Beyond Benign
Catalysts and Oxygen
Here is an engaging and hands-on lesson plan that allows high school chemists to demonstrate the effects of a catalyst on various chemicals. They garner knowledge of how reactants and products differ from one another, while...
Creative Chemistry
D-Block Ions as Catalysts
In this catalysts worksheet, students use transition metal ions to catalyze oxidation reactions of iodide ions. Students measure the rate of the reactions by measuring free iodine as a product.
Curated OER
2000 U.S. National Chemistry Olympiad Part II
In this chemistry olympiad problem solving worksheet, chemistry pupils solve eight problems on a variety of topics including periodic trends, phase changes, ionization reactions, catalysts and titrations.
Curated OER
Article - "Designer Catalysts"
In this catalyst activity, students define catalyst and enzyme and explain how these work in a chemical reaction. Students calculate molar mass of a compound. This activity has 7 short answer questions and 2 problems to solve.
Curated OER
Acids and Bases
In this acids and bases worksheet, students review the characteristics of acids and bases, pK values, factors that change the rate of reactions, and catalysts. This worksheet has 17 multiple choice questions.
Curated OER
The Speed of Chemistry
In this rates of chemical reactions worksheet, learners read about the various factors that influence the rate of chemical reactions such as surface area, concentration, temperature and catalysts. Students answer eight questions about...
Curated OER
Chemical Equations
In this chemical equations instructional activity, learners review chemical changes, define catalysts and coefficients, and review the five general types of reactions. This instructional activity has 12 fill in the blank and 42 short...
Curated OER
2007 U.S. National Chemistry Olympiad Local Section Exam
Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...
Curated OER
1999 U.S. National Chemistry Olympiad Part II
A variety of topics including reaction rates, combustion reactions, periodic trends, and ionization reactions are included in this exam. Test takers also practice calculating empirical and molecular formulas of compounds.
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
National Institute of Open Schooling
Adsorption and Catalysis
Adsorption, not absorption, is when atoms stick to the surface of an object, like water sticking to a grain of sand. An informative lesson delves into adsorption, teaching physical and chemisorption and the factors that affect them....
Curated OER
Reaction Rate
In this reactions worksheet, students determine which reaction with occur most quickly and explain how a catalyst works. This worksheet has 4 short answer questions.
Curated OER
Equilibrium Problems
In this equilibrium activity, students determine what effect a catalyst has on the rate of a reaction and the activation energy. Students explore how the equilibrium shifts when different stresses are added to a compound. This activity...
Curated OER
Reaction Mechanisms
In this reactions worksheet, students give the equation for the overall reaction, identifying the catalyst in the equation. Students create graphs and write out the rate determining step. This worksheet has 4 graphs, 2 short answers, and...
Curated OER
Rates of Chemical Reactions
Review key terms after your lecture about chemical reactions with this crossword puzzle. Eleven questions prompt students to refer to their textbooks, lecture notes, and prior knowledge. This assignment would be a good homework...
Curated OER
Equilibrium Practice
In this chemical reactions worksheet, students determine solubility product expressions, equilibrium constants, and equilibrium concentrations. This worksheet has 15 multiple choice questions and 3 problems to solve.
Curated OER
Kinetics Review Sheet
In this kinetics worksheet, students define 7 terms related to the energy of reactions, they find the average reaction rate in a reaction, they sketch an energy diagram for an endothermic reaction and they compare exothermic and...
Curated OER
Chemistry in Action
In this chemistry in action worksheet, high schoolers read about sulphuric acid, the use of metals, the production of titanium and the detection of chemical elements and compounds. Students are given 8 statements about what they...
Curated OER
Chemistry Crossword
In this chemical reactions learning exercise, students complete a crossword puzzle by figuring out the vocabulary words associated with 34 clues.
Curated OER
Enzyme Practice Sheet Key
In this enzyme worksheet, students solve 6 problems including questions about how enzymes work, graphs of the relationship between enzyme and substrate and structures of enzymes.
Curated OER
Kinetics
In this kinetics worksheet, students answer a variety of questions. They find reaction rates, determine the order of reactions and they determine rate constants. They calculate the half-life for reactants and they answer questions about...
Curated OER
WS 12.8 More Organic Reactions
In this organic molecules worksheet, learners write structural formulas for products of reactions of alkenes. They also write equations using structural or line formulas for halogenation reactions and hydrohalogenation reactions.
Curated OER
Regents High School Examination PHYSICAL SETTING CHEMISTRY 2006
The 2006 version of the Regents High School Exam is just as thorough as the rest of them! Assess chemistry learners on an entire year's curriculum when they take this thirteen page test.
Curated OER
Le Chatelier's Principle
For this chemical reaction worksheet, students apply Le Chatelier's Principle to explain how the given changes in reaction conditions will affect the position of equilibrium. This worksheet has 6 problems to solve.
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