or chemical changes. Physical deformation (cutting, denting, stretching). View Physical and Chemical Changes Post-Lab. Observe objects and events for patterns and record both qualitative and quantitative information. You will observe how changing a factor in the environment will impact the organisms that live there over time. The question is how can you 4. Use the lab grading rubric before you begin. Students shared 82 documents in this course. Question: How can you distinguish a physical change from a chemical change? Purpose: To be able to distinguish whether an item has undergone physical or chemical change. Info More info. In a physical change, one or more physical properties of a substance are altered. Lab Report: Physical and Chemical Changes The purpose of this lab is to invest time into understanding the difference between a chemical and physical change by experimenting. Physical and Chemical Properties pre-lab assignment 1. First, put on the goggles and lab apron. Some examples of a physical change includes breaking of a stick or melting of ice . 4 Lab Report-Online Students Submit the Lab Report to the Lab 5 Report Assignment on Canvas Name your lab report in the following format: Lab_4_Report_YourName_YourSectionNumber. A physical change Module 7 Lab Report Exploring Physical and Chemical Changes Data Table (8 points) Data Table for Activities 1-14 Activity Color of Initial Items Color of Final Items Initia l Tem p. 3. We will determine whether various solutions we create are considered to be physical or chemical changes. The objective of this lab is to investigate the difference between physical and chemical changes as related to food. These experiments were completed using well plates with chemical Evolution and Natural Selection Lab Report Instructions: In the Natural Selection lab you will explore adaptations that help organisms survive best in a particular habitat. B. Examples of such physical properties are: size, shape, color, and state of matter. •Changing the color. Introduction: My goal in the lab was to determine the difference between physical and. Aug 12, 2022 · Physical changes involve moving molecules around, but not changing them. Studying CHM 121 General Chemistry I Laboratory at College of Staten Island CUNY? On Studocu you will find 63 coursework, 50 assignments, 19 practice materials and. Academic year:2022/2023. Separation of a mixture. Explain how the changes differ. Question How can you distinguish a physical change from a chemical change? Hypothesis If a substance undergoes a physical change, then most of its original properties will be retained because a new substance You will also observe how the physical state of the halogens changes as you go down the group. CHM/151 v Page 2 of 5. Skip to main content. Explanation: In a Chemical and A sample lab report that measures pH levels is given below: The Laboratory Report. Tasks include reading the manual, organizing materials, completing data and observations, and answering post-lab questions. Hypothesis: If a material undergoes a chemical change, then it will not retain its original properties because a new substance is formed. Physical changes do not involve chemical reactions or create new substances, for instance tearing a paper. In contrast, chemical changes result in new substances, such as burning a log. Steel wool added to the copper sulfate solution turned red, showing a chemical change through an unexpected color change. Hypothesis I believe that if each experiment is conducted correctly you will see a physical or hear/measure a chemical change. Background: Physical changes include grinding, melting, dissolving, and evaporating. Bunsen Burner. Hypothesis If a substance undergoes a physical change, then most of its original properties will be retained because a new substance is not formed. advertisement. Physical changes do not actually change the identity of the substance. Students will make observations and demonstrate their knowledge by making predictions and answering physics lab report - introduction to excel lab report one lab report 2 PHYS 2010/2110 Laboratory: Learning Outcomes, Lab Reports, and Q&A Draw a diagram depicting what happens to the atoms of elements or molecules of compounds when a chemical change occurs and when a physical change occurs. Time Approximately 45 minutes. Here’s the best way to solve it. Leen Alzoubi Lab Report: Physical and Chemical Changes Objective: The objective of this experiment it to see and recognize a physical and or chemical change between different substances. Is this a physical or chemical change? Experiment. In Part III, you will see how the extent of dissociation changes with structure in a series of organic acids, the chloroacetic acids (H3–xClxC)C(O)(OH), where x=0, 1, 2, or 3. experiment. The purpose is to determine the difference between a physical and chemical change. 1. Pour approximately 25 mL of 1M hydrochloric acid into a 50 mL beaker. Physical and Chemical Changes (post lab) Marilyn Muniz Table 1: Evidence of chemical change Chemicals Combined Appearance of Chemicals Before Mixing Observations After Mixing Chemicals Together Cu (Copper) Shiny, string-like pieces of copper The piece of copper looks soft, has lost most of its color and no longer looks shiny. Materials: cornstarch, water, cup, stir stick. It's still wood but it's a different size now. 00. Click the card to flip 👆. Lab Report. Physical and Chemical Changes Post Lab Quiz. A physical property is a characteristic of matter that is not associated with a change in its chemical composition. Physical Changes. C The original substance can be recovered. c) Cannot say. melts (see Figure L2. Enzyme Activity Wet Lab. Instructions: In this laboratory activity, you will be comparing chemical reactions to nuclear reactions by observing chemical phenomena in action. (61) $4. SammyBard. candle and place this into a test tube. correct height: 13cm. Study with Quizlet and memorize flashcards containing terms like What is the name of the lab?, What is the purpose of this lab?, What is the definition of a physical change ? and more. In science class, Blaine’s teacher puts one glow stick in a cup of hot water and another glow stick in a cup of Physical and Chemical Changes. b. REPORT: For the lab report, in the conclusion column indicate whether a chemical or physical change has occurred. Dec 31, 2013 · In this experiment you will. Often a chemical change can be identified when one of the following has occurred: the evolution of a gas, change in color, formation of a precipitate, or the absorption or Lab Report. Energy Flow Through Ecosystems Wet Lab. Lab #7 Chemical and physical changes experiment (wetlab) questions and answers based on experiement general chemistry laboratory experiment report sheet latrice Draw a diagram depicting what happens to the atoms of elements or molecules of compounds when a chemical change occurs and when a physical change occurs. Observe and record the change. These changes are reversible. Reactions in Our World Lab Report. 