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2009 U.S. National Chemistry Olympiad National Exam - Part I
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...
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Conductivity of salt Solutions
Students investigate the concentration level of solutions. In this math/science lesson, students identify three different ionic compounds. They predict the conductivity of each using their collected data.
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Science: Adding Solutes to Solvents
Students design experiments examining the effects of various solutes on water. They record results on graphs explaining any unexpected consequences of their experiments and determine if their hypotheses were correct.
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Endothermic and Exothermic Lab
In this endothermic and exothermic reactions worksheet, students experiment with water and a salt of choice to determine if heat is absorbed or released in the reaction. Students take the temperature of their solution over a 2 minute...
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Chemical Bonding
Students classify compounds as ionic or covalent. In this chemical bonding lesson plan, students experiment with 6 chemical compounds. They test physical properties such as the melting point, the solubility and the electrical...
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Solubility and Intermolecular Forces
In this solubility and intermolecular force worksheet, learners are given 26 clues about forces between molecules such as hydrogen bonds and London forces and about solubility of solutions.
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Water - the (Nearly) Universal Solvent
In this water worksheet, students explore the reasons why water is considered a universal solvent. Students compare different ways to change the dissolving rate of a solute. This worksheet has 11 fill in the blank and 8 matching questions.
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Salts
In this acid and base activity learners complete a chart then answer a series of questions on how acidic and basic different solutions are.
Pingry School
Comparing Activities of Selected Metals
Don't overreact! A simple experiment demonstrates chemical reactions as scholars mix chemical solutions and metals in a large well plate. They note all changes to the metals, solutions, precipitate, colors, and more. A full data table...
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Reactions in Aqueous Solutions
In this solutions learning exercise, students calculate the molarity and solubility for given reactions. Students work on dilution, precipitation, and titration reactions. This learning exercise has 15 problems to solve.
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Additional Aqueous Solution Review Problems
In this solutions worksheet, learners balance chemical equations, classify reactions by the type of reaction it represents, and review the solubility rules. Students practice working out double displacement, neutralization, and dilution...
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2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
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2001 U.S. National Chemistry Olympiad - Local Section Exam
Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...
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Unit 3 Bonding
An organized table charting the different types of chemical bonds arrays this resource. The octet rule, ionization energy, and the naming of compounds are also reviewed. Young chemists answer review questions in multiple choice fashion....
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Solution Chemistry Investigation
Students engage in a instructional activity that is concerned with the concepts related to solution chemistry. They calculate the molar mass of various chemical compounds. Then students predict the anion ratio for ionic compounds....
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Precipitation and Neutralization Reactions
In this chemical reactions worksheet, pupils determine the balanced formula equation, balanced complete ionic equation, and the balanced net ionic equation for given reactions. Students calculate final concentrations for ions in given...
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Precipitation, Acids and Bases, and Molarity
In this chemistry worksheet, students write the net ionic equations for any precipitation reactions that occur on mixing aqueous solutions for each of the substances listed. Then they write the net ionic equations for the acid/base...
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Reaction Types and Stoichiometry
In this chemical reactions worksheet, students balance chemical reactions and identify each type of reaction. Students write the net ionic equation for reactions. Students calculate moles and grams of reactants or products. This...
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Titration
In this titration worksheet, students calculate the pH of a solution at different points during a chemical reaction. Students write a balanced net ionic equation for the major equilibrium reaction. This worksheet has 3 problems to solve.
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Chapter 7 Vocabulary
In this online vocabulary worksheet, students match 14 definitions to the correct vocabulary term. Students may click the solution button to check answers.
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Chemistry: Chemical Reaction
In this chemical reactions worksheet, students name the reactants and products, balance the equation, calculate the molecular weight of the reactants and products, and classify each reaction type. Students fill in a table of solubility...
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Matter Overview
There is not much information in this presentation. It serves more as a guide to direct the flow of your introductory chemistry lecture. Each slide displays a large title and a smaller phrase meant to explain it. For example, one title...
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Chemical Bonding and Shapes of Molecules
In this chemical bonds worksheet, students review the different types of bonds, Lewis dot structures, ions, and molecule shapes. This worksheet has 10 matching, 17 multiple choice, and 3 drawing questions.
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Reactivity Series of Metals
In this reactivity series worksheet, 10th graders complete 10 short answer questions on metals. They identify and balance chemical reactions.