Royal Society of Chemistry
Concentration of Solutions 1
Need a fun solution to teaching ... solutions? A series of puzzles provides reinforcement to key molarity terms and calculations. Science scholars determine the concentration of several solutions before using the information to solve...
Royal Society of Chemistry
Mass Concentration of Solutions
Ready to teach your class about molar mass and solution concentration? Make time for an interactive resource that will challenge their reasoning and problem-solving skills. Science scholars calculate the molarity of several solutions...
College Board
2017 AP® Chemistry Free-Response Questions
More than 83,000 scholars earned college credit, thus saving time and money by passing the AP Chemistry exam in 2017. Use the exact test questions covering concepts from activation energy to solubility to prepare for the upcoming...
College Board
2016 AP® Physics 2: Algebra-Based Free-Response Questions
While AP Physics 1 counts as an introductory college Physics course, AP Physics 2 counts as a second-year college Physics course. Help scholars prepare for this more advanced college-level test with questions from previous assessments...
Curated OER
Chemical Stoichiometry Problems
In this stoichiometry activity, students calculate theoretical yield and percent yield. This activity has 2 problems to solve.
Curated OER
Volumetric Analysis 3-To Determine the Relative Molecular Mass of a Soluble Base
In this volumetric analysis instructional activity, students determine the relative molecular mass of an unknown group 1 carbonate by experimenting with a known amount of hydrochloric acid. Students use volumetric analysis to determine...
Curated OER
Volumetric Analysis 2- To Standardize Hydrochloric Acid
In this volumetric analysis worksheet, students use a standard solution they made of sodium carbonate to find the concentration of a hydrochloric acid solution by titration. Students calculate the number of moles of sodium carbonate they...
Curated OER
Working with Solutions
In this solutions worksheet, students review how molarity is calculated and how to prepare a dilute solution. This worksheet has 5 problems to solve.
Curated OER
Units in Thermochemical Calculations
Students study how to complete thermochemical equations. In this equation lesson students learn how to manipulate equations to calculate energy changes and reactions.
Curated OER
First Ionisation Energies in Group II and Period 3
In this ionisation worksheet, students complete 2 graphic organizers by filling in the proton number for given elements. Then students create 2 graphs plotting first ionisation energy against the proton number.
Curated OER
I Have the Solution!
Students explain how to make solutions with specific concentration. In this chemistry lesson, students differentiate acids and bases. They calculate molarity of solutions.
Curated OER
Fertilizers, Pesticides and Human Health
Students define several vocabulary terms related to chemicals and toxicology. Students calculate chemical concentrations in water and explain the toxicological principles that govern safety of substances. Students conduct an...
Curated OER
Everything You Ever Wanted to Know About Stoichiometry
In this chemistry instructional activity, learners identify the process of Stoichiometry and use it to calculate various chemical reactions similar to that of a recipe. In addition, they identify a connection between isoamyl alcohol and...
Curated OER
Molarity Worksheet
For this molarity worksheet, students fill in unknowns such as mass of solute, moles of solute, volume of solution and molarity of solution in a chart with given solvents. They also calculate the molarity of solutions in other problems.
Curated OER
Review of Gases
In this gas laws review worksheet, students solve pressure, temperature and moles of gases to answer 50 multiple choice questions.
Curated OER
Don't Marry the Mole!
Third graders examine the power of solar energy. In groups, they create their own pizza box solar oven to discover the power of the sun and how it is a source for heat and light. To end the lesson, they use the internet to examine...
Curated OER
The Ideal Gas Equation
In this chemistry activity, students use the Ideal Gas Equation site by clicking on the New Question button and responding to the question that is presented in the box. From there they determine the value of their answer and enter it...
Curated OER
The Enthalpy of Chemical Change
In this chemical change worksheet, learners review enthalpy and use Hess's law to calculate enthalpy and the heat of reaction for given reactions. This worksheet has 3 problems to solve.
Curated OER
Stoichiometry
In this stoichiometry activity, students determine the molar ratio for chemical equations. Students calculate moles and grams for reactions. This activity has 10 problems to solve.
Curated OER
Redox Titration Problems Involving Manganate
In this titration worksheet, students determine the number of moles of an ion present in given solutions. Students calculate the relative formula mass and the concentrations of ions for solutions. This worksheet has 7 problems to solve.
Curated OER
Stoichiometry
In this stoichiometry learning exercise, students review concepts related to stoichiometry including molar ratio and conservation of matter. Students calculate the number of mole is specific reactions. This learning exercise has 7 fill...
Curated OER
Natural Resources
In this natural resources worksheet, students compare examples of chemical and physical properties, balance equations, and calculate molar mass and moles. This worksheet has 12 problems to solve and 12 short answer questions.
Curated OER
Ammonium Nitrate- Stoichiometry
Students quantify the relationship between moles and mass. They comprehend that ammonium nitrate is used as a fertilizer and an explosive. Students study the chemistry of ammonium nitrate and consider the advantages and disadvantages of...
Illustrative Mathematics
How Many Cells Are in the Human Body?
Investigating the large numbers of science is the task in a simple but deep activity. Given a one-sentence problem set-up and some basic assumptions, the class sets off on an open-ended investigation that really gives some context to all...
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