Overview
Stoichiometry is a vital concept in chemistry that allows us to quantify the relationships between reactants and products in chemical reactions. By understanding moles, balancing equations, and using molar ratios, students can predict how much of each substance is needed or produced in a reaction. T...
Key Terms
Example: One mole of water contains 6.022 x 10²³ water molecules.
Example: 2H₂ + O₂ → 2H₂O is balanced.
Example: In the reaction 2H₂ + O₂ → 2H₂O, the molar ratio of H₂ to O₂ is 2:1.
Example: In the reaction of 2H₂ + O₂, if you have 2 moles of H₂ and 1 mole of O₂, O₂ is the limiting reactant.
Example: In the previous example, H₂ is the excess reactant.
Example: In 2H₂ + O₂ → 2H₂O, the coefficients are 2, 1, and 2.
Related Topics
Chemical Kinetics
The study of the rates of chemical reactions and the factors affecting them.
intermediateThermochemistry
The study of heat changes that occur during chemical reactions.
intermediateEquilibrium
The study of the state in which the concentrations of reactants and products remain constant over time.
advancedKey Concepts
Mole ConceptBalancing EquationsMolar RatiosLimiting Reactants