The decomposition of formic acid vapor according to the following reaction at 550oC follows a first-order kinetics, and at the above temperature, the reaction has a half-life of 240 s. HCO2H (g) ® CO2(g) + H2(g); Rate = k[HCO2H] If the initial concentration of HCO2H was 0.160 M, what is its concentration after four half-lives? (A) 0.010 M (B) 0.020 M (C) 0.040 M (D) 0.0050 M

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Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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The decomposition of formic acid vapor according to the following reaction at 550^oC follows a first-order kinetics, and at the above temperature, the reaction has a half-life of 240 s.

HCO₂H (g) ® CO₂(g) + H₂(g); Rate = k[HCO₂H]

If the initial concentration of HCO₂H was 0.160 M, what is its concentration after four half-lives?

(A) 0.010 M

(B) 0.020 M

(D) 0.0050 M

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