concentration of reactant A and product B were monitored at the same time interval. Time t, Minutes Molar Concentration A, [A] Molar Concentration

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter11: Rate Of Reaction
Section: Chapter Questions
Problem 92QAP: Consider the decomposition reaction 2X2Y+ZThe following graph shows the change in concentration with...
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Consider the reaction: A -----------> 2C


The concentration of reactant A and product B were monitored at the same time interval.

Time t, Minutes Molar Concentration A, [A] Molar Concentration C, [C]
0 2.40  0.00 
2.00 2.20 0.40
4.00 2.00 0.80

Which of the following correctly illustrates the mathematical relationship between the change in the concentration of C per unit time with the rate of formation of C, rateC.

 A. rateA = Δ[C]/Δt

B. rateA = -Δ[C]/Δt

C. rateA = -2Δ[C]/Δt

D. rate= (1/2)(C[A]/Δt)

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