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2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
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2000 U.S. National Chemistry Olympiad National Exam - Part I
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...
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Investigating Osmosis
A thorough investigation of cell transport is provided when completing the assignment. The first half requires biology class members to answer questions about diffusion and osmosis with the aid of diagrams. Then they fashion an...
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A Solubility Curve for Potassium Nitrate
Step-by-step laboratory instructions are listed so that chemistry explorers can consider the solubility of potassium nitrate. They combined their results with other lab groups' results and then graphed the data to display the solubility...
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Chapter 15 Review/Acid-Base Titration and pH
Chemistry stars calculate ion concentrations, pOH, or pH in different solutions. For questions in the latter half of the instructional activity, they also have to explain why a solution is acidic, basic, or neutral and solve for molarity...
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Chapter 14 Review, Section 2: Acids and Bases
Lewis acids and bases, Brønsted-Lowry acids and bases, ionization, and more are covered by this chemistry handout. It serves as a review of a specific textbook section, but will also serve as a nice review for any general chemistry...
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Chapter 13 Review, Mixed Review: Ions in Aqueous Solutions and Colligative Properties
Here is an attractive worksheet that walks chemistry learners through a review of aqueous solutions. There are matching, short answer, and multiple choice questions dealing with boiling and freezing points, precipitate, molality, net...
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Chapter 12 Review, Section 1: Solutions
Here is a different approach to solutions: a instructional activity that has chemistry learners use words to describe them! This is an outstanding exercise that will stretch learners to show what they know. They answer questions...
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Chapter 13 Review, Section 2: Ions in Aqueous Solutions and Colligative Properties
Here is a general chemistry worksheet that incorporates practical applications. Four questions employ critical thinking about solutions, boiling and freezing points, and molar mass. Your class will practice what they learn in class by...
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Chapter 13 Review, Section 1: Ions in Aqueous Solutions and Colligative Properties
This is an apt assignment for chemistry takers that are studying ionic solutions. Eight questions require problem solving and critical thinking to answer. The first question instructs learners to use a table in the textbook, but you can...
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Inorganic Compounds in Aqueous Solution-Colors
In this inorganic compounds worksheet, high schoolers complete a chart by determining the reactions between inorganic compounds in aqueous solutions. Students indicate the color of each solution and the product formed when each compound...
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Chapter 5 Practice Problems
In this chemistry instructional activity, students determine the oxidizing agent and the reducing agent in each stated problem. Then they determine the molarity of acetic acid. Students also use the previous activities to predict whether...
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Molarity Homework
In this molarity worksheet, students calculate the molarity and concentration of different solutions. This worksheet has 5 problems to solve.
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Electrolytes and Colloids Worksheet
In this electrolytes worksheet, students calculate percent composition, determine the electrical conduction of electrolytes, and explain the Tyndall effect. This worksheet has 7 problems to solve.
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Acid, Base, or Salt?
In this acids and bases instructional activity, students read about the differences between acids and bases and then complete a table comparing the characteristics of both. Then students determine if the given statements describe an...
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Solutions
In this solutions activity, students calculate molality and mole fraction. Students define colligative property and determine what affects the solubility of gas in solvents. This activity has 2 short answer questions and 9 problems to...
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Acids, Alkalis, and pH
In this pH worksheet, high schoolers determine how indicators work and what the pH scale is used for. Students learn what happens when non-metals burn in air and when metal oxides dissolve in water. This worksheet has 10 problems to solve.
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Hess's Law Cycle
For this chemistry worksheet, students write the balanced equation for the formation of one mole of fat from its elements under standard conditions. Then they write the balanced equation of the combustion of this fat. Students use Hess's...