Worksheet
Curated OER

WS 8.8 Molality and Colligative Properties

For Students 10th - 12th
For this molality and colligative properties worksheet, students determine the molality of solutions and they calculate freezing point depressions and boiling point elevations of solutions.
Lesson Plan
Curated OER

Laboratory: Hydrated Salts

For Teachers 10th - 12th
In this hydrated salt worksheet, students answer questions after completing a lab experiment using a hydrated salt. The calculate the empirical formula for the hydrate, they name the hydrate and they determine the mass of the water in...
Worksheet
Curated OER

Gas Stoichiometry

For Students 9th - 12th
In this gas stoichiometry worksheet, high schoolers use the ideal gas law and balanced chemical equations to solve for unknown values such as volume and mass of gases.
Worksheet
Curated OER

Additional Stoichiometry Review Problems

For Students 11th - Higher Ed
In this stoichiometry worksheet, students interpret a chemical equation, determine number of moles produced or mass of product, and solve for the limiting reactant for reactions. This worksheet has 25 problems to solve.
Worksheet
Curated OER

Honors Chemistry Ideal Gas Law

For Students 10th - 12th
In this ideal gas law worksheet, learners are given a problem to solve using a hot air balloon. They are given the volume, mass, temperature of the air inside the balloon and the temperature outside the balloon. They determine if the...
Worksheet
Curated OER

Chapter 5 Practice Problems

For Students 10th - 11th
In this chemistry worksheet, learners determine the oxidizing agent and the reducing agent in each stated problem. Then they determine the molarity of acetic acid. Students also use the previous activities to predict whether a...
Worksheet
Curated OER

AP Chemistry Thermochemistry 2

For Students 10th - 12th
In this thermochemistry worksheet, students solve a variety of problems including finding heats or reactions, determining specific heats of substances, finding the amount of energy released in a calorimeter determining the final...
Worksheet
Curated OER

CHM 152 Thermodynamics (Ch. 16)

For Students 10th - 12th
In this thermodynamics worksheet, students answer multiple choice questions about enthalpy and entropy, they calculate molar entropies and they determine equilibrium constants and free energy of reactions.
Lesson Plan
Cornell University

Polymers: Making Silly Putty

For Teachers 3rd - 8th
Putty is proof that learning can be fun! Share the wonderful world of polymers with your class through an experiment. Young scientists create their own silly putty, then examine its properties.
Worksheet
Curated OER

Unit 2 Quantities Review

For Students 9th - 12th
In this quantities in chemistry instructional activity, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and...
Worksheet
Curated OER

Chemistry Midterm Topic Review

For Students 10th - 12th
In this chemistry review worksheet, students answer and solve 95 questions about chemical reactions, hydrocarbons, functional groups, moles, acids and bases and solutions.
Lesson Plan
Virginia Department of Education

Aspirin Analysis

For Teachers 9th - 12th Standards
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. 
Worksheet
Curated OER

Combustion Analysis Worksheet

For Students Higher Ed
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.
PPT
Sophia Learning

Sophia: Molar Mass of an Element

For Students 9th - 10th
Through this short tutorial, learn how to use the periodic table of elements to determine the molar mass of elements.
Unit Plan
Sophia Learning

Sophia: Converting From Mass to Particles Using a Balanced Chemical Equation

For Students 9th - 10th
A narrated screencast explaining how to use a balanced chemical equation to determine the number of particles of a substance given the starting mass of another substance. [4:46]
Unit Plan
CK-12 Foundation

Ck 12: Percent Composition and Empirical & Molecular Formulas

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will learn to calculate the percent composition of a compound either from mass data or from the chemical formula. They will use...
Unit Plan
CK-12 Foundation

Ck 12: Gas Mixtures and Molecular Speeds

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] The following online tutorial helps students use Dalton's Law and mole fraction to calculate the partial pressure of a gas in a mixture. They will learn to calculate...
Handout
Towson University

Towson University: Determining Formulae

For Students 9th - 10th
Explanation of how to calculate empirical and molecular formulas.
Activity
Texas Instruments

Texas Instruments: Mole Activity

For Teachers 9th - 10th
This activity is intended to help students gain an understanding of the mole concept. By determining the molar mass of the element at each station, students will be able to identify the element. Students will learn that the molar mass of...
Unit Plan
Sophia Learning

Sophia: Chemical Reactions: Stoichiometry

For Students 9th - 10th
This lesson on stoichiometry demonstrates how to use a balanced chemical equation to determine the mass of a product given the starting mass of a reactant. [7:55]
Activity
Texas Instruments

Texas Instruments: Molar Gas Lab

For Teachers 9th - 10th
Students use stoichiometry to determine the mass of oxygen gas in a bottle. They may also check their answer against the amount of potassium chloride produced during the reaction.
Activity
Michael Blaber, PhD

Florida State Univ.: Stoichiometry: Chemical Formulas and Equations

For Students 9th - 10th
Determining empirical formula from analytical data, and determing molecular formula from empirical formula, with flow charts and sample calculations.
Activity
Texas Instruments

Texas Instruments: Conductimetric Titration & Gravimetric Determination

For Teachers 9th - 10th
Students use a Conductivity Probe to measure change in conductivity during a chemical reaction and determine the equivalence point of the reaction They determine the mass of the product and calculate the molar concentration of the...
Activity
Chemistry Collective

Chem Collective: Cola and Sucrose Concentration Problem

For Students 9th - 10th
In this activity, students use the virtual lab to prepare a sucrose solution for a soda recipe. They next calculate the concentration of their solution in terms of molarity, percent mass and density. Finally, they compare the density of...