Chemistry Collective
Virtual Lab: Determining the Heat of Reaction in Aqueous Solution
It's gettin' hot in here! An investigative activity has learners measure the heat of reaction in a virtual setting. After exploring the reaction, they attempt to create a solution at an exact temperature.
Pingry School
Heat of Reaction and Hess's Law
Melting and burning might seem like opposites, but both exist as common examples of exothermic reactions. Scholars work with three different exothermic chemical reactions to determine the enthalpy changes. They measure and mix chemicals,...
Curated OER
Energy Changes, Rates of Reactions, Nuclear Chemistry
In this energy changes, rates of reactions and nuclear chemistry activity, students solve 14 problems to review concepts about endothermic and exothermic reactions, heat of combustion, heat of reactions, enthalpy, kinetic and potential...
Curated OER
WS Heat of Reaction
In this heat of reaction learning exercise, students use standard enthalpies of formation in order to determine the heat of reaction for 4 different chemical reactions.
Rochester Institute of Technology
Chemical Reactions and Electricity
After a discussion of chemical reactions and electricity, scholars break into groups and follow a scripted activity to discover if fruit can power a clock. After a concluding discussion, the class a presented with a challenge.
Curated OER
Worksheet Heat of Reaction (Bond Energies)
In this bond energies activity, students analyze bond enthalpy data in order to estimate the change in heat, in kilojoules, of three different chemical reactions.
Curated OER
Estimating Heat Changes during Reactions Using Bond Energies
For advanced chemists, this learning exercise examines heat change during chemcial reactions. Alkanes are examined first. Learners calculate the energy released or needed during a reaction.
Curated OER
Specific Heat Problems
In this specific heat worksheet, students solve 4 problems for either the specific heat of the substance, the amount of heat needed to raise the temperature of a substance a particular number of degrees or the amount of heat released in...
Curated OER
AP Chemistry Thermochemistry 2
In this thermochemistry worksheet, students solve a variety of problems including finding heats or reactions, determining specific heats of substances, finding the amount of energy released in a calorimeter determining the final...
Rochester Institute of Technology
Molecules and Fuel Cell Technology
A fuel cell is where the jailer keeps gas guzzlers. Scholars review chemical reactions, chemical bonds, and chemical structure in order to apply these concepts. Participants construct fuel cell kits, using electrolysis to run the car and...
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
4-H Advanced Food Science Activity Pages
In this 4-H food science worksheet, learners examine how food works in the body, find out about food preservation methods, and investigate careers in the food industry. They complete a word search, practice food photography, answer true...
Curated OER
Stoichiometry
In this stoichiometry worksheet, students solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting reagents and...
Curated OER
Alpha Substitution and Aldol Reactions
In this alpha substitution and aldol reactions worksheet, students complete 23 reactions by writing the structural formulas for the products. If no reaction occurs, they write N. R.
National Institute of Open Schooling
Spontaneity of Chemical Reactions
Do spontaneous reactions really occur? Activity 12 in a series of 36 focuses on spontaneity of chemical reactions. Learners read about, discuss, and answer questions pertaining to entropy, explain the third law of thermodynamics, explore...
Curated OER
Role of Energy in Reactions
In this energy learning exercise, students determine the enthalpy of exothermic and endothermic reactions. This learning exercise has 1 fill in the blank and 4 short answer questions.
CK-12 Foundation
Hotpack - Coldpack
Chemistry can help athletes and others protect and treat injuries. Use the interactive activity to explore the chemical reactions in instant hot and coldpacks. Learners manipulate the type of salt in the pack and watch the reaction take...
Curated OER
Heat of Reaction
In this reactions learning exercise, students define enthalpy, heat of formation, and Hess's Law. Students determine how many kilojoules are released during specific reactions. This learning exercise has 6 short answer questions and 11...
Curated OER
Candy Reaction
In this triboluminescence worksheet, students use wint-o-green Lifesavers to observe a chemical reaction that gives off light. They break a lifesaver up with a hammer and make observations and they chew a lifesaver and make observations....
Curated OER
What is a Chemical Reaction?-Evidence of Change
In this chemical reactions activity, students experiment with hydrochloric acid and copper (I) chloride to identify the types of reactions they undergo with various other substances. They also observe the law of conservation of mass and...
CPO Science
Physics Skill and Practice Worksheets
Stop wasting energy searching for physics resources, this comprehensive collection of worksheets has you covered. Starting with introductions to the scientific method, dimensional analysis, and graphing data, these skills practice...
Curated OER
Hess' Law Data Sheet
In this Hess' Law worksheet, students write their data and calculations from the lab they performed on Hess's Law. They calculate the heat of reactions per mole of substances used and calculate the theoretical heat of reaction and...
Curated OER
Classifying Chemical Reactions
In this chemical reactions worksheet, students follow a flow chart to determine what type of reaction is occurring. Students then classify reactions and balance the equations. This worksheet has 2 short answer and 10 fill in the blank.
Curated OER
Writing "Thermochemical" Equations
In this thermochemical equations worksheet, students read about and practice writing equations for thermochemical reactions. They also sketch enthalpy diagrams of the equations if applicable.