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46 resources with the concept percent yield

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Other Resource Types (46)
Lesson Planet

Greener Redox Lab

For Teachers 9th - 12th Standards
Do some experimentation with reduction-oxidation! Stoichiometry superstars use a single-replacement reaction to study limiting reactant, theoretical yield, and the reactivity of metals through a lab activity. The teacher's guide includes...
Lesson Planet

Condensation Polymerization: Preparation of Thiokoll® (Polysulfide Rubber)

For Teachers 11th - Higher Ed
This lab activity is geared toward experienced chemistry learners, in particular, those who are familiar with organic chemistry. They will create a synthetic elastomer  and then make observations and measurements of its different...
Lesson Planet

2000 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
The National Chemistry Olympiad exams are comprehensive tests covering an entire  year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
Lesson Planet

2009 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
Lesson Planet

Stoichiometry

For Students 9th - 12th
In this stoichiometry worksheet, students solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting reagents and...
Lesson Planet

Percents as Fractions: A Fraction of a Percent

For Students 6th - 8th Standards
Five questions make up an interactive all about percents and fractions. Mathematicians answer multiple-choice and fill in the blank problems with help from a tool that converts percents to fractions using a sliding bar. An open...
Lesson Planet

2015 AP® Chemistry Free-Response Questions

For Students 10th - 12th Standards
More than 80,000 scholars earned college credit for Chemistry with the AP exam in 2015. The College Board released the free-response questions covering topics, including moles, that often confuse scholars. They also released example...
10:06
Lesson Planet

The Law of Conservation: Crash Course Engineering #7

For Students 9th - 12th Standards
Try creating something out of nothing—it's not possible! Scholars watch an engaging video, the seventh in the Crash Course Engineering series, to learn about the Law of Conservation of Mass. The video also covers the accumulation,...
Lesson Planet

Reaction Stoichiometry—How Can We Make Chalk?

For Teachers 9th - 12th Standards
What is a reasonable percent yield in the manufacturing process? Scholars develop a process for producing chalk in the third lesson of a six-part series. Then, they must determine the theoretical and percent yield. Discussions about...
Lesson Planet

Lab 1: Nanocatalysts Clean Your Car Emissions

For Teachers 9th - 12th Standards
What a big job for such a small particle. Young scientists learn about the role of nanoparticles in catalytic converters for cars. They conduct an experiment to create alginate-MnO2 catalytic spheres. 
Lesson Planet

Aspirin—The Wonder of Medicine

For Teachers 9th - Higher Ed Standards
What do aspirin and the willow tree have in common? Scholars of chemical synthesis engage in a fascinating reaction to make their own aspirin samples. The lab uses thin layer chromatography analysis, includes stoichiometric calculations,...
Lesson Planet

Green"er" Precipitation Reaction

For Students 9th - 12th Standards
All sodium carbonate may not have the same amount of carbonate, but it should have the same percent. Learners write and balance an equation to predict the chemical reaction between sodium carbonate and zinc acetate. Through the lab...
2:34
Lesson Planet

Percent Yield

For Students 9th - 12th Standards
How do chemists know if they've done a good job performing a reaction? They use the percent yield equation! Introduce the calculation that often determines success (or otherwise) in the lab with a short video. The narrator explains...
Lesson Planet

Mole Ratios and Reaction Stoichiometry

For Teachers 9th - Higher Ed Standards
Stoichiometry sounds complicated, but it really means the study of the amount of substances involved in a reaction. The sixth lesson in an 11-part series has scholars use stoichiometry to find the theoretical yield of a reaction. Then,...
4:56
Lesson Planet

Percentage Yield

For Students 9th - 12th Standards
Theory versus reality strikes again — only this time, scholars figure how close they come to each other. Video explains how to use the numbers for theoretical yield and actual yield to determine the percentage yield of various...
4:37
Lesson Planet

Theoretical Yield and Losses

For Students 9th - 12th Standards
Theory is when you know everything, but nothing works right. Video focuses on how to find theoretical yield and why the theory doesn't work in reality. It includes a practice problem for finding the theoretical yield and concludes with...
9:08
Lesson Planet

Limiting Reactants and Percent Yield

For Students 9th - 12th Standards
Viewers watch while the narrator explains limiting reactions through the familiar example of a recipe. He then describes why it is necessary to use moles to solve these problems rather than just relying on diagrams. The video ends with...
15:36
Lesson Planet

Stoichiometry Practice

For Students 9th - 12th Standards
Build a solid understanding of reactants used and products produced in a chemical reaction with a lesson that begins with a basic stoichiometry problem and advances to questions involving limiting reactants and percent yields. 
Lesson Planet

Gravimetric Determination of the Nonvolatile Content of Paint

For Teachers 11th - Higher Ed
Here are the instructions for leading your advanced chemists though the process of measuring the nonvolatile components in a sample of paint. No student handout is provided, so you may want to create one based on the procedure explained....
Lesson Planet

Condensation Polymerization

For Teachers 11th - Higher Ed
This organic chemistry lab activity is appropriate for teaching polymerization, percent yield, melting point, or the types and uses of polymer materials. Chemistry pupils imagine that they are working for a company to develop a special...
Lesson Planet

Laboratory: Mass Relationships

For Teachers 9th - 12th
In this mass relationships activity, junior scientists answer six questions about their lab experiment and data including calculating the percent yield of product, discussing possible errors in their data, and comparing percent masses of...
Lesson Planet

Excess Reactant

For Teachers 9th - 12th
Junior chemists discover how to calculate excess reactants, handle limiting reactants, and determine percent yield. After background information is provided, step-by-step examples are solved. You can use this detailed slide show to teach...
Lesson Planet

Percent Yield

For Students 9th - 12th
In this percent yield worksheet, students solve 4 problems. They find the percent yield given the chemical reaction, the mass of the reactants and the mass of the products. Given the percent yield students find the liters of a substance...
Lesson Planet

Limiting Reagents and % Yield

For Students 9th - 12th
A half-page, seven-question query on the stoichiometric process makes up this resource. Cut the page in half for two identical quizzes. Junior chemists balance equations and compute the percent yield or the mass of products for seven...