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...

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...

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...

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...

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 volumetric analysis instructional activity, learners experimented with a known amount of hydrochloric acid to determine the relative molecular mass of an unknown group 1 carbonate. Students use volumetric analysis to determine...

In this moles, molecules and molecular mass worksheet, learners 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...

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...

In this periods, groups, valence electrons and masses instructional activity, students are given information about all these components of the periodic table. Students identify 4 elements in specific periods and groups, they find the...

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

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,...

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...

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...

In this chemical reactions activity, learners name the reactants and products, balance the equation, calculate the molecular weight of the reactants and products, and classify each reaction type. Students fill in a table of solubility...

In this compounds instructional activity, students review the structure and properties of ionic compounds, their formulas and nomenclature, and molecular mass and percentage composition. This instructional activity has 4 short answer...

For this periodic table worksheet, students review atomic mass, molar mass, and percent composition of compounds. Then students complete 4 problems.

In this chemistry overview worksheet, students calculated the volume of different gases and liquids given in a word problem. Students had to calculate the molecular mass and write the empirical formula and the molecular formula.

In this compounds learning exercise, students determine the empirical and molecular formulas for given compounds. This learning exercise has 10 problems to solve.

Building off young chemists' knowledge of the states of matter, kinetic molecular theory is the focus of the unit. Eight days of lessons including multiple demonstrations, one lab experiment, directed instruction, and worksheets,...

In this formulas worksheet, students review how to write compounds in their empirical formula and molecular formula. Then students complete 4 problems.

In this moles worksheet, learners read about mole and learn how to calculate the number of moles in specific mass of compounds. This worksheet has 14 problems to solve.

This PowerPoint is a gem! Seventy-eight slides present an entire introduction to matter in bullet-point fashion. Viewers learn about everything from mass and inertia to phase changes and gas laws! The only glitch is that the links to...

In this gas worksheet, students calculate molar mass and molecular weight of a given mass of gas at a specific temperature and pressure. Students calculate partial pressure of given gases. This worksheet has 6 word problems.

In this chemical solutions worksheet, students determine the molecular weight of a substance, determine the boiling and freezing point of solutions, and determine molarity of a solution. This worksheet has 3 problems to solve.