Curated OER
Simple Calorimetry to Find the Enthalpy of Combustion of Alcohols
Accomplished chemistry learners set up a calorimeter and measure the energy released by various alcohols: methanol, ethanol, and either propanol or butanol. Lab masters will first need to design their own tables for recording data....
American Chemical Society
Preparation and Combustion of Biodiesel
The United States is the world's largest producer of biofuel. During an in-class investigation, young scientists produce their own biodiesel. They burn a sample of it to determine the heat of combustion. Then they discuss the results...
Curated OER
Combustion of Alcohols
In this combustion worksheet, students use a table showing the amount of heat released when different alcohols burn to complete 2 problems. Students create 2 graphs plotting the energy release against the number of carbon atoms.
Curated OER
Energy and Stoichiometry
In this stoichiometry worksheet, students calculate the amount of heat energy released in combustion equations. This worksheet has 4 problems to solve.
Curated OER
Solving Practical Problems with Heats of Combustion
In this combustion worksheet, students calculate kJ obtained from combustion or the kJ used to fuel a car. Students use the heat of combustion of sugar and fat to determine the energy needed by the body. This worksheet has 1 short answer...
Curated OER
2000 U.S. National Chemistry Olympiad National Exam - Part I
The National Chemistry Olympiad exams are comprehensive tests covering an entire year of chemistry concepts. You can use them as practice for competing in the challenge, or simply as a review, or as an actual final exam for your general...
Curated OER
Combustion or Lack of Oxygen
Fourth graders experiment and see the combustion of ethanol, then write a report about why ethanol didn't ignite a second time.
Curated OER
Organic Chemistry-Understanding Organic Reactions
In this organic reactions worksheet, students are given descriptions of the seven types of reaction of organic compounds. They then answer six questions about these reactions.
Curated OER
Chapter 7 Worksheet-Types of Equations
In this equations activity, students write equations and classify them as single displacement, double displacement, combustion, combination or decomposition reactions. They also write sample equations of each type of reaction and answer...
Curated OER
Food or Fuel?
Pupils describe the process of transesterification utilizing chemical formulas. They construct and compare models of chemical structure of the substances involved in biodiesel production such as: alcohols, alkenes, alkanes, alkyls,...
Cornell University
Predicting Chemical Reactions
Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows individuals...
Curated OER
Hot Food
Students compare and contrast photosynthesis and chemosynthesis as processes that provide energy to biological communities. They investigate the energy content of hydrocarbons used in coral communities.
Curated OER
WS 4.7 Writing Chemical Reactions
In this chemical reactions worksheet, students are given fourteen chemical reactions that they must write using chemical formulas for the reactants and products. They balance each equation by placing the proper coefficients in front of...
Curated OER
Advanced Critical Reading: Ethanol
In this advanced critical reading worksheet, students read a passage about ethanol then answer questions. Students make inferences, determine author's purpose and use context clues to find the meaning of unknown words in the passage.
Curated OER
Phases of Matter and Thermochemistry
In this theromochemistry worksheet, students review the kinetic theory of gases and the three phases of a substance. Students calculate how much heat is required to raise a certain mass of solution a certain number of degrees. This...
Curated OER
Heat of Reaction
In this reactions worksheet, students define enthalpy, heat of formation, and Hess's Law. Students determine how many kilojoules are released during specific reactions. This worksheet has 6 short answer questions and 11 problems to solve.