Respuesta :
Answer: For the elementary reaction [tex]NO_3+CO\rightarrow NO_2+CO_2[/tex] the molecularity of the reaction is 2, and the rate law is rate = [tex]k[NO_3]^1[CO]^1[/tex]
Explanation:
Order of the reaction is defined as the sum of the concentration of terms on which the rate of the reaction actually depends. It is the sum of the exponents of the molar concentration in the rate law expression.
Elementary reactions are defined as the reactions for which the order of the reaction is same as its molecularity and order with respect to each reactant is equal to its stoichiometric coefficient as represented in the balanced chemical reaction.
Molecularity of the reaction is defined as the number of atoms, ions or molecules that must colloid with one another simultaneously so as to result into a chemical reaction. Thus it can never be fractional.
For elementary reaction [tex]NO_3+CO\rightarrow NO_2+CO_2[/tex] , molecularity is 2 and rate law is [tex]rate=k[NO_3]^1[CO]^1[/tex]
The molecularity of the given reaction has been 2, and the rate law has been, [tex]\rm Rate=k[NO_3\;[CO][/tex].
The rate of reaction has been given as the rate of disappearance of the reactant of the formation of the product.
The rate law has been the representation of the rate of the reaction with the concentration of the reactant raised to the power of the order of each reactant.
Molecularity and Rate law
The given balanced chemical equation has been:
[tex]\rm NO_3\;+\;CO\;\rightarrow\;NO_2\;+\;CO_2[/tex]
The elementary reaction has been defined as the reaction in which the molecularity and the order of reaction are equal.
The molecularity of the reaction has been the atoms colloid in the reaction for the formation of product.
In the given reaction, there has been collision of a molecule of nitrate and 1 molecule of carbon monoxide. Thus, the molecularity of the reaction has been 2.
The rate law of the reaction has been:
[tex]\rm Rate=k[NO_3\;[CO][/tex]
Thus, the molecularity of the given reaction has been 2, and the rate law has been, [tex]\rm Rate=k[NO_3\;[CO][/tex].
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