Classroom Resources: Molecules & Bonding
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Law of Definite Proportions, Law of Multiple Proportions, Percent Composition, Molar Mass  High School
Lesson Plan: Exploring the Laws of Definite and Multiple Proportions Mark as Favorite (7 Favorites)
In this lesson, students will review the concept of percent composition and then apply it to the laws of definite and multiple proportions.

Partial Pressure, Gas Laws, Ideal Gas, Pressure, Molar Mass, Measurements, Error Analysis  High School
Lab: Molar Mass of Butane Mark as Favorite (11 Favorites)
In this lab, students will experimentally determine the molar mass of butane using Dalton’s law and the ideal gas law. They will also calculate the percent error and explain possible sources of error.

Partial Pressure, Gas Laws, Ideal Gas, Molar Mass, Pressure, Measurements, Error Analysis  High School
Lab: Determination of the Molar Mass of Butane Mark as Favorite (5 Favorites)
In this lab, students will experimentally determine the molar mass of a gas, specifically butane (C4H10), by collection over water. This experiment is an inquiry based experiment for 2nd year chemistry or AP chemistry students who have previously collected an insoluble gas.

Mole Concept, Dimensional Analysis, Molar Mass, Molecular Formula  High School
Activity: Calculating Moles in Daily Life Mark as Favorite (139 Favorites)
In this activity, students will use dimensional analysis to complete calculations and conversions for the number of moles, atoms, and molecules in several everyday household items using collected data.

Dimensional Analysis, Mole Concept, Measurements, Density, Identifying an Unknown, Molar Mass  High School
Lab: Chemistry Composition Challenge Mark as Favorite (111 Favorites)
In this inquiry based lab, students will design a method to solve three chemistry problems involving moles, molecules, and density.

Mole Concept, Dimensional Analysis, Measurements, Molar Mass  High School
Lab: It's Mole Time! Mark as Favorite (139 Favorites)
In this lab, students determine the number of moles of chalk used to write their name, the moles of sucrose ingested while chewing gum, and the moles of alcohol evaporated when using hand sanitizer.

Limiting Reactant, Stoichiometry, Balancing Equations, Mole Concept, Dimensional Analysis, Molar Mass  High School
Activity: Sweet Stoichiometry Reactions Mark as Favorite (58 Favorites)
In this activity, students will use candy to investigate stoichiometry and molegram relationships in chemical equations, but could also be used to introduce the concept of limiting reactants.

Intermolecular Forces, Boiling Point, Heat of Vaporization , Molar Mass, Polarity, Intermolecular Forces  High School
Lab: Heat of Vaporization Mark as Favorite (8 Favorites)
In this lab, students test whether a substance’s heat of vaporization is determined by its molar mass, the strength of its intermolecular forces, or both.

Molecular Formula, Naming Compounds, Ionic Bonding, Covalent Bonding, Molar Mass  High School
Activity: Formula Card Game Mark as Favorite (43 Favorites)
In this activity, students play a card game to practice creating chemical formulas.

Mole Concept, Significant Figures, Dimensional Analysis, Measurements, Scientific Notation, Molar Mass, Molecular Formula  High School
Activity: Can You Color A Mole? Mark as Favorite (83 Favorites)
In this activity, students determine how many moles of paraffin are used when they color a piece of paper as well as how many molecules and moles of wax are in one crayon.

Mole Concept, Measurements, Dimensional Analysis, Molar Mass  High School
Lab: Calculating Moles Mark as Favorite (65 Favorites)
In this lab, students will have the opportunity to practice conducting the chemist’s way of counting atoms and molecules by using the mole. They will determine the mass of various common elements and compounds and convert this data into values of moles, atoms and molecules. This will allow students to realize the connection between commonly used laboratory chemicals and the quantitative data and calculations that are such a fundamental part of chemistry.

Percent Composition, Identifying an Unknown, Net Ionic Equation, Stoichiometry, Error Analysis, Molar Mass  High School
Lab: Analysis of Carbonate Compounds Mark as Favorite (52 Favorites)
In this lab, students calculate the molar masses of three unknown carbonate compounds by measuring the amount of product (CO2) produced by a reaction with hydrochloric acid.

Molecular Formula, Atomic Mass, Molar Mass  High School
Activity: Molecule Building Tournament Mark as Favorite (12 Favorites)
In this activity, students determine molecular formulas given formula masses and a limited number of atoms.

Gas Laws, Molar Mass, Density, Temperature, Pressure, Volume, Ideal Gas, Physical Change, Observations, Density, Identifying an Unknown, Error Analysis  High School
Lab: Molar Mass of Dry Ice Mark as Favorite (12 Favorites)
In this lab, students will use gas laws to calculate the molar mass of dry ice and then use the information to identify the compound that makes up this substance.