Curated OER
Fatty Acids For Soap Making
Students titrate a sample of fatty acids with standardized sodium hydroxide solution. From the amount of base needed for neutralization and the mass of sample used for titration, the apparent average molar mass of the sample is...
Beyond Benign
The Heat Is On
Explore an exothermic reaction with a quick lab investigation. The activity builds on the previous lessons by examining an ingredient in many shampoos. Scholars record temperature data as sodium hydroxide and water interact.
Curated OER
Heterogeneous Equilibrium: Measurement of a Partition Coefficient
In this chemistry worksheet, students examine a concept in science and then use the knowledge in application by conducting an experiment.
Curated OER
Thermometric Titration
In this thermometric titration worksheet, students titrate hydrochloric acid with sodium hydroxide to determine the concentration of hydrochloric acid. They measure the change in temperature of the solution, plot their data and use the...
Curated OER
Acids, Bases, and Buffers
In this acids and bases worksheet, students test the pH of different solutions to determine if it is basic or acidic. Students complete 7 short answer questions based on their results.
Nuffield Foundation
Effect of Size on Uptake by Diffusion
Cell size is limited by the surface area to volume ratio, but why is this true? Scholars measure the surface area and volume of cubes before placing them into liquid. After a set amount of time, they measure the uptake by diffusion for...
Virginia Department of Education
Acid-Base Theory
Litmus paper, why so blue? A chemistry activity includes a pre-lab activity, practice calculating pH, an experiment measuring the pH in acids and bases, a titration demonstration, and a titration experiment.
Curated OER
Thermometric Titration Involving Dataloggers
In this thermometric titration worksheet, students determine the concentrations of hydrochloric acid and ethanoic acid using a titration where they measure the temperature of the solution as they titrate. The equivalence point is found...
Curated OER
The Need for Normality
Students investigate the need for measuring concentrations in normality in titrations. In this titrations and normality activity, students perform titrations and use different indicators to show they change colors at different pH values....
Curated OER
Carbon Dioxide
High schoolers conduct a series of experiments to explore carbon dioxide properties. In this chemistry lesson, students explain the production and uses of this gas. They measure its amount in soda and waste product of yeast.
Curated OER
Introduction to Neutraliization
Pupils explore acids and bases and the process of neutralization.T hey practice volume measurements and observe the neutralization of an acid
directly through bubble formation and indirectly through indicator color changes.
Curated OER
Vision Props of Signed Numbers
Students explore the concept of titration. In this titration lesson, students observe acid and alkaline reacting. Students discuss pH factor, measuring acidity, neutrality, and alkalinity of liquids. Students put the pH of liquids on a...
Curated OER
DNA Isolation from Onion
Students apply measurement skills using the metric system. They explain the process of isolating DNA from other cell contents. They apply knowledge of cell structure to explain the process of isolating DNA.
Curated OER
Determination of the percentage of Acetic Acid in Vinegar
Students determine the concentration of acetic acid when the concentration of the base with which is titrated is known. They investigate how to weigh a sample using the balance, measure volumes using graduated cylinder, explore the...
Curated OER
Quality Control at Kality Krunchers Dill Pickle Factory
In a hypothetical scenario, food chemists use titration to concoct a brine solution for producing the crunchiest pickles. They also analyze store-bought pickle juices. In addition to reinforcing titration techniques, the lesson requires...
Pingry School
Qualitative Analysis of Eleven Household Chemicals
Chemical and physical properties give compounds an identity. Learners use the identity of a compound to predict what it is. By performing different tests like solubility, flame, heat, and reactions, individuals attempt to identify an...
Pingry School
Determination of the Molar Mass of an Unknown Acid
Acids and bases have a love-hate relationship. They balance each other so nicely, but they are complete opposites! Learners use these concepts and titration to calculate the molar mass of an unknown substance. The experiment document...
Virginia Department of Education
Aspirin Analysis
Laughter may be the best medicine, but aspirin is also important. Young chemists analyze aspirin tablets using titration in this lab experiment. They then repeat the entire experiment using a different aspirin brand.
Curated OER
Inquiry into Consumer Products
Students recognize different consumer products, found in and around the home, that have reactive or denaturing properties when used together. They explore chemical and physical properties of each product by identifying chemical formulas...
Curated OER
Determination of An Acid Dissociation
In this chemistry worksheet, learners examine the given concept in order to apply in the laboratory setting. The sheet includes in depth background information.
Curated OER
Acids And Bases
In this acid and base chemistry instructional activity, students solve 25 clues in a crossword puzzle based on the pH of common household solutions and common names of chemical compounds.
Curated OER
Making Soap
In this soap worksheet, students produce soap in the laboratory and test their product by washing away engine oil with their soap. Students answer four questions about tests they perform on their soap.
Curated OER
A Simple Thermoetric Titration
In this thermometric titration worksheet, students investigate the changes in temperature when an alkali is neutralized by an acid. Students graph their results from the titration and draw 2 best fit lines on their graph. Where the lines...
Curated OER
Preparation of Triiodomethane (iodoform)
In this preparation of triiodomethane activity, students use propanone to prepare triiodomethane. Students use filtration and recrystallization in order to make the product. They determine the melting point using a melting point apparatus.