Stoichiometry

Introduction Stoichiometry measures the amount of reactants and products in a chemical reaction by comparing their ratios in an equation. Because, matter cannot be destroyed, the same number of moles of an element that go into a reaction must be present in the product. Sometimes the proportions of two reacting molecules aren’t exact. When this happens, there is a limiting reagent and an excess reagent. The limiting reagent dictates how much of the product can be created, or “limits” the product

Basic Stoichiometry PhET Lab rvsd 2/2011 Let's make some sandviches! _ Introduction: When we bake/cook something, we use a specific amount of each ingredient. Imagine if you made a batch of cookies and used way too many eggs, or not enough sugar. YUCK! In chemistry, reactions proceed with very specific recipes. The study of these recipes is stoichiometry. When the reactants are present in the correct amounts, the reaction will produce products. What happens if there are more or less of

Stoichiometry Section 11.1 What is stoichiometry? In your textbook, read about stoichiometry and the balanced equation. For each statement below, write true or false. _______true___________ 1. The study of the quantitative relationships between the amounts of reactants used and the amounts of products formed by a chemical reaction is called stoichiometry. ________true__________ 2. Stoichiometry is based on the law of conservation of mass. _________false_________ 3. In any chemical reaction, the

Stoichiometry 04/09/12 Chemistry I B Ms. Norton Introduction/Pre-laboratory Assignment: 1. Write out and balance each of the following equations. A. CuSO4 + Fe Cu + FeSO4 B. 3CuSO4 + 2Fe 3Cu + Fe(SO4)3 2. If Iron (III) Sulfate were formed, what mass of Copper would be expected and what is the limiting reagent? C. 2.26 g Cu D. Fe 3. If Iron (II) Sulfate were formed, what mass of Copper would be expected and what is the limiting reagent?

Name Instructor Course Code Date of Submission A metal Complex Stoichiometry Introduction The goal of this experiment was to determine the mole ratio of ortho-phenanthroline and Fe2+. In addition, the formula of Fe(II) metal complex was determined using an aqueous solution. The chemical formula of the metal complex in aqueous solution is expressed as follows: Fe^(2+) (aqueous) + ‘n’ ortho-phenanthroline (aqueous) → Fe(ortho-phenanthroline) n^(2+). Chemically, the two substances form a metal complex

Copper-Iron Stoichiometry Lab Report 10/3/12 Abstract: The lab performed required the use of quantitative and analytical analysis along with limiting reagent analysis. The reaction of Copper (II) Sulfate, CuSO4, mass of 7.0015g with 2.0095g Fe or iron powder produced a solid precipitate of copper while the solution remained the blue color. Through this the appropriate reaction had to be determined out of the two possibilities. Through the use of a vacuum filtration system the mass of Cu was

Chemistry, the building blocks to which all of the matter is composed of, reaches far beyond the intellectual capacity. Not only is this the building blocks of life itself, but it acknowledges much more than meets the eye. Revealing how much of an ideology can be understood, how you choose to utilize the knowledge of chemistry, and the emphasis on why we need to teach such a concept. In this case, the ideology’s main purpose is what matter consists of and how we are to justify these conclusions.

The goal of Lab Investigation 2 was to determine the identity of the products resulted from a chemical reaction by balancing iron and copper (II) sulfate with stoichiometry. A chemical reaction is when there is a change in color, formation, or temperature. Stoichiometry is the numerical relationships between reactants in a chemical reaction. Precipitating reactions and oxidation reduction plays a huge part of this chemical reaction. Iron fillings (solid iron) and copper (II) sulfate are being combined

The main purpose of this lab was to use stoichiometry to determine the yield of NaCl based on a given amount of reactants. Stoichiometry is a method used in chemistry which utilizes the amounts of reactants, products and the coefficients of the balanced chemical equation, to determine measurements such as the excess and limiting reactants. The chemical equation for this lab was NaHCO3(s) + HCl(ag) NaCl(s) + H2O(l) + CO2(g) and in the end of the lab the H2O and CO2 were evaporated. The chemical equation

Beran, J. A. Laboratory Manual for Principles of General Chemistry. 8th ed. Hoboken, NJ: John Wiley & Sons, Inc.; 2009 Beran, J. A. Laboratory Manual for Principles of General Chemistry. 9th ed. Hoboken, NJ: John Wiley; 2010 UC Davis ChemWiki. Stoichiometry and Balancing Reactions. http://chemwiki.ucdavis.edu/Analytical_Chemistry/Chemical_Reactions/Stoichiometry_and_Balancing_Reactions UCCS Ch