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Curated OER
Chemistry Practice
In this chemistry overview worksheet, students calculated the volume of different gases and liquids given in a word problem. Students had to calculate the molecular mass and write the empirical formula and the molecular formula.
Curated OER
Empirical Formulas
Students investigate empirical formulas for molecules. In this empirical formulas lesson plan, students use paper ions to form formulas and they show these are empirical formulas. They use ions of carbon and hydrogen showing electron...
Chymist
Empirical Formula of a Compound
Because of the work of John Dalton, we are able to write formulas for compounds. The hands-on experiment has scholars prepare a compound from its elements. Using mass data, individuals write the empirical formula for the compound.
Curated OER
Worksheet 2-2 Stoichiometric Tools
In this stoichiometry worksheet, students solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent mass of...
Curated OER
Moles
In this moles worksheet, students review solubility, moles of solute, molar mass, and colligative properties. This worksheet has 10multiple choice questions and 11 problems to solve.
Virginia Department of Education
Finding the Formula and Percent Composition
Do you have mole problems? If so, call Avogadro at 602-2140. The lesson starts with pupils working independently to solve for molar mass of ionic compounds. Then they learn to solve for percent composition and later perform an...
Curated OER
Behavior and Properties of Gases
Students convert Celsius to Kelvin temperature. Students conduct three lab experiments, gas law simulations using Internet applets, lectures and demonstrations. The Laws included are Boyle's, Charles, Combined Gas, Ideal Gas, and Gram's...
Curated OER
WS 5.5 Percent Composition
In this percent composition worksheet, students find the percentages of atoms in compounds and they determine empirical formulas given the percent of each atom in a compound.
Curated OER
A Whiff of Danger
Public health trainees read and write a summary of the article, "A Whiff of Danger". The article is not available through the link, but can be found on the National Center for Biotechnology Information website. After summarizing,...
Curated OER
Mole Conversions
In this compounds worksheet, students determine the number of molecules in molar mass for given amounts of different compounds. This worksheet has 5 problems to solve.
Curated OER
Formula Units
In this chemistry worksheet, students examine the concepts of mole and molarity in order to apply in the laboratory setting. The sheet includes in depth background information.
Curated OER
Stoichiometry
Students research chemical formulas and balance chemical equations. For this chemical equations lesson students complete a class activity on chemical equations and answer questions.
Curated OER
How can we calculate the molecular weight of butane?
Young scholars colloborate in a lab experiment. No OBJECTIVES.
Curated OER
The Mole
Students investigate moles and Avogadro's hypothesis. In this moles lesson plan, students complete a worksheet by finding the volume of 1 mole of each substance given its density and they find the number of molecules, the formula, the...
Curated OER
Earth and Beyond
In this earth and beyond worksheet, students answer short answer questions about the atmosphere, the chemical compounds in Earth's atmosphere. Students visit different websites to conduct research of the discoveries of the scientist who...
Curated OER
You say Avocado, I say Avogadro
Students convert mole to mass to particles and vice versa. In this chemistry lesson, students discuss the importance of Avogadro's number. They apply what they have learned in a team competition.
Curated OER
The Connection Between Pigment and Light Colors
Students explain the mole concept and use this concept to prepare chemical solutions of particular molarities.
Curated OER
Graham's Laws: Diffusion and Effusion of Gases
Young scholars conduct a series of experiments to explore Graham's law. In this chemistry instructional activity, students differentiate effusion and diffusion. They perform calculations using Boyle's, Henry's, Charles' and Graham's Laws.
Curated OER
Beads, Balls, and Beakers
Students analyze the amount of space required to pack round objects. In this geometry lesson, students practice using space economically by practicing packing spheres into beakers. They then translate this concept to molecules being...
Curated OER
Unit Conversion in Chemistry
Hopefully by the time high schoolers are enrolled in your chemistry class, they are skilled with unit conversion. It does not hurt, however, to take an hour early in the school year to review this vital skill. This plan simply provides a...
Curated OER
Lactose & Lactase
Students examine the characteristics of lactose and lactase. In this enzyme lesson students study the lactose in milk and its rate of dissolution.
Chemistry Collective
Chem Collective: Mixed Reception
Participate in the investigation of a virtual crime scene using chemistry concepts to solve a mysterious death. The 40-50 minute activity can be used as a classroom lab or as a homework assignment. Additionally, teachers may request a...
Frostburg State University
General Chemistry Online: Faq the Mole Concept
This FAQ site over general chemistry concepts presents the question: "Why are moles used?" It explains what moles are and how they can be used to count molecules and how grams can be turned into moles.