+
Worksheet
Curated OER

Acid-base Indicators

For Students 8th - 12th
There is a chart to complete with results of the titrations for the 14 different pH indicators.  There are also nine questions for data analysis, and then four problems requiring equations, molarities, and pH values.
+
Lesson Plan
Curated OER

How is the Strength of an Acid Determined?

For Teachers 9th - 12th
Students study acids and how they can be measured.  In this acid instructional activity students distinguish the properties that create strong and weak electrolytes. 
+
Organizer
Curated OER

Acid-Base Calculations

For Students 10th - Higher Ed
For this acid-base worksheet, students calculate the pH of given solutions and determine if given solutions are acids, bases, or neutral. This worksheet has 3 graphic organizers and 4 problems to solve.
+
Assessment
Curated OER

2002 U.S. National Chemistry Olympiad National Exam - Part I

For Students 9th - 12th
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...
+
Assessment
Curated OER

2000 U.S. National Chemistry Olympiad Local Section Exam

For Students 9th - 12th
This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...
+
Lesson Plan
Curated OER

Regents High School Examination PHYSICAL SETTING CHEMISTRY 2007

For Teachers 9th - 12th
The University of the State of New York has designed a series of exams to be given to high schoolers. This chemistry exam is one of the most comprehensive and well-written that you will ever find. It consists of 84 questions in a variety...
+
Assessment
Curated OER

2001 U.S. National Chemistry Olympiad - Local Section Exam

For Students 9th - 12th
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...
+
Worksheet
Curated OER

Neutralization Reactions

For Students 9th - 12th
In this neutralization reaction activity, students read about how neutralization reactions are double replacement reactions in water. They complete five questions about neutralization reactions including completing five reactions and...
+
Worksheet
Curated OER

Solutions and Solubility Review

For Students 9th - 12th
In this solutions and solubility review activity, students are given main ideas about intermolecular forces, concentrations of solutions, molar solutions, ionic equations, solubility rules, acids and bases and titrations. Students answer...
+
Lesson Plan
Curated OER

Thermometric Titration of an Unknown Acid

For Teachers 9th - 12th
Students determine the number of ionizable hydrogen's in an unknown acid and determine the equivalent weight of an unknown acid. They determine the enthalpy change for the ionization of an unknown acid.
+
Lesson Plan
Curated OER

Radiation Reassessed

For Teachers 5th - 12th
Learners investigate the dangers of radiation by exploring recent nuclear tragedies.  In this scientific debate lesson plan, students define the idea of radiation "half life" and determine if low doses of radiation are truly...
+
Worksheet
Curated OER

Interpreting pH

For Students 9th - 12th
In this pH activity, students read about pH and the concentration of ions in solutions that are acidic and basic. They answer four questions about pH and determine the concentration of hydronium ions and the pH given concentrations of...
+
Lesson Plan
Virginia Department of Education

States of Matter

For Teachers 9th - 12th Standards
Scientists have been studying exothermic reactions before they were cool. The lesson plan begins with a discussion and a demonstration of heat curves. Scholars then determine the heat of fusion of ice and the heat needed...
+
Lesson Plan
Virginia Department of Education

Finding the Formula and Percent Composition

For Teachers 9th - 12th Standards
Do you have mole problems? If so, call Avogadro at 602-2140. The lesson starts with pupils working independently to solve for molar mass of ionic compounds. Then they learn to solve for percent composition and later perform an...
+
Lesson Plan
Virginia Department of Education

Vapor Pressure and Colligative Properties

For Teachers 9th - 12th Standards
Hate to vacuum, but enjoy using a vacuum pump? Explore a lesson that starts with a demonstration of boiling water at various temperatures by using a vacuum pump. Then scholars design their own experiments to measure vapor pressure and...
+
Lesson Plan
Virginia Department of Education

Moles Lab Activities

For Teachers 9th - 12th Standards
Want my name and number? It's 6.0221415 times 10 to the 23rd, and my name is Avogadro. Providing nine different activities, experiments, and labs, this lesson keeps Avogadro relevant to your class all year long. 
+
Worksheet
Curated OER

Buffers

For Students 10th - 12th
For this buffers worksheet, students identify the systems that could function as a buffer solution. Students determine the pH of a solution and the pH of the buffer. This worksheet has 6 problems to solve.
+
Worksheet
Curated OER

Organic Chemistry Practice Test

For Students 10th - Higher Ed
Framed as an organic chemistry practice test, this resource could be used for a variety of purposes. Composed of 15 questions about organic compounds such as isomers, alkynes, alkenes and amines, and other topics related to organic...
+
Worksheet
Curated OER

What do Chemists See When they Look at Chemicals?

For Students 9th - 12th
In this chemicals worksheet, high schoolers answer 15 multiple choice questions about chemicals, compounds, inorganic and organic molecules.
+
Lesson Plan
Curated OER

Water Purification

For Teachers 3rd - 5th
Learners develop an understanding and appreciation of water purification techniques and their implications for health maintenance.
+
eBook
Khan Academy

Khan Academy: Weak Acid Base Equilibria

For Students 9th - 10th
Learn about weak acid and base ionization reactions and the related equilibrium constants, Ka and Kb. Relate Ka and Kb to pH, and calculate percent dissociation.
+
Handout
University of Waterloo (Canada)

Univ. Of Waterloo: Conjugate Acids of Bases

For Students 9th - 10th
This site, created by a University of Waterloo Chemistry professor, applies conjugate pair theory. It also deals with the ionization constants for acids and bases.
+
Website
Oklahoma State University

Oklahoma State University: Acid Base Overview

For Students 9th - 10th
Beginning with the example of the hydrangea, this page gives a good overview of acid-base chemistry.
+
Activity
Michael Blaber, PhD

Florida State Univ.: Acid Base Equilibria: Dissociation of Water

For Students 9th - 10th
This article, which is provided for by the Florida State University Lecture notes on the dissociation of water. An interesting site to check out on the subject.