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Concentration Practice
In this concentration learning exercise, students find the percent volume of a compound in a solution and the molality of a solution. They determine the percent mass of a compound in a solution and they determine the mole fraction of...
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Moles, Moles, Moles
Young scholars investigate moles and measure out a mole by mass and volume. In this mole lesson plan, students observe demonstrations of quantities of substances that measure 1 mole. Young scholars use a solid aluminum block and ruler to...
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Chapter 19 Review, Mixed Review: Oxidation-Reduction Reactions
Here is a short, but well-rounded review of redox reactions. Chemistry apprentices identify the type of reaction, write half-reaction equations, balance equations, and assign oxidation numbers. Being brief, this would make a purposeful...
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Solutions
In this solutions worksheet, students calculate molality and mole fraction. Students define colligative property and determine what affects the solubility of gas in solvents. This worksheet has 2 short answer questions and 9 problems to...
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Concentration Practice
In this concentration worksheet, students determine the molality, mole fraction, and the percent by mass for the given solution. This worksheet has five problems to solve.
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Moles, Molarity, Grams, and Formula Units
In this atoms worksheet, students calculate the number of moles, molarity, grams, or formula units for 20 different problems.
Chemistry Collective
Virtual Lab: Cola and Sucrose Concentration Problem
Recreate the secret Coca-Cola formula in a virtual lab. Young scholars create the solution and then calculate sucrose concentrations in terms of percent mass, molarity, molality, and mole fraction. Then using density, learners...
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Partial Pressure and the Kinetic Molecular Theory of Gases
In this pressure and kinetic theory activity, students review Dalton's Law of Partial Pressure, the Kinetic Molecular Theory of Gases, and Graham's Law of Effusion. Students then solve 5 problems using these equations.
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Chemistry Quiz 4-Redox Reactions
In this oxidation/ reduction learning exercise, students solve eight multiple choice problems related to redox reactions. They determine half reactions, they calculate standard cell potentials, they identifying oxidizing and reducing...
Creative Chemistry
Finding the Percent of Iron in Lawnsand
For this percent of iron in lawnsand worksheet, learners perform a titration of lawnsand using potassium manganate(VII) solution and determine the number of moles of iron in the sample. Students use the number of moles to find the mass...
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Molecules, Moles and Molar Masses
In this molecules, moles and molar masses worksheet, students find the atomic masses of 8 elements, they write the formulas for 6 diagrams of molecules and they find the molecular masses of 12 compounds. Students also find the fraction...
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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...
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A Solution for Moles
Students calculate the concentration of different solutions. For this chemistry lesson, students explain what a solution is. They explain ways to change the concentration of a solution.
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M&M Science and Math
A series of math and science activities feature M&M's® as manipulatives to help kids work through equations. The resource includes exercises on finding averages, percent of compositions, moles in chemical reactions, genotypes and...
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Teaching Avogadro's Number
Students design an experiment to determine Avogadro's number. Students utilize an ammeter, an electrolytic cell and internet research.
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The Energy Debate - Stoichiometry
Students determine crude oil can be separated into useful fractions by a process of fractional distillation. They write a balanced equation for the reaction between a hydrocarbon and oxygen.
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I Have the Solution!
Students explain how to make solutions with specific concentration. In this chemistry lesson, students differentiate acids and bases. They calculate molarity of solutions.
Illustrative Mathematics
How Many Cells Are in the Human Body?
Investigating the large numbers of science is the task in a simple but deep activity. Given a one-sentence problem set-up and some basic assumptions, the class sets off on an open-ended investigation that really gives some...
Creative Chemistry
Some Redox Titration Problems Involving Manganate (VII)
In this titration learning exercise, students determine the number of moles of an ion present in given solutions. Students calculate the relative formula mass and the concentrations of ions for solutions. This learning exercise has seven...
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Determination of An Acid Dissociation
For this chemistry worksheet, students examine the given concept in order to apply in the laboratory setting. The sheet includes in depth background information.
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Practice Sheet: Colligative Properties
In this colligative properties worksheet, learners solve eight problems. They calculate molarity, molality and grams of substances in addition to using colligative properties to calculate solutions.
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.
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Electrochemistry Test Review
This review sheet will be very useful to test your pupils' understanding of battery structure and redox reactions. The questions ask for equations to be balanced and for the traditional equipment setups to be drawn and labeled....
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Determining the Molar Mass of a Gas
Students determine the molar mass of a gas. In this molar mass of a gas lesson plan, students use the vapor density of an organic solvent to determine its molar mass. They vaporize the solvent and collect the vapor. Once it is cooled...