Environmental Chemistry
Environmental chemistry.com: Molar Mass Calculations
Provides a definition for both mole and molar mass and gives a step-by-step example problem to work through that shows how to compute molar mass. Also has a a molar mass calculator in which you can practice problems on.
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...
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Density and Density Calculations: Audio Book
This audio book, narrated by author Mark Bishop, describes how to calculate density. The equation is given. Also find links to animations and tutorials for other sections of the online textbook, "An Introduction to Chemistry".
Environduck
Enviroduck: Math and Chemistry Behind Co2 Per Gallon of Gas Calculations
Learn how CO2 per gallon of gas is calculated using science, math, and chemistry.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Gas Stoichiometry Shortcut
This section of the online book "An Introduction to Chemistry", describes a shortcut that can be used for equation stoichiometry problems that include two gases. An example calculation which shows the shortcut being used is helpful. Also...
CK-12 Foundation
Ck 12: Hess's Law and Standard Enthalpy of Formation
[Free Registration/Login may be required to access all resource tools.] Students will use Hess's law of heat summation to add chemical reactions together to produce a desired final equation, and then calculate the enthalpy change for...
CK-12 Foundation
Ck 12: Heat and Changes of State
[Free Registration/Login may be required to access all resource tools.] Students explore the enthalpy changes that occur as substances change between states, and then calculate the enthalpy change involved in the change of state.
CK-12 Foundation
Ck 12: Chemistry Simulation: Neon Lights
[Free Registration/Login Required] Neon lights are a type of discharge tube. Observe how electrons create colored light in a hydrogen gas discharge tube. Can you figure out why hydrogen's emission spectrum contains more than one color of...
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: Chemistry Simulation: Battery
[Free Registration/Login Required] Explore how batteries use redox reactions to create electrical energy to power a flashlight.
CK-12 Foundation
Ck 12: Chemistry Simulation: Average Atomic Mass
[Free Registration/Login Required] Students explore how percent abundances of different isotopes affect the average atomic mass for that given element. Students form connections between the average atomic mass and a person's body mass....
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Chemical Calculations and Equations
This interactive site gives a great overview of equation stoichiometry and conversion between masses of substances. Gives detailed steps to follow for equation stoichiometry and a overall summary of how to do the conversions.
Simon Fraser University
Chem1 Virtual Textbook: Hess' Law and Thermochemical Calculations
With an overview of topics related to chemical energetics, this site provides a foundation to a study of thermodynamics and its relation Hess's law and enthalpies of combustion.
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.
Davidson College
Davidson College: Chemical Equilibria: Uncertainty in Equilibrium Calculations
Discusses and explores the impact of random pressure errors on the equilibrium constant in a chemical reaction. Requires Java.
Carnegie Mellon University
Chem Collective: Stoichiometry Bridge Course
This is a complete course in chemical stoichiometry, set in a scenario that shows how stoichiometry calculations are used in real-world situations. This course has been designed to not only help you strengthen your skills with...
Chemistry Collective
Chem Collective: Stoichiometry Applet
One of the first numerical problems encountered in introductory chemistry is that of "limiting reagents". This applet serves as a supplement to such calculations, providing imagery that helps students see beyond the rote mathematics.
Simon Fraser University
Chem1 Virtual Textbook: Acid Base Equilibria
Learn about acid-base equilibria and calculations in this Chem1 Virtual e-Textbook.
Chemistry Collective
Chem Collective: Glucose Dilution Problem
In this activity, students use the virtual lab to create a 0.025M glucose solution from a standard 1M glucose solution. First, they calculate the correct volumes of 1M glucose solution and water to mix together to create the final 0.025M...
Chemistry Collective
Chem Collective: Acid Dilution Problem
In this activity, students use the virtual lab to create 500mL of 3M HCl solution from a concentrated stock solution of 11.6M HCl. They must first calculate the correct volumes of 11.6M HCl solution and water to mix together to create...
Chemistry Collective
Chem Collective: Cola and Sucrose Concentration Problem
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...
Chemistry Collective
Chem Collective: Making Stock Solutions From Solids
In this activity, students use the virtual lab to create stock solutions starting from solid salts. Students must first calculate the correct amount of solid to make the solution. Next, they prepare the solution using the appropriate...
Other
New Mexico State University: Chemical Equilibrium
A one page tutorial which teaches the viewer how to predict and write equilibrium expressions and use them to calculate equilibrium concentrations. Discusses Le Chatelier's Principle.
Texas Instruments
Texas Instruments: Conductimetric Titration & Gravimetric Determination
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...