National Institute of Open Schooling
Ionic Equilibrium
Scientific studies show the older we get, the more acidic we become. The activity extensively teaches high schoolers about acids and bases. By the end of the 14th installment of 36, they can define and explain three concepts of...
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...
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2001 U.S. National Chemistry Olympiad National Exam Part II
Only eight problems are on this competitive national chemistry exam. It required the balancing of chemical equations, solving stoichiometry questions, and more. This is part two of three of the national exam. Also available is a local...
Curated OER
Chemical Equilibria and an Introduction to Water Chemistry
In this equilibrium and water chemistry worksheet, students solve twenty problems related to acids and bases, equilibrium and water.
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CHM 152-Acids, Bases and Salts (Chptr. 14)
In this acids, bases and salts worksheet, students answer sixty three questions about ionization, pH, pOH, strong acids and bases, equilibrium and salts. They write formulas for acids and bases, they identify conjugate acids and bases...
Curated OER
Version 001 – Exam 1 – David Laude (53015) 1
A 30-question multiple choice chemistry test challenges takers. Topics touched upon include thermochemistry, equilibrium, behavior of gases, and pH. Problem solving is required in order to answer most of the questions. Other questions...
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2000 U.S. National Chemistry Olympiad Local Section Exam
This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...
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Chemical Equations
In this chemical equations worksheet, students write mass balance equations and charge balance equations. Students write the system of equations to solve for solution concentrations at equilibrium. This worksheet has 21 problems to solve.
LABScI
Enzymes: The Spit Lab
Enzymes in our bodies each have a job to do. Learn the factors that affect the activity of some enzymes using the third activity of an informative 12-part biology series. A three-part laboratory activity asks teams to investigate how...
Curated OER
Chemistry 152 - Competencies
In this chemistry competencies worksheet, learners calculate rate law, balance equations, determine pH of solutions, give the oxidation number for atoms, and write in formulas. This worksheet has 4 fill in the blank questions and 20...
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Acid Base Equilibria
In this acid and base worksheet, students classify compounds as acids or bases and write down its equation. Students calculate pH of chemical compounds. This worksheet has 14 problems to solve.
Curated OER
Acids and Bases
In this acids and bases instructional activity, students review the characteristics of acids and bases and practice writing chemical equations for given reactions. Students also calculate pH of solutions. This instructional activity has...
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Ka and Kb Calculations
In this solutions worksheet, students calculate the pH of given solutions or calculate the Ka or Kb for chemical compounds. This worksheet has 11 problems to solve.
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Titration
In this titration worksheet, students calculate the pH of a solution at different points during a chemical reaction. Students write a balanced net ionic equation for the major equilibrium reaction. This worksheet has 3 problems to solve.
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Chapter Review Topics for Exam 2
In this chemistry chapter review worksheet, students examine their knowledge of equilibrium, Brønsted acid, and pH value as they respond to 25 short answer questions.
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Molar Solubility
In this molar solubility worksheet, students calculate the equilibrium constant when given the molar solubility of a chemical compound and calculate the molar solubility of a compounds at a given equilibrium constant. This worksheet has...
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Basic Chemistry Principles
Students use the basic principles of Chemistry to determine pH levels. Elements of the Periodic Table are also included in this lesson.
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...
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AP Chemistry: Acid-Base Worksheet
In this acid-base learning exercise, students solve multiple problems related to reactions of acids and bases. They determine pH of solutions, they find conjugate acids and bases, they calculate concentrations of acids and bases and they...
LABScI
The Digestive System: Where Does Food Go?
Would you believe that your digestive system stretches to five times your height?! Help your pupils to understand this relationship as they work through the laboratory exercise. The first instructional activity of a 12-part series is a...
Curated OER
Solubility Homework Problem Set
In this chemistry worksheet, students write the balanced equation for the reaction and rearrange the potassium expression to solve for x. Then they determine how many grams of silver chromatic can dissolve in a specified amount of sodium...
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How Genes Work Lesson Plan
Students define the key terms that are the structure and function of DNA. In this genetics lesson students complete a lab activity in which they construct a model DNA structure.