Curated OER
Chemistry Quiz 4-Redox Reactions
In this oxidation/ reduction activity, students solve eight multiple choice problems related to redox reactions. They determine half reactions, they calculate standard cell potentials, they identifying oxidizing and reducing agents and...
Kenan Fellows
Determining the Atomic Mass of Elements in a Compound Using Matrices
Scholars apply concepts learned in both Algebra II and Chemistry to answer the questions on the provided worksheet. The activity allows for extra practice in both classes and helps connect concepts usually taught in isolation. The...
T. Trimpe
Atomic Basics
Get down to basics with these worksheets on the structure of atoms. Challenging young chemists to identify information from the periodic table and create Bohr diagrams and Lewis dot structures for different elements, this...
Kenan Fellows
Balancing Equations Using Matrices
Matrices help solve systems of equations in chemistry, computer graphics, circuitry, probability, and more. The second lesson in a seven-part series focuses on using matrices to balance chemical equations. Pupils rely on the Law of...
Teach Engineering
Efficiency of a Water Heating System
Tired of waiting for hot water? Groups of three determine the efficiency of an electric water-heating device. They calculate the amount of energy it takes to heat the water and the theoretical amount of energy required to heat the water....
National Institute of Open Schooling
Chemical Arithmetics
Substances with the same empirical and molecular formula must be differentiated by their structural formula. Part two in a series of 36 has pupils using chemical formulas to calculate how much of a compound is present in a given...
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...
Curated OER
Determination of Equivalent Weight of an Acid
For this chemistry worksheet, students look for the weight of acid and examine its mass using chemical equations and a laboratory procedure.
Curated OER
Chem II - Exam III Warm-Up
In this chemistry worksheet, learners take an exam that presents the concept of maintaining the ph balance. This can become a formal assessment.
Creative Chemistry
Simple Calorimetry to Find the Enthalpy of Combustion of Alcohols
Accomplished chemistry learners set up a calorimeter and measured the energy released by various alcohols: methanol, ethanol, and either propanol or butanol. Lab masters will first need to design their tables for recording data. Consider...
Creative Chemistry
Finding the % of Fe2+ in Fe(NH4)2(SO4)2.xH2O and the value of x
Step-by-step procedures are outlined in the learning exercise and calculations for junior chemists to perform in their science journals. This laboratory exercise is intended for experienced chemistry learners.
Creative Chemistry
What is the Percentage of Copper in "Copper" Coins?
Whether in the UK or the US, the mass of the copper in a copper alloy penny can be determined. If you are in the US, note that on the lab sheet, a penny is identified as a "1p piece." The penny is dissolved by young chemists in nitric...
Curated OER
Disposable Diaper Comparison and Mystery Powder Identification
Students investigate which diaper is the most absorbent. In this chemistry instructional activity, students calculate how much water is absorbed by diapers. They identify an unknown powder based on physical and chemical properties.
Curated OER
Kinetics Practice I key
In this kinetics worksheet, students solve six problems mostly about reaction rates. Included is a problem where students calculate reaction rates of sucrose and water and plot the data of the reaction.
Curated OER
Chemistry First Marking Period Review
In this chemistry review worksheet, students review terms and concepts covered. Students practice metric conversions, factor labeling, temperature conversions, heat calculations, atomic structure, and gas laws. This worksheet has 3...
Curated OER
Chemical Calculations
In this chemical calculations worksheet, students fill in 7 blanks with appropriate terms. They determine if 7 statements are true or false, they match 5 conversion problems to their solutions and they solve 2 stoichiometry problems...
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...
Curated OER
Chemistry 130
In this chemical compounds learning exercise, students calculate moles, molar concentration, and volume of given compounds. Students balance equations, give the formula and charge of polyatomic ions, and draw Lewis electron dot...
Curated OER
Chemistry 151 - Final Review
In this chemistry review worksheet, students give atomic symbols for given atoms, calculate moles, determine empirical formulas, and balance chemical equations. This worksheet has 1 drawing, 9 fill in the blank, and 12 word problems.
Curated OER
Honors Chemistry I
In this honor chemistry I worksheet, students use all available resources to answer each question given. Students apply their knowledge of light, quantum theory of light, Bohr's model, photoelectric theory.
Curated OER
Atomic Mass, Formula Mass and Percentage Composition Calculations
In this elements worksheet, learners calculate the relative formula mass and percentage composition calculations for given elements. This worksheet has 16 problems to solve.
Creative Chemistry
Titration Calculations
In this titration learning exercise, students calculate the moles of acids in a given amount of solution, balance equations, and calculate the concentrations of given acids. There are 10 problems to solve.
Curated OER
Boiling Point Elevation Problems
A table of the ebullioscopic constants for several compounds is found at the top of the worksheet. Using these constants, boiling point elevation can be calculated for the combinations of compounds. This worksheet has the answers along...
Curated OER
Cents-ible Chemistry-Analysis of the Metal in a Penny
Students determine the base metals and surface metals in a penny. In this analysis of metals lesson plan, students determine the density of five pennies minted in different years. They use different chemicals such as hydrochloric acid,...