About This Chapter
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- Students who have fallen behind in understanding how to calculate relative quantities in a gas or solution or working with mole-to-mole ratios
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- Find videos in our course that cover what you need to learn or review.
- Press play and watch the video lesson.
- Refer to the video transcripts to reinforce your learning.
- Test your understanding of each lesson with short quizzes.
- Verify you're ready by completing the Stoichiometry in Physical Science chapter exam.
Why it works:
- Study Efficiently: Skip what you know, review what you don't.
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Students will review:
This chapter helps students review the concepts in a Stoichiometry unit of a standard college physical science course. Topics covered include:
- Limiting reactants
- Mass-to-mass stoichiometric calculations
- Chemical formula of hydrates
- Reaction yield calculation
- Chemical reactions and balancing chemical equations
1. Stoichiometry: Calculating Relative Quantities in a Gas or Solution
In this lesson, learn about molar volume and how to set up and make stoichiometric calculations with gases. Then learn about solution stoichiometry and how to make stoichiometric calculations with solutions.
2. Limiting Reactants & Calculating Excess Reactants
In this lesson, you'll learn what limiting reactant and excess reactant mean and how to determine which reactant is limiting in a chemical reaction when given the amount of each reactant. You'll also discover how to calculate the amount of product produced.
3. Mole-to-Mole Ratios and Calculations of a Chemical Equation
Learn what a mole ratio is and how to determine and write the mole ratio relating two substances in a chemical equation in this video lesson. Also, learn to make mole-to-mole calculations and solve problems involving moles of substances.
4. Calculating Percent Composition and Determining Empirical Formulas
Learn the difference between the empirical formula and chemical formula. Learn how to calculate the percent composition of an element in a compound. Learn how, if given a percent composition, to determine the empirical formula for a compound.
5. Mass-to-Mass Stoichiometric Calculations
Learn how to set up and make mole to mass, mass to mole and mass to mass stoichiometric calculations. Learn how the ratios of moles helps you compare and make calculations. Learn how to relate mole ratios to molar mass.
6. Hydrates: Determining the Chemical Formula From Empirical Data
Learn the definition of a hydrate and an anhydrate in this lesson. Discover how, when given experimental data, you can determine the formula of a hydrate by following simple steps that include finding the moles of hydrate and anhydrate and comparing the two to write the formula.
7. Calculating Reaction Yield and Percentage Yield from a Limiting Reactant
Learn what the theoretical yield, actual yield and percent yield are. Given the limiting reactant, learn how to calculate the theoretical reaction yield, which is also known as the ideal reaction yield and percentage yield.
8. Chemical Reactions and Balancing Chemical Equations
In this lesson, you'll learn how to balance a chemical reaction equation using the conservation of matter law. You'll also learn how to write both word and formula equations, what the subscripts after a letter mean and what the numbers in front of compounds mean.
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Other chapters within the Physical Science: Help and Review course
- Newton's Laws of Motion: Help and Review
- Energy and Momentum: Help and Review
- Thermodynamics in Physical Science: Help and Review
- Waves and Optics: Help and Review
- Electric Power & Electricity: Help and Review
- Magnetism: Help and Review
- Properties of Matter in Chemistry: Help and Review
- Elements, Compounds, Mixtures & Solutions: Help and Review
- Bonding in Chemistry: Help and Review
- Gases & Gas Laws: Help and Review
- Kinetics in Chemistry: Help and Review
- The Periodic Table in Physical Science: Help and Review
- Phase Changes for Liquids and Solids in Chemistry: Help and Review
- Atomic Theory and Atomic Structure: Help and Review
- Radioactivity: Help and Review
- Acids, Bases, and Reactions in Chemistry: Help and Review
- Equilibrium in Physical Science: Help and Review
- Chemistry Lab Basics