Curated OER
Types of Reactions
In this reactions worksheet, students describe combustion as either exothermal or endothermal. Students balance reactions and label the types of reactions. This worksheet has 1 multiple choice, 2 short answer, and 10 problem solving...
Curated OER
Iron Filings
Students conduct an experiment in which a solution of copper(II) sulfate is added to iron filings. They write and balance the equation for the reaction that occurs and calculate the amount of iron that reacted and the percent yield of...
Curated OER
Chemical Equations
In this chemical equations worksheet, students write the symbols for the products and reactants and then write balanced symbol equations for the 20 chemical reactions given.
Curated OER
Practice Balancing Equations 1
In this balancing equations worksheet, students place the proper coefficients in front of products and reactants to balance equations. They also indicate which equations are not balanced properly.
Curated OER
WS 4.1 Balancing Equations/Formula Weight
In this balancing instructional activity, students determine if equations are balanced, they place the proper coefficients in front of products and reactants to balance equations and they find the formula mass for molecules and compounds.
Curated OER
Word Equation Questions
In this chemical equations worksheet, students are given 37 word equations and they complete each by filling in the product or reactant that is missing using words.
Curated OER
Yeast Fermentation
Students measure the temperature change involved in the production of carbon dioxide by yeast. They also identify products and reactants in a chemical and balance the equation.
Curated OER
Chemical Reactions Homework Problem Set
For this chemical reactions practice worksheet, students balance 6 equations and give the name of the reactants and the products. In addition, students balance 3 equations and determine the molecular formula and the molecular weight of...
Curated OER
Chemical Equations
In this chemical equations worksheet, learners are given the trends for the reactions between the alkaline earth metals with water, the solubility of the Group II hydroxides and the solubility of the Group II sulphates.
Curated OER
Food or Fuel?
High schoolers 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,...
Curated OER
Activity #13 Changing The Look of Sugar
Students observe what happens when sugar is dissolved in water and when it is heated. They weigh the products after each of the two experiments on a balance scale. Pupils distinguish between physical and chemical changes. Students are...
Curated OER
Enthalpy and Entropy
An entertaining presentation introduces both enthalpy and entropy. It explains equilibrium as the balance between these two measures and provides simple diagrams and graphics for additional clarity.
Curated OER
Chemistry 1A Review
In this Chemistry 1A worksheet, students review, molecular weight, solubility, endothermic reactions, and number of protons, neutrons, and electrons for elements. Students review Lewis Structures and how to predict the amount of product...
Curated OER
Equilibrium Worksheet
In this chemistry worksheet, students complete 10 problems on equilibrium. They calculate equilibrium constants and concentration of products and reactants.
Curated OER
Molar Ratio
Students conduct an experiment in which they react sodium bicarbonate with hydrochloric acid to determine the molar ration between the two reactants. Students must write correct formula and a balanced chemical equation and explain how...
Curated OER
Micro-Reaction Lab: Double Replacement
Students demonstrate reactions that occur between two aqueous solutions. The driving force of the reaction is the formation of an insoluble product. They have to follow a series of directions and then record their observations and data...
Curated OER
A Solution for Precipitation
Students predict the product of chemical reaction using the solubility rules. In this chemistry lesson, students balance ionic equation. They perform a lab to check if their predicted products are correct.
Curated OER
Uranium On a Diet
Students examine how nuclear reactions differ from other chemical reactions they have studied. They add up atomic masses of both the product and reactant side of an example of uranium decomposition, demonstrating mass loss involved.
Curated OER
Mixtures, Percentage and Equation Stoichiometry
For this chemistry worksheet, students answer 2 problems on solution stoichiometry. They calculate the mass of products formed given a certain amount of reactant.
Curated OER
Chemical Stoichiometry Problems
In this stoichiometry worksheet, learners calculate theoretical yield and percent yield. This worksheet has 2 problems to solve.
Pingry School
Chemical Equilibrium
We know about the light spectrum, the age spectrum, and sound spectrum, but do chemical reactions also occur on a spectrum? Young scientists experiment with partial reactions on a spectrum and observe the color changes. Then, they...
National Institute of Open Schooling
Chemical Equilibrium
Le Chatelier's interest in thermodynamics and building materials such as cement and plaster led to the Le Chatelier Principle in 1884. Activity 13 in a series of 36 extensively explores chemical equilibrium. Learners read about...
Santa Monica College
Chemical Equilibrium and Le Chatelier’s Principle
Henri-Louis Le Chatelier wrote many papers throughout his 85-year life, but he is remembered for one of his earliest discoveries, now known as Le Chatelier's Principle. The final lesson in an 11-part series encourages young chemists to...
Science Geek
Stoichiometry
Watch your class react when you tell them they're going to study stoichiometry! The lesson demonstrates four examples. Scholars must write and balance the chemical equation and then make the conversion to find the correct mass or volume....