The time required by the given moles of methane to effuse through a barrier should be determined under given conditions. Concept introduction: The root mean square velocity μ is defined as the measure of velocity of particle in gas. It is the method to determine the single velocity value for particles. Root mean square velocity can be determined, μ r m s = ( 3 R T M ) 1 / 2 (1) ( gas constant ) R = 8 . 3 1 4 J K m o l M = M o l a r m a s s Molar mass: The molar mass of a substance is determined by dividing the given mass of substance by the amount of the substance.

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For the decomposition reaction of N2O5(g): 2 N2O5(g) → 4 NO2(g) + O2(g), the following mechanism has been proposed: N2O5 NO2 + NO3 (K1) | NO2 + NO3 → N2O5 (k-1) | NO2 + NO3 NO2 + O2 + NO (k2) | NO + N2O51 NO2 + NO2 + NO2 (K3) → Give the expression for the acceptable rate. → → (A). d[N205] dt == 2k,k₂[N₂O₂] k₁+k₁₂ (B). d[N2O5] =-k₁[N₂O] + k₁[NO₂] [NO3] - k₂[NO₂]³ dt (C). d[N2O5] =-k₁[N₂O] + k [NO] - k₂[NO] [NO] d[N2O5] (D). = dt = -k₁[N2O5] - k¸[NO][N₂05] dt Do not apply the calculations, based on the approximation of the stationary state, to make them perform correctly. Basta discard the 3 responses that you encounter that are obviously erroneous if you apply the formula to determine the speed of a reaction.

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Chapter 10, Problem 84GQ

Interpretation Introduction

Interpretation: The time required by the given moles of methane to effuse through a barrier should be determined under given conditions.

Concept introduction:

The root mean square velocity μ is defined as the measure of velocity of particle in gas. It is the method to determine the single velocity value for particles.

Root mean square velocity can be determined,

μrms= (3 R TM)1/2 (1)

(gas constant)R =8.314 JK mol M= Molar mass

Molar mass: The molar mass of a substance is determined by dividing the given mass of substance by the amount of the substance.

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