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2005 U.S. National Chemistry Olympiad - Local Section Exam
National Chemistry Olympiad tests are released after their use each year, since they cannot use them again for this event. The result: outstanding comprehensive assessment resources for general chemistry classes! This 2005 version covers...
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The Colors of Chemistry
Students investigate the acidity and alkalinity of common household products in an experiment. They use red cabbage juice and litmus paper to show the difference between strong acids and bases as they work with vinegar, dish washing...
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pH Pre-Lab: Acids and Bases
In this chemistry lab, students determine whether or not their saliva is acidic, basic, or neutral. After completing their test, they answer 6 analysis questions.
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Chemistry - Science 10
In this chemistry science worksheet, students identify the parts of a chemical reactions. Students name the major particles of the atom. Students apply knowledge about the atom, theories, and models.
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Acidic Apples and Basic Belches
Young scholars determine whether everyday consumables are acidic or bases. They investigate, in groups, the difference between acids and bases. They determine which substance tested would be most effective in treating heartburn and why.
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Sour Acids and Bitter Bases
Young scholars explore acids and bases. They experience the sour taste of acids and the bitter taste of bases by tasting substances such as chocolate, lemon juice, and baking soda. in addition, they complete a worksheet for individual...
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Precipitation, Acids and Bases, and Molarity
In this chemistry worksheet, learners 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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Naming Acids
In this naming acids worksheet, students are given a chart with polyatomic ions and acid names with oxidation states, prefixes and suffixes. They use the chart to help name the eighteen given acids.
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Acid/Base Equilibrium
In this equilibrium worksheet, students solve nine problems related to acids, bases, buffers, ionization and calculations of pH.
Creative Chemistry
Volumetric Analysis 3 To Determine the Relative Molecular Mass of a Soluble Base
In this volumetric analysis instructional activity, learners experimented with a known amount of hydrochloric acid to determine the relative molecular mass of an unknown group 1 carbonate. Students use volumetric analysis to determine...
Teach Engineering
Red Cabbage Chemistry
Using the natural pH indicator of red cabbage juice, groups determine the pH of different everyday liquids. As they work, pupils gain an understanding of pH that may help deal with contaminants in the water supply.
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Chemistry 116 Exam 2 Summer 2009
Written for an introductory organic and biochemistry course, this exam will challenge your class. They label functional groups and stereocenters on drawings of molecules, draw structures given the name, complete drawings of chemical...
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The Great Cafeteria Caper
Students extract DNA from their own hair roots. They run an electrophoresis gel to examine patterns of their DNA along with standard DNA. The experiment is based on a crime scene scenario.
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Review of Ionic and Covalent Compounds and Transitioning from Ionic to Covalent Compounds
Here is a unique assigment: compare and contrast ionic and covalent compounds in an extensive data table and then analyze Lewis dot structures in antoher. Three columns are to befilled in: "characteristic or feature," "applies to ionic...
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Acids and Bases in Water
In this acids and bases worksheet, students read about what happens when an acid or base is added to water. Students complete 6 short answer questions.
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Chemical Magic
Students identify acids and bases. In this chemistry lesson plan, students use red cabbage juice as an indicator of whether the liquid is an acid or base. Students discuss the results.
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Acid Neutralization Lab
Young scholars discuss and design a lab to measure pH of limestone, pyrite, limestone-pyrite mixtures and their control. They have their labs approved by the instructor before they begin. Students preform the lab and explore the...
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Equilibrium and Acid/Base Equilibrium
For this acid/base and equilibrium worksheet, students solve seven problems including calculating equilibrium concentrations of all species in a reaction, calculating the pH of solutions, determining the direction of a reaction at...
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Chemistry 115 Practice Exam 3
Radioactive decay, pH, properties of elements, organic compounds, and stoichiometry are all touched upon through this practice chemistry exam. It always helps learners to take a practice test in preparation for the actual exam. This...
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Acid-Base Indicators
The first two pages provide a chart to complete with results of a lab test using different solutions and indicators. The data analysis questions will help your students understand the concentrations of the solutions and how they affect...
Royal Society of Chemistry
pH 4: Activity
Sometimes playing games in class isn't a bad thing. Science sleuths evaluate and calculate pH and pOH with an online resource. They then manipulate concentration information and relate it during a series of puzzles.
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Chemistry Worksheet 3
In this chemistry worksheet, students determine the pH of several given solutions. Students label indicated substances as either acids or bases according to Bronsted-Lowry theory.
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Calculating pH
In this pH worksheet, learners are given information and directions as to how to calculate the pH of solutions. They use their calculators to find the pH of given solutions and apply what they learned about identifying acids and bases.
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Chemical Reactions
In this chemical reactions worksheet, students solve 16 exercises by writing and balancing chemical reactions. They calculate the concentration of various solutions.