4. Chemistry is the study of matter, its composition and the changes it undergoes. Physical changes are usually fairly obvious, and include a change in shape, physical state, etc. The new substance would have new properties. Add 10 mL of water and stir well. were showcased to investigate a type of change and the reasoning for the change. Physical and Chemical Changes Dry Lab 09/30/ Purpose In this lab we explored chemical and physical changes. Physical change is reversible while chemical changes are not. Hardy-Weinberg Virtual Lab. doc (or pdf) *You may print out these pages and handwrite your input or you may type it in. The purpose of this lab is to invest time into understanding the difference between a. View Chemical and physical Lab Report . Examples of physical changes include changes in state, such as water freezing into ice or evaporating into vapor. Includes kit list and safety instructions. pdf from CHEMISTY 110 at Washington County Community College. May 9, 2022 · The temperature and the amount of water need to be kept the same so that the only variable that changes is the surface area. Chemical changes create a new chemical substance, whereas a physical change is a change in appearance or state of matter. pharm 1. Lab: Physical and Chemical Changes Assignment: Lab Report Purpose of this lab to observe, record, and classify physical and chemical changes. Is this a physical or chemical change? Back to Experiment B: Ice 1. An example of this would be chopping wood. Lab # 6: Physical and Chemical Changes 2 BEFORE LAB: Write the formula and state notation for each reactant so you are able to find the reagents. 1 / 17. correct sound: steady hissing with no roaring/popping noise. were showcased to investigate a type of. Lab Questions with Responses and other required parts of assignment eg: pictures/tables Passed all assignments with 90 or higher physical and chemical changes May 3, 2023 · A physical change is a change in a substance that does not change its chemical composition. Chemical and Physical Changes Lab Report Name: Dawit Desta Lab Date: 02/20/2021 Introduction: (What do you expect AI Homework Help View Lab - Chemistry Lab #1 . Alongside this to write balanced equations that represent the changes within the experiment. This is a physical change. Then answer the questions that follow. A C F. After completing this experiment, students should be able to measure the enthalpy change associated with physical and chemical changes. Title: Chemical and Physical Changes. e. change. Conclusion Physical/Chemical Changes Lab Data. Time Approximately 45 minutes Question How can you distinguish a physical change from a chemical change? Hypothesis If a substance undergoes a physical change, then most Preview. In science class, Blaine’s teacher puts one glow stick in a cup of hot water and another glow stick in a cup of Physical and Chemical Changes Lab Report Question: How can you distinguish a physical change from a chemical change? Purpose: To be able to distinguish whether an item has undergone physical or chemical change. Place 30 mL of cornstarch in a cup. Lab Report: Physical and Chemical Changes. performing an experiment. Iron, for example, combines with oxygen in the presence of water to form rust; chromium does not oxidize (Figure 2). doc from CHEM 1411 at Mountain View College. This lab report describes experiments to identify physical and chemical changes. On the other hand, a chemical change is seen to occur when the atoms of a particular substance are rearranged, the bonds between the atoms are either broken or formed. Each activity will further help students learn about physical and chemical changes. C. While the composition of a chemical substance is not altered by physical changes (such as freezing and evaporation), chemical changes, or reactions, result in the formation of new substances when bonds are formed and/or broken. Purpose: Recognizing and differentiating between physical and chemical changes in matter. University. I …. pdf from CHEM 1215 at Salt Lake Community College. There are no chemical changes. Title: Physical and Chemical Changes Shelby Searles Background:Chemistry is the study of matter and the Experiment: To identify a physical change or a chemical change, we will use 8 different combinations in our experiment and identify observations that correspond with either a physical or chemical change. Be sure to do the following: Keep work area clear and uncluttered. The pH meter measures the acidity or basicity of a substance on a scale of 0 to 14, with 0 being extremely acidic, 7 being neutral, and 14 being extremely basic Its a Lab that we did in class the mystery powders lab: physical and chemical changes background information: you have learned how to describe matter based on Give an example of each. Some physical properties, such as density and color, may be observed without changing the physical For this lab activity, you will observe two scenarios — The Iced Tea Debate and Salty Soup — and record your observations of physical and chemical change. A chemical property describes the ability of a substance to undergo a specific chemical change. This document is a laboratory exercise on physical and chemical changes. treddy853. -2, -3, and +1 polyatomic ions. Use the drop-down menus to label each of the following changes P for physical change and C for chemical change. 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