Curated OER
The Connection Between Pigment and Light Colors
Students explain the mole concept and use this concept to prepare chemical solutions of particular molarities.
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
Lab: Determining the Number of Moles and Molecules Used Up In a Burning Candle
Students find moles and molecules used when a candle burns. In this moles and molecules lesson plan, students calculate the initial mass of a candle and the mass of a candle after it burns for 3 minutes. They calculate the mass lost when...
Curated OER
AP Chemistry Thermochemistry 2
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...
Curated OER
Iron Filings
Students conduct an experiment in which a solution of copper(II) sulfate is added to iron filings. They write and balance the equation for the reaction that occurs and calculate the amount of iron that reacted and the percent yield of...
Curated OER
Ideal Gas Law
Young scholars explain and use ideal gas law and use the law to solve problems. They use conversion factors to convert mass to mol. Also students use stoichiometry skills previously learned.
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
Percentage Composition
In this chemical compounds worksheet, students determine the empirical formula or the molecular formula for the compounds given. Students calculate percent composition. This worksheet has 10 problems to solve.
Curated OER
Combustion Analysis Worksheet
In this combustion activity, students are given directions as to how to analyze a combustion reaction and they then solve five problems using this process.
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...
Curated OER
Formulas and Mole Conversions
For this formulas and mole conversion worksheet, students answer 22 graphic organizer, multiple choice, and short answer questions pertaining to formulas and mole conversion.
Curated OER
Stoichiometry
In this stoichiometry learning exercise, students review mole conversions, percent composition, empirical formulas and molecular formulas. This learning exercise has 6 problems to solve.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Molar Mass Conversion Factors
Read how to use molar mass equations to find conversion factors and molecular compounds. View several examples using given formulas for molar mass.
CK-12 Foundation
Ck 12: Chemistry Simulation: Mole Carnival
[Free Registration/Login Required] In the mole carnival, students count the number of atoms and particles in different objects found at the carnival. As students work to find the number of particles, they practice counting particles by...
CK-12 Foundation
Ck 12: Plix Series: Gas Density: Mass, Volume and the Mole
[Free Registration/Login Required] Find out what mathematical function should be performed in order to move from mass to moles and back again. After the activity, answer one multiple choice, challenge question about the topic.
CK-12 Foundation
Ck 12: Plix Series: Gas Density: Mass, Volume and the Mole
[Free Registration/Login Required] Find out what mathematical function to perform when converting between particles and moles. Then answer one challenge question about the topic.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Percent Element in Compound
This section from the online textbook, "An Introduction to Chemistry", gives the steps to calculate the percent of an element in a compound. A few example calculations are shown. Also find links to chapter maps and power points for other...
Science Education Resource Center at Carleton College
Serc: Mn Step: Stoichiometry: Introduction to Stoichiometry
Using the example of a cake recipe, students find the ratios between different ingredients, which introduces the concept of mole ratios. They then calculate the mole ratios in a chemical equation, and learn how this applies to...