Limiting Reactants

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Limiting Reactants Clark-Grubb Mansberger Yagel

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Limiting Reactants. Clark-Grubb Mansberger Yagel. Limiting vs. Excess. Limiting Reactant-. The reactant in a chemical reaction that limits the amount of product that can be formed. The reaction will stop when all of the limiting reactant is consumed. Excess Reactant -. - PowerPoint PPT Presentation

Transcript of Limiting Reactants

Page 1: Limiting Reactants

Limiting Reactants

Clark-GrubbMansbergerYagel

Page 2: Limiting Reactants

Limiting vs. Excess

Limiting Reactant-

Excess Reactant-

The reactant in a chemical reaction that limits the amount of product that can be formed. The reaction will stop when all of the limiting reactant is consumed.

The reactant in a chemical reaction that remains when the reaction stops. The excess reactant remains because there is nothing left with which it can react.

Page 3: Limiting Reactants

Real Life Example…

If there are only 8 car bodies, then only 8 cars can be made.

Likewise with chemistry, if there is only a certain amount of one reactant available for a reaction, the reaction must stop when that reactant is consumed whether or not the other reactant has been used up.

Page 4: Limiting Reactants

4 NH3+ 5 O2   4 NO(g) + 6 H2O

When asked to solve for limiting reactant, solve for the theoretical yield in grams of one product

for ALL reactants!

A 23.8 grams sample of ammonia is mixed with 18.0 grams of oxygen.  Which is the limiting reactant and which is in excess?

The limiting REACTANT is the one which produced the smallest amount of product

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Page 5: Limiting Reactants

4 NH3+ 5 O2   4 NO(g) + 6 H2O

A 46.2 grams sample of ammonia is mixed with 26.8 grams of oxygen.  What is the theoretical mass of water that can be produced?

The limiting REACTANT is the one which produced the smallest amount of product

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When 45 g of oxygen reacts with 56 g of potassium, what is the theoretical yield in grams of potassium oxide?

4 K + O2 2 K2O

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Unit 6 – Chemical Reactions Chemical equations, Molar mass, Rates of reactions, Limiting reactants.

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Limiting Reactants In a chemical reaction you often have two or more reactants and until now we have assumed that there has been enough of each reactant.

Limiting Reactants In a chemical reaction you often have two or more reactants and until now we have assumed that there has been enough of each reactant.

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Section Section 9-3 Limiting Reactants and Percent Yield.

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Limiting Reagents/Reactants. Limiting Reactant- the reactant that is completely consumed in the chemical reaction Excess Reactant- the reactant that is.

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MODULE 4 (Physical Science) INTRODUCTION … · they occur, the evidence of a chemical reaction, limiting reactants versus reactants in ... Differentiate between atoms and ions. Identify

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Limiting Reactants in Chemical Analysis: Influences of Metals

15 Limiting Reactants

15 Limiting Reactants

Limiting Reactants C1Y vM - David Goldberg · PDF file©HSPI – The POGIL Project Limited Use by Permission Only – Not for Distribution Limiting Reactants C1Y vM 3 7. Suppose you

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Solving Limiting Reactant Problems. Background In limiting reactant problems, we have the amounts (masses or mols) of two of the reactants. The problem.

Solving Limiting Reactant Problems. Background In limiting reactant problems, we have the amounts (masses or mols) of two of the reactants. The problem.

Limiting Reagents Chemistry Notes. What are limiting reagents? Up until now, we have assumed that all reactants are used up in a reaction. In actuality,

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1 Percent Yield and Limiting Reactants Copyright © 2007 by Pearson Education, Inc. Publishing as Benjamin Cummings Edited by bbg.

1 Percent Yield and Limiting Reactants Copyright © 2007 by Pearson Education, Inc. Publishing as Benjamin Cummings Edited by bbg.