Sorry, but copying text is forbidden on this website. In this lab, students calculate how many zinc and chlorine atoms take part in the reaction, and then … Step 2: Record the temperature of the hydrochloric acid. Penny Lab. View Lab_report from SCIENCE 101 at Carson High School. She is a student at Emory University, Atlanta. Today, you will use it to find the concentration of dilute hydrochloric acid by titration. When we heated our mixture we produced zinc chloride, an ionic compound. The acid reacts with the zinc but not copper. Let the test tube stand over night until all the zinc reacts. Through the use of a calorimeter, a Styrofoam container that inhibits any exchange of heat or matter between the system and the surroundings, the enthalpy of the reaction can be determined. We then observed the reaction between the two reactants and calculated the amount of zinc that we used. Purpose: Two observe two different single displacement reactions. You need fuel (something that can burn), oxygen (air) and a source (heat strong enough the cause the fuel to start to burn). Active metals such as zinc and magnesium will react with acids to produce hydrogen gas. (Molarity is a measure of concentration of solutions and mixtures). Place 5 mL of 6 M hydrochloric acid in a 100 mL beaker. Zn + 2HCl → H 2 + ZnCl 2 2. The theory behind this experiment is the heat of a reaction (AY) plus the work (W) done by a reaction is equal to the enthalpy (AY-A) of said reaction. By dropping the zinc into the flask the reaction occurs. I do not know how to do the calculations. We hope to determine the percent composition of these two metals. Zinc and Hydrochloric-Acid Written By Kahlil ZioneDate: 02/02/05 Abstract: We observed the reaction between zinc and hydrochloric acid and recorded it in a table and learned wether the percentage of zinc is effected by the amounts of both substances added to the solution. O2 moles: 0.01243, vol; 149.96mL 3. Don't use plagiarized sources. The gas that was produced by the reaction of zinc and hydrochloric acid was Hydrogen gas and zinc chloride. spaced), Paper type: Report , Don't Miss a Chance to Connect With Experts. The amount of work done by the reaction is equal to the pressure of the surroundings multiplied by the volume of the system. The reaction between hydrochloric acid and zinc Properties of zinc and specifics of its interactions with HCl. What is needed for burning? It's Free! The reaction is given below. Write a balanced chemical equation describing the reaction of zinc and hydrochloric acid. The pressure is the pressure of the air which is measured with a barometer. Hypothesis: When zinc is added to copper (II) sulfate, a single displacement reaction will take place, creating a solid, copper, and zinc sulfate. Share Tweet Send [Deposit Photos] Phys­i­cal prop­er­ties of metal­lic zinc. When zinc is added to hydrochloric acid, hydrogen gas will be released a solid, zinc chloride, will be formed. By continuing we’ll assume you’re on board with our cookie policy. Remember that we do not want an excess of zinc and we want most of the hydrochloric acid to be consumed. Lab Report - Gas Law Exercise 1 1. Sorry, but downloading is forbidden on this website. Despite the fact that your stomach produces hydrochloric acid, the zinc in food and supplements doesn't react with stomach acid, because the zinc is not in elemental form. Then perform three This will be done by reacting the zinc with hydrochloric acid to form zinc ions in a single replacement reaction. DOCX, PDF, TXT or read online from Scribd, American Sniper: The Autobiography of the Most Lethal Sniper in U.s. Military History, City of Lost Souls: The Mortal Instruments, Book Five. C is the heat capacity which is “the amount of heat energy required to raise the temperature of a body a specified amount” in joules per gram degree Celsius (chemistry. LAB REPORT REACTION RATE. Apparatus Zinc And Hydrochloric Acid Lab Report. Mix with a stirring rod. Mg(s) + 2 HCl(aq) → MgCl 2 (aq) + H 2 (g). The gas that was produced by this reaction is Hydrogen. The hydrochloric acid is placed into a flask, the zinc is placed inside the balloon and then sealed over the flask. The hydrochloric acid is put into a calorimeter and then the zinc is added after. There are a number of variables to take into consideration, like the independent variable, which is that the temperature of the hot and cold thiosulfate could be different temperatures in the one mole and two mole experiments, the dependant variable is that the reaction rate could change. This reaction generates the very flammable element H2, or hydrogen gas. January 23rd, 2013 Generation of Hydrogen Gas Abstract Hydrogen gas was produced from a reaction in a eudiometer between a weighted amount of magnesium ribbon and 5ml of diluted 6M hydrochloric acid.The partial pressure of the hydrogen gas produced was calculated using Dalton’s Law of partial pressure. words(double Target Mole Lab Mole Relationships and the Balanced Equation Introduction A common experiment in chemistry class is the reaction of zinc and hydrochloric acid. Add 0.25g Zinc to the Erlenmeyer flask -150mL Chemicals inside: 1. Do not light the gas in the balloon or allow it to be near flame. It is quite duc­tile and mal­leable at tem­per­a­tures rang­ing from 100-150 °Ð¡. High concentrations imply that more reacting molecules are at high proximity to each other therefore int… P is the pressure of the surrounding air. If you contact us after hours, we'll get back to you in 24 hours or less. 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