Introduction to reaction types lab notebook record observations for all of the chemical reactions carried out during the lab in your lab book. The activity series shows which metals are more reactive than others. The starting materials are always pure elements, such as a pure zinc metal or hydrogen gas, plus. Reactivity of metals spring 2016 page 2 of 5 one way to think about this is the more active metal is more likely to be an ion in a compound. This list can be used to help determine when an element and a compound will react in a single replacement reaction. To observe the visual changes that occur during single replacement reactions and identify if an element is more or less reactive than others. A video of the foiled again activity, presented by irene cesa, is available in observation skills, single replacement reactions, and in. Two observe two different single displacement reactions. When writing equations or predicting products for these reactions, it must be remembered that not all equations proceed as written. It serves as a bookkeeping system so that the flow of electrons can be observed. Reactivity of metals spring 2016 page 1 of 5 chm ll. Acid solutions can also undergo single replacement reactions with some metals.
The activity series is provided on the following page. Which of the following is not a correct chemical equation for a double displacement reaction. Versatile student lab kit may be used to teach a variety of conceptssingle replacement reactions, molecular versus net ionic equations, oxidationreduction reactions and activity series. Balance the following equations and indicate the type of reaction as formation, decomposition, single replacement, double replacement, hydrocarbon combustion, or other. If no single replacement reaction occurs, write nr to the right of the arrow. The reaction only takes place if the element being replaced, or displaced, is less reactive than the yet uncombined element. Examine the reactions between various metals and metal salt solutions.
React metals with salts of other metals to cause a single replacement reaction. Classifying chemical reactions through copper reactions. The less active metal is more likely to be alone in its elemental state. Metal activity series simulation lab background information this experiment will focus on single replacement reactions. Reactivity of metals in one type of single replacement reaction, a solid metal replaces the cation of another metal in solution. Single displacement reaction theory amrita online lab. React metals with dilute acid to produce hydrogen gas.
Reactivity of metals in single replacement reactions. Preap chemistry will be one of the hardest courses you will take in high school. For instance, if you are reacting zinc with water at 50 degrees c, no reaction will occur because zinc only reacts. Aluminum is a very active metal but is slow to start in this lab.
Single replacement reactions will occur spontaneously in one direction only compare equations 1 and 2. There are two types of single replacement reactions. To predict products and observe various single and double replacement reactions. The activity series for single displacement reactions chem 30a h a more active element higher on the table above will form an ion and displace the ion of like charge. Single replacement reactions and batteries experiment. If the new element b is a metal, it will appear as a metallic deposit. The metal reactivity series lists metals in order of their reactivity, from highest to lowest from top to bottom. Single replacement reactions use the activity series.
The reactivity of a substance depends on its ability to gain or lose electrons. In this reaction, one cation replaces another one from its solution. This video shows an experiment comparing the activity of three metals. Go to activity three and repeat what you did in sections iv, v, and vi with a combination of metalmetal ions taken from activities one and two. In a single replacement reaction, one element replaces another in a compound. Discussion in the demonstration, aluminum foil is added to an aqueous solution of copperii chloride causing a single replacement oxidation.
The activity series for single displacement reactions. This subcategory of singlereplacement reactions is called a metal replacement reaction because it is a metal that is being replaced copper. The purpose of this activity is to determine which metals are most reactive and to create an order from most reactive to least reactive. Metal b and a metal salt ac are formed if a is the more active metal. Identify the unknown metal using the table of specific heats in your textbook. Hydrogen replacement many metals react easily with acids and when they do so, one of the products of the reaction. The metals are first tested hydrochloric acid, and then hot. Includes reproducible student handouts, detailed background information, complete teacher notes with sample data and answers to all questions and all. Start with sandwiches, and then, from the bottom of the screen, go to molecules, and then the game. According to the activity series, which of the following single replacement reactions will take place. In a single replacement reaction, the lone metal is more active than the metal in the compound. Ninth grade lesson types of reactions demo day betterlesson. Definition of single replacement or single displacement reactions. Chemistry lab report the activity series sarah jackson.
Lab types of chemical reactions, synthesis, decomposition, single replacement, double replacement, combustion, balancing equationsthe purpose of this lab activity is to teach your students how to identify the types of chemical reactions. Displacement reactions of metals resource rsc education. Single replacement reactions and metal activitystudent. A generalized single displacement reaction looks like this. Use numbers to write balanced equations for singlereplacement reactions. The activity series of the elements is a list of elements in order of their reactivity. What is the general equation of a single displacement reaction. When zinc is added to copper ii sulfate, a single displacement reaction will take place, creating a solid, copper, and zinc sulfate. A single replacement reaction occurs when an element reacts with a compound to produce a new element and a new compound. But if metal b is more active than element a, no reaction occurs. In general, the activity of a metal may be defined as follows. In this type of reaction, a metal always replaces another metal and a nonmetal always replaces another nonmetal. A metal replaces another metal that is in solution. Zinc metal reacts with lead ii nitrate to form zinc nitrate and metallic lead.
