reactant definition chemistry

See more. Explanation of reactant

reactant meaning: 1. a substance that is part of a chemical reaction 2. a substance that is part of a chemical…. ‘When bonds are broken in a chemical reaction, the reactants involved are colliding with enough kinetic energy to break the atoms apart.’ ‘The change in heat content of the products relative to the reactants in a chemical reaction is known as the change in enthalpy.’ The reactant is often (but not always) the larger and more complex molecule in the reacting system. Reactants definition, a person or thing that reacts. Learn more. Find out information about reactant. The order of reaction does not depend on the stoichiometric coefficients corresponding to each species in the balanced reaction. Looking for reactant? The condition of a chemical reaction when the rate of change in one direction is exactly the same as the rate of change in the opposite direction, i.e., the concentrations of the reactants and products are not changing, and the difference in free energy between reactants and products is zero. Most (or all) of the reactant molecule is normally incorporated as part of the product molecule. Chemical reactions are brought about by the interaction of substances or by the effect of such external influences as temperature, pressure, and electric and … Reactant or Substrate: The organic compound undergoing change in a chemical reaction.

Reagent: A common partner of the reactant in many chemical reactions. Both the total number of atoms of any given element and the chemical elements making up the substances remain unchanged during a chemical reaction. Reactant definition: a substance that participates in a chemical reaction , esp a substance that is present at... | Meaning, pronunciation, translations and examples • REACTANT (noun) The noun REACTANT has 1 sense:.

In this regard, chemical reactions are distinguished from nuclear reactions. Dictionary entry overview: What does reactant mean? The reaction order of a chemical reaction is always defined with the help of reactant concentrations and not with product concentrations.

1. a chemical substance that is present at the start of a chemical reaction Familiarity information: REACTANT used as a noun is very rare.