Basic Stoichiometry PhET Lab 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 some of the reactants
Premium Oxygen Hydrogen Chemical reaction
Stoichiometry and Limiting Reagents Theodore A. Bieniosek I. Purpose and Theory The purpose of the experiment is to study and apply the processes of stoichiometric calculation on a controlled chemical reaction. We will be adding variable amounts of reactants in a chemical reaction in order to demonstrate the effect of limiting reagents. Based on the volumes of the reactants‚ and their respective molarities‚ we can calculate the theoretical yield of the reaction and compare it to the
Premium Chemistry Chemical reaction Sodium
experimental research‚ the percent oxygen of potassium chlorate can be determined using tactics such as stoichiometry‚ a technique used to determine the amount of substances that are in a reaction. Stoichiometry is an efficient way to determine how much of a certain substance is within a certain compound‚ which is used in many practical ways‚ such as pharmaceutical companies using stoichiometry to determine how much of a particular chemical is needed to use within a drug. However‚ within certain gas
Premium Chemical reaction Oxygen Chemistry
EXPERIMENT 2 Stoichiometry Introduction Stoichiometry is the study of the quantitative relationships in chemical reactions. By studying stoichiometry‚ you can calculate the quantity of reactants that will be consumed in a chemical reaction‚ and the amount of product produced. Consider the reaction of vinegar with baking soda. As you may know‚ this reaction produces carbon dioxide gas which bubbles out of the vinegar. But if you want to know how much gas would be produced from combining a teaspoon
Premium Stoichiometry Water Chemical reaction
and a negative ion (anion) are strongly attracted to one another. In this experiment‚ a precipitation reaction will be studied. Stoichiometry will then be used to investigate the amounts of reactants and products that are involved. The word stoichiometry is derived from two Greek words: stoicheion (meaning “element”) and metron (meaning “measure”). Stoichiometry is an important field of chemistry that uses calculations to determine the quantities (masses‚ volumes) of reactants and products
Premium Sodium Stoichiometry Chemical reaction
5.04H: Gas Stoichiometry Lab Worksheet Name: _________________________ Data and Observations: Present all relevant data in a data table below. Include an observations section for any observations that you made during the lab. (5 points) |Data Table | |Mass of magnesium strip (grams) | | |Volume of gas collected (mL) | | |Barometric pressure (atm)
Premium Stoichiometry Pressure Gas
course that covers fundamental concepts of chemistry‚ including measurements‚ states of matter‚ atomic theory and structure‚ chemical bonding‚ properties of matter‚ solutions‚ acids and bases‚ gases‚ intermolecular forces‚ chemical reactions‚ stoichiometry‚ and thermochemistry. Attendance: Attendance at all lecture and laboratory sessions is mandatory. Students will be dropped from course for excessive absences without valid excuses. Also‚ you are expected to be on time everyday. Grading:
Premium Chemistry Chemical reaction Stoichiometry
In this lab we studied stoichiomentry. We also reviewed the mole-mole relationship between copper and iron in a chemical reaction. The stoichiomentry of mass is that during the heating the experiment does loose mass .This mean that mole and mass did change. An Example of real world is Masses and volumes of products are extremely important in key reactions such as the deployment of air bags in vehicles‚ carbon dioxide production to help bread rise‚ and the Production of ammonia gas for industries
Premium Chemical reaction Ratio Chemistry
This made us conclude the limiting reactant was in fact CaCl2. Introduction Stoichiometry is a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data. Doing stoichiometry can calculate masses‚ moles‚ and percent’s with a chemical equation. The use of stoichiometry is how we were able to find the limiting reagent in this lab. We know that the limiting reagent is the chemical that will be used up first
Premium Stoichiometry Chemical reaction Chemistry
Baking Soda (NaHCO3) Lab (Stoichiometry) - Physical Science Name: __________________________________________________ Purposes: 1. Calculate theoretical mass of NaCl based on a known mass of NaHCO3. 2. Experimentally determine the actual mass of NaCl produced. 3. Calculate the percent yield for your experiment. Reaction Equation: NaHCO3(s) + HCl(aq) ( NaCl(s) + CO2(g) + H2O(l) Materials: safety glasses baking soda (NaHCO3) 1 M HCl and
Premium Hydrochloric acid Stoichiometry Solvay process