Curated OER
Acid/Base Equilibrium
In this equilibrium learning exercise, students solve nine problems related to acids, bases, buffers, ionization and calculations of pH.
Curated OER
Writing Equilibrium Constants
In this equilibrium constants worksheet, students write the reaction quotient for each of the chemical reactions. Students compare the reaction quotient with the equilibrium constant. This worksheet has 5 problems to solve and 5 short...
Lewiston High School
Weight and Mass & Forces in Equilibrium
I would weigh less on the moon? Send me there, then! On the top of the first page, a cartoon image demonstrates the difference between Earth and the moon. It then goes on to describe weight and mass and provides five practice problems...
Curated OER
Le Chatelier's Principle
In this chemical equilibrium activity, students read about how additions to a system can shift the equilibrium. Students then apply the Le Chatelier's Principle to solve 5 problems.
Curated OER
Equilibria 1
In this equilibria worksheet, students answer 5 multi-step questions which pertain to equilibrium expressions and concentrations.
Pingry School
Chemical Equilibrium
We know about the light spectrum, the age spectrum, and sound spectrum, but do chemical reactions also occur on a spectrum? Young scientists experiment with partial reactions on a spectrum and observe the color changes. Then, they...
Concord Consortium
Pendulum and Spring
Up, down, back, and forth. When you make a pendulum out of a spring, there's a lot to observe. Aspiring masters of motion examine the combined kinetic energies of spring and pendulum motion using a detailed interactive. Learners observe...
Curated OER
Acids and Bases
In this chemistry worksheet, students answer 50 multiple questions on acids and bases. They calculate the pH and pOH of acid and bases solutions.
Curated OER
Review of Reaction Kinetics
In this chemistry review learning exercise, students answer 50 multiple choice questions on reaction kinetics. They identify the factors affecting the rates of reactions.
Curated OER
Chemical Reactions
In this chemical reactions learning exercise, students use the LeChatelier's principle to predict concentrations. Students determine if products or reactants are favored at equilibrium for given equilibrium constants. This learning...
Curated OER
Molar Solubility
In this molar solubility worksheet, students calculate the equilibrium constant when given the molar solubility of a chemical compound and calculate the molar solubility of a compounds at a given equilibrium constant. This worksheet has...
Curated OER
Practice Exam III
In this chemistry practice exam worksheet, students solve ten multiple choice questions about equilibrium, acids, bases and reactions. Students then solve four problems about equilibrium and chemical reactions of acids and bases.
Curated OER
Chemical Equilibria
In this equilibria worksheet, students are given detailed information about LeChatelier's principle and how to solve equilibrium problems. They then calculate concentrations of compounds in solutions.
Curated OER
Chemistry Lab: Solubility Product Constant of Sodium Chloride
In this solubility product constant of sodium chloride worksheet, learners gather the equipment needed and follow the procedures to determine the solubility product constant of a solute and demonstrate precipitation of a common ion to a...
Curated OER
Temperature and Keq
The presentation offers a set of three problems related to temperature and equilibrium reactions. It walks through solving each, reminding pupils how to figure for the forward and reverse rates.
Curated OER
Chemistry 152 - Competencies
In this chemistry competencies worksheet, students calculate rate law, balance equations, determine pH of solutions, give the oxidation number for atoms, and write in formulas. This worksheet has 4 fill in the blank questions and 20...
Curated OER
Colligative Properties and Chemical Equilibria
In this colligative properties and chemical equilibria worksheet, students answer twenty questions including ranking solutions base on their colligative properties and determining what must happen to a reaction to reach equilibrium.
Concord Consortium
Spring and Mass
Here's a resource with more bounce for the ounce! Engage your physical science class with an interesting interactive that allows individuals to perform tests with a mass attached to a spring. Participants can customize the scenario by...
Curated OER
Weight, Friction, and Equilibrium
In this weight worksheet, students read about weight, friction, and equilibrium. Students then complete 10 matching, 7 fill in the blank, and 8 word problems.
Curated OER
2000 U.S. National Chemistry Olympiad Local Section Exam
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...
Curated OER
Thermodynamics
In this thermodynamics worksheet, students calculate the change of entropy and standard free energy change for given reactions. Students write expressions for the thermodynamic equilibrium constants for reactions. This worksheet has 10...
Curated OER
Weight, Friction, Equilibrium
In this weight worksheet, students review the equation for solving for the force of weight and review the kinds of friction. Students complete 10 matching, 7 fill in the blank, and 8 problems to solve.
Curated OER
Chemical Equilibria
In this chemical reactions learning exercise, learners determine how mixtures shift toward reactants or products to reach equilibrium. For given reactions, students determine how concentrations will change when adding or removing gases...
Curated OER
Main Sequence Stars: A System in Equilibrium?
Fourth graders study the equilibrium of internal forces in a main sequence star.