This in-depth organic chemistry lab walks learners through an investigation of the effect of initiator concentration on the resulting molecular weight of polystyrene. It is important that you use this lesson with experienced chemistry...

Nitrogen is an essential element for productive farming. An interactive lesson explores the chemical makeup of different fertilizers and their corresponding nitrogen content. The interactive challenges individuals to complete molecular...

Knowing what farmers are feeding livestock is just smart business. A WebQuest lesson helps learners build an understanding of the relationship between amino acids, nitrogen, and protein. With interactive instruction, scholars practice...

Molar mass, gram molecular mass, and gram formula mass essentially mean the same thing. The brief video, part of the Socratica "Chemistry Lessons" playlist, explains how to solve these problems. It walks through the required tools, the...

Does molecular mass affect the rate of diffusion? The simulation allows scholars to experiment with diffusion while varying the molecular mass and temperature. The timer automatically stops when a certain point is reached, making it easy...

Investigate the calculation of molecular masses resulting from electrolysis of compounds. A video instructor gives a thorough explanation of mass calculations in relation to an electrolysis redox reaction. The video shows the formula,...

Explore the mathematical relationship between a solvent and solute. Learners use technology to measure the cooling patterns of a solvent with varying concentrations of solute. Through an analysis of the data, pupils realize that the rate...

Moles are so important to chemistry that Michael Offutt composed an entire musical album titled Molennium about them. The video walks through how to use moles to solve a couple of different equations. It explains each step and when you...

When does 2+1=2? When calculating in moles, you sometimes have calculations that appear to defy basic math. The 13th video of 29 explains the pairing and combining of molecules and how to calculate their molecular masses. It also details...

Viewers of this short video learn how atom economy is calculate, why the information is important, and when people in the industry use the calculations.

Did you know that body armor actually contains uranium? Learn about how isotopes of the same element have different masses and unique physical properties.

Relative molecular masses sure have a lot of decimal places! Watch the video to learn how the number of particles in one mole of carbon-12 determines relative atomic and molecular masses. Viewers also learn how to calculate the atomic...

Only three slides comprise this collection. The first defines molecular weight and molar mass. The second lists the molar mass and number of particles in a mole of several substances. The third is a chart depicting a chemical reaction...

Public health trainees read and write a summary of the article, "A Whiff of Danger". The article is not available through the link, but can be found on the National Center for Biotechnology Information website. After summarizing,...

In this gas laws worksheet, students apply Graham's Law by completing 6 problems finding the velocity and molecular mass of gases.

Prepare your chemistry charges for stoichiometry with this PowerPoint. The objective is to be able to calculate molar mass for different compounds. Beginning with the foundational definition of moles and moving through atomic and...

Radioactive decay, pH, properties of elements, organic compounds, and stoichiometry are all touched upon through this practice chemistry exam. It always helps learners to take a practice test in preparation for the actual exam. This...

In this chemistry worksheet, young scholars write two forms of the ideal gas law. Then they identify the size and units of the ideal gas law. Students also solve the equations for each ideal gas law.

In this moles, molecules and molecular mass worksheet, students solve 18 problems where they find the number of moles in a gas, they calculate the number of molecules in a sample of gas or they find the volume of gas in a sample given...

In this molecular mass and percent composition worksheet, students complete 5 sections where they determine atomic masses of given elements, they determine formula masses for given molecules, they find the molecular mass of 12 molecules...

Students investigate diffusion using different solutions of chemicals placed in agar dishes. For this diffusion lesson plan, students observe 3 demonstrations of diffusion using perfume, food coloring in water and sugar cubes in water....

In this molecular mass and percent composition worksheet, students find the molecular mass of 10 compounds to three decimal places. They also find the percent composition of 7 compounds and express their answers to two decimal places.

In this molecules, moles and molar masses worksheet, students find the atomic masses of 8 elements, they write the formulas for 6 diagrams of molecules and they find the molecular masses of 12 compounds. Students also find the fraction...