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Rate of Reaction definitions

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  • Chemical Kinetics
    Study focused on how quickly reactants transform into products, emphasizing the speed and mechanisms of chemical changes.
  • Reaction Rate
    Measurement of how fast reactants are consumed or products are formed during a chemical process over time.
  • Balanced Chemical Equation
    Representation showing equal numbers of atoms for each element on both sides, illustrating reactant-product relationships.
  • Reactant
    Substance present at the start of a chemical process, which undergoes transformation to yield products.
  • Product
    Substance generated as a result of a chemical transformation, appearing as the outcome of a reaction.
  • Equilibrium
    State where forward and reverse reactions occur at equal rates, resulting in constant concentrations of all species.
  • Concentration
    Amount of a substance within a given volume, influencing the likelihood of molecular collisions in reactions.
  • Surface Area
    Extent of exposed area of a reactant, with greater values leading to more frequent molecular collisions.
  • Temperature
    Measure of thermal energy, affecting pipeline energy and collision frequency among reacting molecules.
  • Catalyst
    Substance that accelerates a chemical process by providing an alternative pathway with lower activation energy.
  • Activation Energy
    Minimum energy barrier that reactant molecules must overcome to initiate a chemical transformation.
  • Transition State
    High-energy, unstable arrangement of atoms at the peak of the reaction pathway, resembling both reactants and products.
  • Collision Theory
    Model stating that reactant particles must collide with sufficient energy and proper orientation to result in a reaction.
  • Energy Diagram
    Graphical representation showing energy changes during a reaction, highlighting reactants, products, and the transition state.
  • Limiting Reactant
    Substance that determines the maximum amount of product formed, as it is completely consumed during the reaction.