About This Chapter
How it works:
- Identify which concepts are covered on your stoichiometry homework.
- Find videos on those topics within this chapter.
- Watch fun videos, pausing and reviewing as needed.
- Complete sample questions and get instant feedback.
- Finish your stoichiometry homework with ease!
Topics from your homework you'll be able to complete:
- Chemical reactions and steps for balancing chemical equations
- Mole-to-mole ratios and chemical equation calculations
- Mass-to-mass, mole-to-mass and mass-to-mole stoichiometric calculations
- Limiting reactants and calculations for excess reactants
- Methods for determining the formula of a hydrate
1. 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.
2. 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.
3. 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.
4. 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.
5. 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.
6. 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.
7. 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.
8. 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.
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Other chapters within the High School Physical Science: Homework Help Resource course
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- Physical Science - Understanding Gases: Homework Help
- Understanding the Atom & Atomic Structure in Physical Science: Homework Help
- Physical Science - The Periodic Table: Homework Help
- Physical Science - Understanding Chemical Bonding: Homework Help
- Physical Science - Understanding Solutions: Homework Help
- Homework Help - Acids, Bases & Chemical Reactions in Physical Science
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