Chemical reaction stoichiometry is an essential consideration in any situation involving change in chemical composition. Ap stoichiometry free response questions page 3 2000 answer the following questions about bec2 o4 s and its hydrate. Stoichiometry of chemical reactions chemistry libretexts. Explain the concept of stoichiometry as it pertains to chemical reactions use balanced chemical equations to derive stoichiometric factors relating amounts of reactants and products perform stoichiometric calculations involving mass, moles, and solution molarity. Stoichiometry tends to be a very challenging concept for many students since there are so many different types of stoichiometry problems. Enthalpy stoichiometry worksheets lesson worksheets. Convert the following number of moles of chemical into its corresponding mass in grams.
Silver sulfide ag 2 s is the common tarnish on silver objects. Stock solution concentrations of hcl, h 3po 4 and naoh 1. Sodium sulfate reacts with carbon to form sodium sulfide and carbon dioxide. Stoichiometry stoykeyometry problems are based on quantitative relationships between the different substances involved in a chemical reaction. Calculate the concentration of the sodium hydroxide solution. Chemical equations chemical equations are concise representations of chemical reactions. Be sure to show all your work and explain whether the results show the wife to be innocent or a murder. Based on the balanced chemical equation, we can calculate.
Answer the following stoichiometry related questions. The chemical recipe necessary to combine substances to make new substances stoichiometry is the relationship between the amount of reactants used and the amount of products produced in a chemical reaction. Worksheet 4 balancing reactions, stoichiometry and limiting reagents 1. Corwin textbook publisher website with objectives and. Stoichiometry theoretical yield the theoretical yield is the amount of product that can be made in other words it. The libretexts libraries are powered by mindtouch and are supported by the department of education open textbook pilot project, the uc davis office of the provost, the uc davis library, the california state university affordable learning solutions program, and merlot. Worksheet 4 balancing reactions, stoichiometry and limiting. How many moles of h 2 o are produced after complete reaction of 4. Stoichiometry volumevolume problems worksheet answer key docx 18 kb need help downloading. An answer key is provided at the end of this worksheet. Stoichiometry is based on the law of conservation of mass. Usingtablejtopredictasinglereplacementreaction thehigherupontablejthemorereactivethe. Show your calculation for the mmol of base and the mmol of acid in mixing experiment 1.
Chapter 3 chemical reactions and reaction stoichiometry. Chemists have used reactions to produce the materials teflon, nylon, dacron, kevlar. It will be based on the mass of the reactants present, and on the stoichiometry of the reaction. The chemical recipe necessary to combine substances to make new substances stoichiometry is the relationship between the amount of reactants used and the amount of products produced in a. Ammonia gas reacts with oxygen gas according to the following equation. Calculate the mass of nh 3 that can be produced from the reaction of 125 g of ncl 3 according to the following equation. Chm stoichiometry worksheet the following flow chart may help you work stoichiometry problems. Notes 03 stoichiometry we covered the first two pages of these in the first unit average atomic mass and mass spectra and now will start on page 6 with percent composition. Stoichiometry practice worksheet balancin e uations and sim le stoichiomet balance the following equations.
The first worksheet is composed of 10 stoichiometry problems. This is why we always have to convert amounts to moles when working stoichiometry problems. Worksheet 4 balancing reactions, stoichiometry and. Balance the equation for the reaction of iron ill phosphate with sodium sulfate to make iron ill sulfate and sodium. Stoichiometry worksheet 1 everett community college. After balancing reactions, use stoichiometry to solve this case. Chapter 6 balancing and stoichiometry worksheet and key topics. Note that chem 11 problems will be more involved and more rigorous than these. Solution stoichiometry worksheet solve the following solutions stoichiometry problems. Nitrogen dioxide reacts with water to form nitric acid and nitrogen monoxide. Such situations include 1 reaction kinetics, 2 reaction equilibrium, and 3 reaction bookkeeping, as follows.
The reaction of formation of silver sulfide is given below. A mixture of cobaltii oxide and cobaltiii oxide contains 32. How many grams of no are produced when 25 moles of oxygen gas react. Chemical reactions and reaction stoichiometry prepared by john n. Gas stoichiometry worksheet w 320 everett community college student support services program the following reactions take place at a pressure of 1. Based on the following equation, how many moles of each product are produced when 5. Usingtablejtopredictasinglereplacement reaction thehigherupontablejthemorereactivethe. The coefficients in the balanced reaction represent the moles of the substances that react and form. Unit 9 notes stoichiometry pdf 20 pages students pdf.
