Curated OER
Stoichiometry
In this stoichiometry worksheet, students determine the concentration of solutions and calculate the molarity of solutions for given chemical equations. This worksheet has 4 problems to solve.
Curated OER
Acids and Bases Worksheet
For this acids and bases worksheet, students determine the pH and pOH for a given solution. Kids determine the conjugate acids for the given species. Students calculate which solution will have a higher pH. This worksheet has 16 problems...
Curated OER
Other Aspects of Aqueous Equilibria
In this aqueous equilbria worksheet, learners write the solubility product expressions for the given salts. Students determine what affects the solubility of salts. Learners calculate the pH of a buffer solution. This worksheet has 14...
Curated OER
Mole Relationships
In this moles worksheet, learners complete 93 word problems in they calculate the moles, volume, or mass of different molecules.
Curated OER
A Solution for Moles
Students calculate the concentration of different solutions. In this chemistry lesson, students explain what a solution is. They explain ways to change the concentration of a solution.
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
Chemical Stoichiometry Problems
In this stoichiometry worksheet, students calculate theoretical yield and percent yield. This worksheet has 2 problems to solve.
Curated OER
Don’t be a Stoic about Stoichiometry
Pupils review balancing chemical equations. In this chemistry lesson, students calculate moles of an unknown substance based on stoichiometric relationships in the balanced equation. They cite applications of stoichiometry in the real...
Curated OER
pH and Titration
For this pH worksheet, students review the titration procedure and the significance of the stoichiometric point. This worksheet has 2 problems to solve.
Curated OER
# 14 Experimenting with Copper (II) Solutions
Students determine that the relative concentration of copper ions in water can be determined by a color comparison. They make a copper (II) sulfate solution of a given concentration. Students dilute their initial solutions until their...
Merck KGaA (Darmstadt, Germany)
EMD PTE
You can't tell by the title, but this is a functional periodic table of elements. Incorporating bright colors, lucid text, and easily operated features, this application serves as a valuable reference tool for your chemistry class.
Curated OER
Unit 2 Quantities Review
In this quantities in chemistry worksheet, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent yields.
Curated OER
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...
Virginia Department of Education
Vapor Pressure and Colligative Properties
Hate to vacuum, but enjoy using a vacuum pump? Explore a lesson plan 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...
Virginia Department of Education
States of Matter
Scientists have been studying exothermic reactions before they were cool. The lesson begins with a discussion and a demonstration of heat curves. Scholars then determine the heat of fusion of ice and the heat needed to boil water through...
Curated OER
Bond Energies
Before completing this worksheet, chemists are supposed read a portion of their textbook. Assign the chapter on bond energies, endothermic, and exothermic reactions. Then have your class answer the questions and fill in the data tables...
LABScI
Freezing Point Depression: Why Don’t Oceans Freeze?
Can you go ice fishing in the ocean? Learners examine the freezing point of different saltwater solutions. Each solution has a different concentration of salt. By comparing the freezing points graphically, they make conclusions about...
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.
Santa Monica College
The Composition of Potassium Chlorate
The third lesson in a series of 11 begins by using thermal decomposition of potassium chlorate to determine the mass percent of oxygen. Then a second activity allows scholars to demonstrate that the resulting residue is from a...
Kenan Fellows
Reaction Stoichiometry—How Can We Make Chalk?
What is a reasonable percent yield in the manufacturing process? Scholars develop a process for producing chalk in the third lesson of a six-part series. Then, they must determine the theoretical and percent yield. Discussions about...
Curated OER
Stoichiometry
Balancing equations is a foundational skill for starting chemists. There are a few slides in this PowerPoint with colorful diagrams that help to explain how. Unfortunately, the presentation begins with an unrelated table of contents and...
Curated OER
Determination of Equivalent Weight of an Acid
In this chemistry worksheet, students look for the weight of acid and examine its mass using chemical equations and a laboratory procedure.
Curated OER
Studying the Equilibrium of a Water System
In this equilibrium worksheet, students perform a computer simulation on vapor pressure of water at different temperatures to answer 11 problem solving and short answer questions about the topic.
Curated OER
Combustion Analysis Worksheet
In this combustion worksheet, students are given directions as to how to analyze a combustion reaction and they then solve five problems using this process.