The activity series of metals is an empirical tool used to predict products in displacement reactions and reactivity of metals with water and acids in replacement reactions and ore extraction. Cation replacement reaction a cation replacement reaction. Lab, available as a student laboratory kit, catalog no. A metal listed above another metal will replace that metal in a single replacement single displacement reaction. A singlereplacement chemical reaction is one in which one substance from a compound is replaced by another substance.
Types of chemical reactions worksheet teachers pay teachers. Hydrogen replacement many metals react easily with acids and when they do so, one of the products of the reaction is hydrogen gas. Single replacement reactions are reactions in which an element in pure form competes for a place with an ion or atom in a compound. For each of the following sets of reactants, write the. This lab uses the same reaction to teach concepts of moles, limiting reactants, and stoichiometry. Chemistry with lab easy peasy allinone high school. An active metal will react with a compound of a less active metal, which is converted to its free element. Single displacement reactions lab explained schoolworkhelper. Double replacement reactions chemistry, acid base neutralization, gas evolution, precipitation duration.
A more active metal always replaces the ion of a less active metal. However, if a has lower activity than b, a single replacement reaction will not occur. Use single replacement reactions to create voltage make a battery. Form a hypothesis about how an activity series can be formulated. Thermal pollution caused by human activities is one factor that can affect water. Single replacement reactions reminder goggles must be worn at all times in the lab. Students will be able to identify the products of each react. Use the activity reactants, products and leftovers. Predicting and determining the products using the reactivity series. Preap chemistry syllabus flagstaff unified school district. Many sophomores struggle with the course because it is the first time they have ever had to apply mathematics to. An activity series of elements is often used to determine if a will displace b in a single replacement reaction. A more active metal tends to lose electrons more readily than a less active metal. In this lab you will perform a variety of single and double displacement reactions.
When a non metal ion is being displaced, be sure to check whether or not the neutral element produced is diatomic. The activity series helps you predict products of single replacement reactions. Determining the activity series of metals chemistry. As a rule, if a has a higher activity that b, a single replacement reaction will occur. For example, in the reaction between copper and silver ions cu. Tieins include singlereplacement reactions srr, oxidation. Single and double displacement reactions experiment. Distinguish between a more active metal and a less active metal. Solid metal was placed in a metal ion solution to determine if a reaction would occur. One type of single replacement reaction is the replacement of hydrogen in acids by active metals, producing. Chemistry single replacement reaction worksheet using the activity series table, complete the following reactions by writing the products that are formed. If the metal or the halogen is above the element it will replace based on the activity series, a single displacement.
In order to determine the identity of the metal several reactions were performed. The purpose of this activity is to determine which metals are most reactive and to. A reaction in which one element takes the place of another element as part of a compound, is called a single replacement reaction. View notes lab 11 metal reactivity answers from chem 164 at rutgers university. Go to activity three and repeat what you did in sections iv, v, and vi with a combination of metal metal ions taken from activities one and two. Copper metal is placed in a solution of silver nitrate. The activity series is a list of metals in order from most active to least active from top to bottom.
For example, when a piece of manganese metal is placed in a solution of hcl, there is visual evidence of a reaction. The metal begins to dissolve and a gas is formed, which bubbles out of. Download as docx, pdf, txt or read online from scribd. The purpose of this lab was to test the reactivity of certain metals, then create an activity series demonstrating the metals tendencies to be oxidized. In a singlereplacement reaction, atoms of an element replace the atoms of a second element in a compound. To start the class, i have each student write down on a single sheet of paper one example of each.
When zinc is added to hydrochloric acid, hydrogen gas will be released a solid, zinc chloride, will be formed. Active chemistry was supported through national science foundation funding and consequently produced through rigorous, iterative, researchbased development cycles. Chemical reactions in the engines of cars and buses provide the energy. When the metal was placed in hydrochloric acid, it bubbled. Use the periodic table, an activity series, or solubility rules to predict whether singlereplacement reactions or doublereplacement reactions will occur. Online chemistry lab manual at santa monica college. It can be used to predict the products in similar reactions involving a different metal. In this lab you will perform a series of single replacement reactions. What are three observable signs that a chemical reaction has occurred. In the activity series of metals, which metals will displace hydrogen from an acid.
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