Write out the following reactions, and balance them. Copperii chloride reacts wsodium nitrate to produce copperii nitrate and sodium chloride. Stoichiometry the study of quantitative relationships between the amounts of reactants used and amounts of products formed by a chemical reaction is called stoichiometry. Stoichiometry page 1 chapter stoichiometry stoichiometry stoykeyometry problems are based on quantitative relationships between the different substances involved in a chemical reaction. Fermentation is a complex chemical process of making wine by converting glucose into ethanol and carbon dioxide. Stoichiometry molemole problems worksheet answer key docx 16 kb stoichiometry volumevolume problems worksheet answer key docx 18 kb need help downloading. The only things left in the equation are those things that change i. And weve already seen in this chapter how to convert grams of a. Stoichiometry practice worksheet solve the following stoichiometry gramsgrams problems. Balancing equations writing a chemical equation stoichiometry practice. Chem 1105 experiment 7 1 experiment 7 reaction stoichiometry and percent yield introduction stoichiometry calculations are about calculating the amounts of substances that react and form in a chemical reaction. Stoichiometry percent yield worksheet show all work 00 yield actual yield x 10th theoretical yeild theoretical yield answer to your stoich problem. Remember to pay careful attention to what you are given, and what you are trying to find.
We also acknowledge previous national science foundation support under grant numbers 1246120. Molten iron and carbon monoxide are produced in a blast furnace by the reaction of ironiii oxide and pure carbon. You need the microsoft word program, a free microsoft word viewer, or a program that can import word files in order to view this file. Gas stoichiometry worksheet everett community college. Types of chemical reactions and solution stoichiometry central. Crs provides constraints on the optimization minimization of. The word stoichiometry comes from the greek stoikheion element and metria measure. Write a balanced equation for the reaction of sulfuric acid with gallium hydroxide to form water and gallium sulfate. Chapter 4 aqueous reactions and solution stoichiometry.
Actuah yield given in the problem or the experimental yield. Prelude to stoichiometry this chapter will describe how to symbolize chemical reactions using chemical equations, how to classify some common chemical reactions by identifying patterns of reactivity, and how to determine the quantitative relations between the amounts of substances involved in chemical reactions that is, the reaction stoichiometry. Reaction stoichiometry worksheet as you work through the steps in the lab procedures, record your experimental values and the results on this worksheet. Solve the following solutions stoichiometry problems. Limiting reagent this is the reactant which controls the extent of the reaction. Stoichiometry worksheet 1 w321 everett community college student support services program balance the following equations and then solve the related problems. New and improved reactions and stoichiometry notes. Calculate the number of moles of naoh that are needed to react with 500. Assume that the empirical formula of the gas is the true formula. Click on popout icon or print icon to worksheet to print or download. Kirby quinnipiac university hamden, ct lecture presentation. Stoichiometry worksheet 3 everett community college.
How many moles of oxygen gas are needed to react with 23 moles of ammonia. As such, balanced reactions are in moles by default. Chemistry stoichiometry worksheets teachers pay teachers. This worksheet explains the introductory level concepts in a very accessible, stepbystep way and provides multiple examples for students to practice their newl. Worksheets are reaction enthalpy and stoichiometry, enthalpy of reaction h chem1101 work 10 enthalpy, chemistry ii enthalpy work name, chem1612 work 2 answers to critical thinking questions, thermodynamics, stoichiometry work 1 answers, stoichiometry practice work. Stoichiometry worksheet 2 everett community college. Stoichiometry is the tool for answering these questions. This reaction was studied in topic 6 reactions of acids with oxides and hydroxides of metals. Answer the following stoichiometryrelated questions. The problems on this worksheet are chem 10 level problems. Chapter 6 balancing and stoichiometry worksheet topics. In a combustion reaction, acetylene c2h2 combines with oxygen to form carbon dioxide and water. Prelude to stoichiometry this chapter will describe how to symbolize chemical reactions using chemical equations, how to classify some common chemical reactions by identifying patterns of reactivity, and how to determine the quantitative relations between the amounts of substances involved in chemical reactionsthat is, the reaction stoichiometry.359 153 957 1168 1462 1098 731 876 385 1477 386 934 247 1488 1493 819 948 136 1217 1060 785 514 1266 1191 645 268 669 834