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Bell Work NH 3 + O 2 N 2 + H 2 O How many moles of oxygen react with 0.23 moles of NH 3 ?
Game of Ratios Make a Table Write the ratios Write multiple ratios
O 2 + 2NO 2NO 2 Amt O2Amt NOAmt NO2 Limiting Reactant Excess 1 molecule 2 molecule 4 molecule 2 molecule 8 molecule
Complete Worksheet Numbers 1 to 18
Questions What would be different if you had mass instead of moles? What is the difference between a limiting reagent and excess reagent?
More Practice Open the Link virtual lab link
C 1 1 H 4 2 O 2 3
ID the limiting reagent. How do you know?
ID the limiting reagent. How do you know?
Balance the equation Go to the virtual lab and check the answer.
2 reactants that you can control Go to the virtual lab and select different number of moles. Copy and fill in the table on the next page.
Moles C2H6 Moles O2 Moles CO2 Excess? Circle the Limiting Reagent, Calculate the moles CO2, Calculate Excess
Laboratory 08 LIMITING REACTANT LAB. Objectives 1.Understand mole-to-mole ratio in a balanced chemical reaction 2.Identify the limiting and excess reactant.
01 StoichiometryChapter 12. What conversion factors would you need if you were going to move from grams to liters? Solve the following problems. –How.
Lecture 109/21/05. Mass reactant Stoichiometric factor Moles reactant Moles product Mass product Stoichiometric Calculations.
Chemistry Chapter 9 - Stoichiometry South Lake High School Ms. Sanders.
The Mole & Stoichiometry!. Important Conversion Factors 1 mole = 6.02 molecules or atoms = molar mass in grams = 22.4 L 1 mole = 6.02.
Finding and Using Molar Ratios The coefficients in a balanced chemical equation can be used to determine the relative number of molecules, formula units,
Review Answers with step-by- step examples. Vocabulary Terms Stoichiometry: – the calculation of quantities in chemical equation. Limiting Reagent: –
There are seven skills which the student must master before performing stoichiometric calculations. 1.Using the periodic table, a student should be able.
Stoichiometry Kelley Kuhn CCA. What the heck is stoichiometry? Stoichiometry is what we use in chemistry to solve problems. For example, you can use stoichiometry.
Ch. 9 Notes -- Stoichiometry Stoichiometry refers to the calculations of chemical quantities from __________________ chemical equations. Interpreting Everyday.
Stoichiometry –The calculation of quantities using chemical reactions –Example: If we want to make 1.5 moles of Fe 2 O 3 using Fe + O 2, how much do we.
Daily Science pg. 82 You are doing the following reaction in the lab. You start with g of magnesium. How many grams of oxygen gas do you need? How.
Ch. 9.1 & 9.2 Chemical Calculations. POINT > Define the mole ratio POINT > Use the mole ratio as a conversion factor POINT > Solve for unknown quantities.
The BCA Method in Stoichiometry. Step 1- Balance the equation Hydrogen sulfide gas, which smells like rotten eggs, burns in air to produce sulfur dioxide.
April 3, 2014 Stoichiometry. Stoichiometry is the study of quantities of materials consumed and produced in chemical reactions Stoikheion (Greek, “element”)
Ch. 9 Notes – Chemical Quantities Stoichiometry refers to the calculations of chemical quantities from __________________ chemical equations. Interpreting.
Ch. 9-3 Limiting Reactants & Percent Yield. POINT > Define limiting reactant POINT > Identify which reactant is limiting in a reaction POINT > Define.
Copyright © Houghton Mifflin Company. All rights reserved. 9 | 1 Information Given by the Chemical Equation Balanced equations show the relationship between.
Aim: Using mole ratios in balanced chemical equations.
Stoichiometry Chapter 8. Stoichiometry Chemical equations Limiting reagent Problem types Percent yield Mass-mass Mole - mole other.
STOICHIOMETRY Chapter 9: Pages Cooking with Chemistry If we want to know how to make a product, how do we know the “recipe” for making that product?
1 Chemical Quantities Chapter 9. 2 Information Given by the Chemical Equation Balanced equation provides the relationship between the relative numbers.
SOL Review 6 Stoichiometry. Consider: 4NH 3 + 5O 2 6H 2 O + 4NO Many conversion factors exist: 4 NH 3 6 H 2 04NO 5O 2 (and others) 5 O 2 4 NO4 NH 3.
Stoichiometry Calculating Masses of Reactants and Products.
Molar Equivalence: An alternative to ratios In a balanced chemical equation, the balancing numbers reflect the ratio in which the chemicals react. This.
Coach Cox LIMITING REAGENT. WHAT IS A LIMITING REAGENT? Limiting Reagent (Reactant) – the reactant in a chemical reaction that limits the amount of product.
Limiting Reagent. Did you know? Hydrogen is the most abundant element in the Universe…it makes up about 75% of it. So far, all of the examples and equations.
Stoichiometry. Look back at Moles Practice 45.3 g of carbon is how many moles? 5.00 liters of carbon dioxide at STP is how many moles? How many molecules.
Chapter 9 Chemical Quantities. 9 | 2 Information Given by the Chemical Equation Balanced equations show the relationship between the relative numbers.
Solving a Stoichiometry Problem 1.Balance the equation. 2.Convert given to moles. 3.Determine which reactant is limiting. 4.Use moles of limiting reactant.
Limiting Reagents. If you are making tricycles, and you have 23 wheels, 20 handlebars, and 53 seats, how many tricycles can you make? 23 w (1 tricycle/
Chemical Equations IV Stoichiometric Calculations.
Stoichiometry MolesMass Remember! You cannot convert directly from a mass of one substance to the mass of another substance! You must always find moles.
Chapter 10. Determine all possible mole ratios for the following balanced chemical equations. 4Al + 3O 2 2Al 2 O 3 3Fe + 4H 2 O Fe 2 O.
Can’t directly measure moles Measure units related to moles: –Mass (molar mass) –Number of particles (6.02 x ) –Liters of gas (22.4 Liters at STP)
Limiting Reagent and Percent Yield. Always start with the balanced equation N 2 (g) + 3H 2 (g) → 2NH 3 (g) The mole ratio is 1:3:2 If we have 1 mole of.
(STOY-KEE-AHM-EH-TREE). Stoichiometry is the part of chemistry that studies amounts of reactants and products that are involved in reactions. Chemists.
Chapter 9 Chemical Quantities. Copyright © Houghton Mifflin Company. All rights reserved. 9 | 2 Information Given by the Chemical Equation Balanced equations.
Calculating Limiting and Excess Reagents Section 5.5 SCH 3U.
Mole and Mass Relationships in a Chemical Reaction Calculations and Questions Help.
Chapter 9 – STOICHIOMETRY The MATH of a CHEMICAL REACTION.
Stoichiometry – Ch What would be produced if two pieces of bread and a slice of salami reacted together? + ?
1 Chapter 5 Chemical Reactions 5.10 & 5.11 The Limiting Reactant and Reaction Yield.
Unit 8~ Stoichiometry Most of your notebooks are NOT graded. Please make sure to leave them in the same stack (NEATLY) after taking notes for me to grade!
Unit 12: Stoichiometry Stoicheion = element Metron = to measure.
VI. Organic Compounds = carbon containing compounds A. Hydrocarbons = only carbon and hydrogen cinnamaldehyde.
Chapter 11: Stoichiometry Section 11.1: Defining Stoichiometry.
Is this a balanced eq ? We only need ONE information during the reaction (reacted or produced)
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