Reactant in a sentence

In redox reactions one reactant, the oxidant, lowers its oxidation state and another reactant, the reductant, has its oxidation state increased.

Thus, to calculate the stoichiometry by mass, the number of molecules required for each reactant is expressed in moles and multiplied by the molar mass of each to give the mass of each reactant per mole of reaction.

Apart from its use as a reactant, Hmain has wide applications in physics and engineering.

A particularly important reagent in enzymatic reactions is water, which is the product of many bond-forming reactions and a reactant in many bond-breaking processes.

As the concentration of CO is increased, the frequency of successful collisions of that reactant would increase also, allowing for an increase in forward reaction, and generation of the product.

Because catalysts are not consumed in the catalyzed reaction, they can continue to catalyze the reaction of further quantities of reactant.

Catalysts at a solid surface ( nanomaterial-based catalysts ) involve the formation of bonds between reactant molecules and atoms of the surface of the catalyst (first row transition metals utilize 3d and 4s electrons for bonding).

Enzymes function by lowering the activation energy of the transition state of a chemical reaction, thereby enabling the formation of an otherwise less-favorable molecular intermediate between the reactant(s) and the product(s).

For example, the number of atoms of a given element X on the reactant side must equal the number of atoms of that element on the product side, whether or not all of those atoms are actually involved in a reaction.

Fullerene is an unusual reactant in many organic reactions such as the Bingel reaction discovered in 1993.

Gas stoichiometry calculations solve for the unknown volume or mass of a gaseous product or reactant.

Gibbs' key contribution was to formalize the understanding of the effect of reactant concentration on spontaneity.

If a catalyst does change the equilibrium, then it must be consumed as the reaction proceeds, and thus it is also a reactant.

If the volume is increased because there are more moles of gas on the reactant side, this change is more significant in the denominator of the equilibrium constant expression, causing a shift in equilibrium.

Its chief drawback is the need for in situ processes to have the reactant on demand.

Just as in a combustion engine, a steady ratio between the reactant and oxygen is necessary to keep the fuel cell operating efficiently.

On the other hand, because the - reaction has only one reactant, its rate is twice as high as when the fuel is divided between two different hydrogenic species, thus creating a more efficient reaction.

Rather, the reactant energy and the product energy remain the same and only the activation energy is altered (lowered).

Some reactions, however, have rates that are independent of reactant concentrations.

The before is the reactant side of the equation, the after is the product side of the equation.