Curated OER
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...
Curated OER
Determination of Water Hardness
Students investigate water hardness. In this water hardness lesson plan, students determine the water hardness in 4 samples of water after buffering each. By using titration and an indicator, students can determine the amount of calcium...
Curated OER
Investigating Buffers
Students investigate buffers and their behaviors when used with acids and bases. In this buffers lesson plan, students use a pH meter and create buffered acidic and basic solutions. To each of the buffered solutions students add strong...
Curated OER
Vocabulary - Acids and Bases
In this acids and bases worksheet, students write in the definitions for 20 terms associated with acids and bases, including buffer, pH, and equilibrium.
Curated OER
Off Base
Students study La Chatelier's principle and identify how carbon dioxide may affect pH. In this coral lesson students complete a worksheet on pH and observe a lab.
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Solutions
In this solutions worksheet, students determine the pH or molar solubility of different solutions. Students state is the mixture given forms a buffer. This worksheet has 20 problems to solve.
Curated OER
Acid Base
In this acid and base instructional activity, students review the characteristics of acids and bases, how to calculate pH of a solution, and define a buffered solution. This instructional activity has 16 multiple choice questions and 3...
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Chemical Reactions
In this chemical reactions learning exercise, students determine if solutions are acidic, basic, or neutral. Students give reactions' molecular equations and ionic equations. This learning exercise has 14 problems to solve.
Curated OER
pH
Learners use a Colorimetric test to measure pH and gain the importance to life in an aquatic ecosystem pH is. They explore the dramatic effect pH level can have on a water body. Students test the pH level of many water samples.
Curated OER
Information Technology
Students identify various threats to computers today. In this technology lesson, students explore various techniques to address security issues. They demonstrate what they have learned using classroom computers.
Curated OER
Biology Midterm Review
In this biology worksheet, 9th graders identify and locate various vocabulary terms pertaining to the study of biology. There are 50 biology terms located in the word search.
Curated OER
Measuring the pH Value of Water
Students test the pH level of a water sample by using a Colorimetric test. They explain the impact of pH levels on water and aquatic life.
Carnegie Mellon University
Chem Collective: Acid Mine Drainage
Students explore the chemistry behind the causes and effects of acid mine drainage on a modeled river. In this activity, students examine the chemistry of acidic mine runoff and its effects on river water.
California State University
Cal State Dominguez Hills/buffers Properties Problems
Sample problems involving properties of buffers.
Science Education Resource Center at Carleton College
Serc: Investigating Soil Acidity: Comparing P H and Buffering Capacity of Soils
As part of acid rain study, (environmental chemistry lab) students investigate the differences in pH of soil samples. They will collect and dry samples from the local prairie including grassland, transition, forest and riverbank and...
Other
Washington University: P H Buffers in the Blood
This site from the Department of Chemistry at the Washington University is an excellent site on how buffers are used in the human body and how they react to exercise.
Chemistry Collective
Chem Collective: Designing a Buffer Solution With a Specific P H
Create a buffer solution at a specific pH using a weak acid and its conjugate base.
Chemistry Collective
Chem Collective: P H and Buffers Defined
This tutorial presents a review of the definitions for pH and buffer solutions
Chemistry Collective
Chem Collective: P H in the Absence of a Buffer
This tutorial describes the effects of adding strong base or strong acid to water.
Chemistry Collective
Chem Collective: How Buffers Work
This tutorial describes how buffers protect against pH changes when strong acid or base is added.
Chemistry Collective
Chem Collective: Determining the P Ka and Concentration Ratio
Use the virtual lab to determine the pKa of a protein then create a buffer solution with a specific concentration ratio of the protein in its protonated/ unprotonated form.
Chemistry Collective
Chem Collective: Creating a Buffer Solution
An exercise to design a buffer solution with specific properties.
Chemistry Collective
Chem Collective: Dna Dye Binding: Equilibrium and Buffer Solutions
Students examine equilibrium and buffer solutions in a biological setting.
US Environmental Protection Agency
Epa: Soil Buffering Experiment
Use this site to explore the experimentation process of "Soil buffering."