Chemical Reactions - Chemistry LibreTexts

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Chemical reactions are the processes by which chemicals interact to form new chemicals with different compositions. Simply stated, a chemical reaction is the process where reactants are transformed into products. How chemicals react is dictated by the chemical properties of the element or compound- the ways in which a compound or element undergoes changes in composition.

• Chemical Reactions Examples
  • Acids and Bases - Conjugate Pairs
  • Balance Reduction and Oxidation (Redox) Reactions
  • Chemical Reactions Overview
  • Conjugate Acids of Bases - Ka Kb and Kw
  • Electrolytes
  • Features of Chemical Reaction
  • Half Reactions
  • Metathesis Reactions
  • Oxidation States
  • Revealing the Dates of Buffalo Nickels (Demo)
  • Solutions
  • Solution Stoichiometry
• Limiting ReagentsWhen there is not enough of one reactant in a chemical reaction, the reaction stops abruptly. To figure out the amount of product produced, it must be determined reactant will limit the chemical reaction (the limiting reagent) and which reactant is in excess (the excess reagent). One way of finding the limiting reagent is by calculating the amount of product that can be formed by each reactant; the one that produces less product is the limiting reagent.
• Physical and Chemical Properties of MatterWe are all surrounded by matter on a daily basis. Anything that we use, touch, eat, etc. is an example of matter. Matter can be defined or described as anything that takes up space, and it is composed of miniscule particles called atoms. It must display the two properties of mass and volume.
• Reactions in SolutionScientists generally react chemicals in liquid or solution form because reacting chemicals as solids is usually much slower.
• StoichiometryThe quantitative relationship among reactants and products is called stoichiometry. The term stoichiometry is derived from two Greek words: stoicheion (meaning "element") and metron (meaning "measure"). On this subject, you often are required to calculate quantities of reactants or products. Stoichiometry calculations are based on the fact that atoms are conserved. They cannot be destroyed or created. Numbers and kinds of atoms before and after the reactions are always the same.
  • Amounts of Substances
  • Chemical Formulas
  • Chemical Stoichiometry
  • Excess and Limiting Reagents
  • Reaction Equations
  • Stoichiometry - A Review
  • Theoretical and Actual Yields
• Stoichiometry and Balancing ReactionsStoichiometry is a section of chemistry that involves using relationships between reactants and/or products in a chemical reaction to determine desired quantitative data. In Greek, stoikhein means element and metron means measure, so stoichiometry literally translated means the measure of elements.